Practice Test


1) Homologous organs are:


2) Analogous organs are those which are:


3) One of the following is not a vestigial organ:


4) Biogenetic law was given by:


5) Vestigial organs are those:


6) The earliest age in the geological record is:


7) The carboniferous period during which amphibian flourished, occurred approximately:


8) The permian period, during which most modern orders of insects appeared, occurred approximately:


9) Macroevolution is the evolution of:


10) A structure, such as feather that evolved in one context and was then used for a completely new function is a:


11) Retention in an adult organism of juvenile features of its ancestor is known as:


12) The wings of a bird and the forelegs of horse are:


13) The pelvis and the leg bones of snake are:


14) The best test of the relatedness of the species is in the similarity of their:


15) George Cuvier realized that the history of life is recorded in fossils and believed that replace of one species by another is caused by:


16) Most fossils are found in:


17) Of all the living species that ever lived approximately how many have gone extinct?


18) For origin of life most important condition is:


19) The richest source of fossils is:


20) The fossil animals which show characters of two different groups of animals are called as:


21) The Haeckel's theory of recapitulation (Biogenetic Law) means that:


22) Who established the precipitation method of blood tests for finding out the inter-relationshhip among different animals:


23) The connecting link between chordates and non-chordates is:


24) Which of the following would be easily fossilized?


25) Which of the following is a living fossil?


26) Archaeozoic era is considered as age of:


27) Geologically one of the following eras is known as 'Age of Reptiles' or 'Golden age of Dinosaurs.'


28) Appearance of teeth in the embryos of birds is an example of:


29) Archaeopteryx is a missing line between:


30) Dinosaurs are extinct:


31) Some of the important evidences of organic evolution are:


32) Which of the following is not a vestigial organ in man?


33) Which of the following are the examples of analogous structures?


34) Blood groups A, B, AB and O occur in humans. The blood groups A and B are found in apes but not in monkeys. This suggests that:


35) Which one of the following are homologous?


36) Which of the following illustrates palaeontological evidence in favour of organic evolution?


37) Evolutionary changes occurring in distantly related organisms are classified as:


38) Which of the following are homologous?


39) Which of the following is an extinct animal?


40) A fossil is a:


41) Which of the following is vestigial organ in man?


42) Successful adaptation simply means:


43) The law of superposition is associated with:


44) How many million years is the age of oldest rock on earth?


45) Fossil of Archaeopteryx is place in:


46) Which of the following is most primitive mammal?


47) Birds of Galapagos island were named as Darwin's finches by:


48) Which one of the following groups are not analogous organs?


49) Haeckel's recapitulation theory was based on:


50) The dating of rocks is done by calculating the ratio between which of the following pairs in the igneous rocks associated with sedimentary rocks:


51) Which animals dominated in Palaeozoic era?


52) Which is supposed to be largest known fossils of reptile?


53) Analogous organs have a:


54) Birds evolved from:


55) Possession of venoms in animals is an attribute to:


56) First mammals occurred in which era period?


57) Appearance of ancestral characters in the new borns, such as tail, multiple mammae etc. are known as:


58) Correct sequence is:


59) A bird with teeth is:


60) The recapitulation of protozoan ancestry is seen in:


61) The term used for similarity in organ structure seen in great diversity is:


62) Homologous organs are those that show similarity in:


63) Which of the following is a connecting link?


64) Which set includes all vestigial structures of man?


65) Mesozoic era is the era of:


66) Most evident source of evolution is:


67) A scene of Jurassic period: Dinosaurs roaming in carboniferous forests, eating plants, killing each other and being eaten by lions and tigers. What is the catch?


68) Free caudal vertebrae occurred in fossil Archaeopteryx. The trait is:


69) Gondwana Land comprised:


70) Origin of different finches on Galapagos islands is an example of:


71) Related species of Alligators and Magnolias occur in:


72) Neoceratodus is a connecting link between:


73) Which of the following are connecting links?


74) Tachyglossus is a connecting link between:


75) Why do we dig fossils and study them?


76) Which one of the following is used for dating archaeological specimens in wood, bones and shells?


77) Physiological evidence in favour of evolution is demonstrated by:


78) Being all mammals, whale, dolphin, bat, monkey and horse have some important common characters but they also show conspicuous difference. This is due to the phenomenon of:


79) The Lederberg Replica-Plating experiment has proved in evolution, the role of:


80) Pliohippus arose in:


81) Amphibia first appeared in:


82) Dinosaurs were abundant in:


83) Which of the following statements is wrong?


84) Some insects, such as cockroach have biting and chewing mouth parts, housefly has sponging type of mouth parts, whereas a mosquito has piercing and sucking mouth parts. These various types of mouth parts are example of:


85) According to the geologic time-table, man belongs to:


86) For how many years have the dinosaurs been extinct?


87) When did the first forest appear?


88) The word 'Dinosaur' was invented by:


89) Which one of the following fossils represent a connecting link between evolution of mammal from reptiles?


90) Birbal Sahni Institute of Palaeobotany is located at:


91) Monera evolved during:


92) Age of trilobites is:


93) Epoch in which first man-like creatures evolved was:


94) What are the fossil contents of alimentary canals known as?


95) During fossilisation soft parts decompose and harder parts are impregnated with minerals and turn into stony shapes and are called:


96) The origin of first mammals occurred:


97) The term orthogenesis means:


98) The term orthogenesis was proposed by:


99) Oldest fossils of land animals consist of:


100) Age of mammals and birds is known as:


101) Which of the following were the dominant animals of Palaeozoic era?


102) Founder of modern palaeontology is:


103) Remains of woolly Mammoth found in permafrost of Siberia are:


104) Pompeii city got buried in lava of mount Vasurius during:


105) Compressions are a type of fossils having:


106) Fossil of Archaeopteryx were found from:


107) Birds are glorified reptile have been proved by the discovery of fossil which resembles bird and reptiles both:


108) What is the appearance of ancestral characters in an individual called?


109) Proteus anguinus is characterised by vestigial:


110) Flightless bird of Australia is:


111) An incompletely three chambered heart occurs in:


112) Sacculina shows:


113) Who proposed for the first time that developing animal embryo passes through stages resembling adults of its ancestors:


114) Replacement of original hard parts or even the soft tissues of the organisms by minerals is known as:


115) Stings develop from:


116) Cycas and Ginkgo are connecting links between:


117) Which one of the following animal has been extinct recently?


118) Analogous organs with similar external morphology are called:


119) Possession of accessory respiratory organ in Anabas is an example of:


120) How dinosaurs became extinct? There are many hypotheses. One mostly accepted is:


121) Find the odd man out:


122) The biggest and heaviest dinosaur was:


123) The first fossil bird found in the orcks of Jurassic period belong to genera:


124) In Birbal Sahni Institute of Palaeobotany in Lucknow, 3.2 billion year old rocks are kept which have fossils of:


125) The flowering plants originated in:


126) The study of the fossil plants is known as:


127) Point out the correct statement regarding the evolution of horse:


128) What is the recent example of mass extinction of organisms?


129) Plants which are naturally fast disappearing from the scene are:


130) Find the odd man out:


131) Which of the following rules state that organisms have a tendency towards increase in size during their evolution?


132) Different groups of plants (and also animals) have similar proteins. What is the type of evidence?


133) Who among the following postulated the theory that during development embryo adds, omits, modifies, condenses and accelerates certain events of phylogeny?


134) As per geological time scale, hominids evolved during:


135) From which of the following did the modern horse called Equus arise in the early Cenozoic era?


136) In human beings canine teeth are:


137) One of the following is taken as evidence of evolution. Which one?


138) Which of the following is not a volant (aerial) adaptation?


139) Which one of the following evolved during Pliocene epoch?


140) Radioactive carbon method was introduced by:


141) Which one of the following answers molecular homology?


142) Which one of the following animals exhibits connecting link in evoltuion between amphibia and reptiles?


143) Mammals evolved from therapsid reptiles in Triassic period. The type of skull in these reptiles is:


144) Trilobite is an extinct:


145) Scientists of Birbal Sahni Institute, Lucknow have discovered 260 million years old coal forming fossils in:


146) In general, in the developmental history of mammalian heart. It is observed that it passes through a two-chambered fish like heart, three chambered frog-like heart and finally four chambered stage to which hypothesis can this above called cited statement be approximated:


147) Modern theory of organic evolution is based on:


148) Nature has provided the organisms the ability to produce at high rate. What is its opposing force?


149) The material for organic evolution is:


150) Phylogeny tells about:


151) Trilobites were more common in the period:


152) The wings of an insect and a bat exhibit:


153) Which of the following includes all homologous organs?


154) From a group of similar mammals some have adapted for running, flying and swimming etc. This is an example of:


155) Long snout, claws curved backwards and small eyes are characteristics of:


156) Fossils of prokaryotic and eukaryotic cells were first discovered in rocks of:


157) Animals of cold countries have shorter ears. This is:


158) Dinosaurs appeared after which era:


159) Presence of gill slits in the embryos of all vertebrates supports the theory of:


160) Which era is dubbed as the age of prokaryotic microbes:


161) Ostracoderms were the first jawless, finless fishes which represented the first vertebrates in the:


162) Mesozoic is the:


163) "A scientist cut the tail of mouse for many generations but their young ones have the tail". This condition disproved which of the following theories:


164) Which is the most evident proof of evolution?


165) Two geographical regions separated by high mountains are:


166) The earliest fossil form in the phylogeny of horse is:


167) Which one provides direct and solid evidence in favour of organic evolution through ages?


168) Fossil remains of Archaeopteryx indicates that:


169) Which animals has become extinct recently?


170) Angiosperms flourished during:


171) Carboniferous period of coal deposition was:


172) Dinosaurs disappeared during:


173) Fossilisation is:


174) Adaptive similarities in animals of the same habitat constitute:


175) Homologous organs show:


176) Which one is not vestigial in humans?


177) Coal has been mainly formed by:


178) Darwin's finches provide evidence of evolution from:


179) Vestigial pelvic girdle and bone remnants of hind limbs are characteristic of:


180) Monkeys and some lower groups have certain blood groups which are:


181) Heart is four chambered in:


182) Living organism with oldest fossil history is:


183) Homologous organs are:


184) Occurrence of endemic species in South America and Australia is due to:


185) Similarities in organisms with different genotype indicates:


186) Convergent evolution is illustrated by:


187) Which one of the following is categorized under living fossils?


188) In which branch we study about remains of plant life?


189) Flippers of seal are modified:


190) A baby was born with a small tail. It is a case of exihibiting:


191) Age of fossils in the past was determined by radioactive carbon method and other methods involving radioactive elements found in the rocks. More precise methods, which were used recently and led to the revision of evolutionary periods from different groups of organisms:


192) Potato and sweet potato have edible parts which are:


193) Which of the following is not vestigial organ in humans?


194) Which of these pairs is vestigial?


195) Using imprints from a plate with complete medium and carrying bacterial colonies, you can select streptomycin resistant mutants and prove that such mutations do not originate as adaptation. These imprints need to be used:


196) Which of the following is the relatively most accurate method for dating of fossils?


197) Evolutionary history of an organism is known as:


198) Which one of the following is not a living fossil?


199) An important evidence in favour of organic evolution is the occurrence of:


200) The age of fossils or dating of fossils can be beat estimated by:


201) The example which best explain the atavism is:


202) Which of the following gives the correct evidence from connecting link?


203) Jurassic period of the Mesozoic era is characterised by:


204) Which one of the following statement is correct?


205) The Finches of Galapogas islands provide an evidence in favour of:


206) When two species of different genealogy come to resemeble each other as a result of adaptation, the phenomenon is termed:


207) Myrmecobius and Myrmecophaga are closely related and have similar adaptations for the same habitat. This phenomenon is:


208) Mark the wrong match:


209) Which of the statement is incorrect w. r. t. palaeontology?


210) Four fingers and one splint bone in fore-foot; three toes and two splint in hind foot is the characteristics of:


211) Set which includes only analogous organs is:


212) Which have not left any evidences of organic evolution?


213) Example of analogous organs is:


214) Which extinct animal shows evidences of evolution?


215) Two organs which are similar in structure and origin, but not necessarily in function are called:


216) Man evolved in:


217) A connecting link between reptiles and birds is:


218) Wings of Mosquito, Bat and Bird show evolution called:


219) The evolution is studied in per unit of:


220) Rule of embryonic development was given by:


221) The greatest evolutionary change enabling the land vertebrates to be completely free from water, was the development of:


222) Birbal Sahni worked on:


223) Dinosaurs gave rise to:


224) Study of fossils comes under:


225) In human beings vestigial organs are:


226) Rabbit can move its external ears but man cannot. This is because:


227) Grazing mammals and grasslands evolved side by side during which period:


228) Organic evolution means


229) What is evolution?


230) Diversity of living organisms is due to


231) Which one of the following scientists is not related with organic evolution?


232) Darwin's finches provide an excellent evidence in favour of evolution. This evidence comes from the field of


233) Darwin saw that populations of Galapagos finches


234) Darwin's finches represent


235) The classical example of adaptive radiation in development of new species is


236) Two zoogeographical regions separated by high mountain ranges are


237) Parallelism is adaptive


238) Tasmanian wolf is a marsupial while wolf is a placental mammal. This shows


239) Egg laying mammals and marsupials are found in Australia and nowhere else. This indicates


240) The organs of different species that are related to each other through common descent though become functionally different are called


241) The organs which look different but have the same basic structure and origin are known as


242) Homology does not refer to


243) Which is incorrect?


244) Which group includes homologous organs?


245) Which of the following are homologous organs?


246) Which one of the following pairs has homologous organs?


247) Thorn of Bougainvillea and tendril of Cucurbita are examples of


248) Although all mammals whale, dolphin, bat, monkey and horse have some important common characters, but they also show conspicuous differences. This is due to the phenomenon of


249) The evidence for the origin of birds from reptiles is the presence in them of


250) Which of the following are homologous organs?


251) Hand of man, wing of bat and flipper of seal represent


252) Flippers of seal are modified


253) Analogous structures are


254) Which of the following are analogous organs?


255) Which pair of organs are analogous in nature?


256) Which of the following pairs is correct?


257) Which of the following are not analogous organs?


258) Eyes of an Octopus and mammals appear quite similar, but these are different in their basic structure and origin heave they are


259) Convergent evolution of two species is associated with


260) Evolutionary convergence in the development of


261) Convergent evolution is shown by


262) Examples of vestigial organs in the human body are


263) Which is a set of evidence of evolution?


264) Peripatus is a connecting link between


265) Fossil remains of Archaeopteryx indicates that


266) Atavism in man means


267) Which of the following is not an atavistic character?


268) A baby has been born with a small tail. It is case exhibiting


269) Appearance of profuse hairs on the body and face of iris dog-man is an example of


270) Evolutionary history of a group of organisms is called


271) Which of the following statement is false?
I. The rules of embryonic development were given by Von Baer.
II. Recapitulation theory was proposed by Haeckel.
III. Haeckel's theory of recapitulation states that ontogeny repeats phylogeny.
IV. Ontogeny recapitulates phylogeny is the brief definition of Bio-genetic law.


272) Presence of gills in the tadpole of frog indicates that


273) All organisms share the same genetic code. This supports that


274) The most direct evidence of organic evolution is


275) Fossil evidence of evolution is called


276) Fossils are studied for


277) Fossilization would occur when flora and fauna are buried by


278) Birbal Sahni was a


279) The fossils are preserved in


280) What conclusion is drawn about stratification of a fossil?


281) Fossil X is older than fossil Y because


282) The type of fossil where hard parts like bones, teeth or trunk of trees are preserved


283) The material used in determining the age of a fossil is


284) Carbon dating is best suited for determining the age of fossils if their age in years is of the order of


285) Age of fossils in the past was generally determined by radio-carbon method and other methods involving radioactive elements found in the rocks. More precise methods, which were used recently and led to the revision of the evolutionary periods for different groups of organisms includes


286) Which of the following is the relatively most accurate method for dating of fossils?


287) Correct order is


288) As evident from fossil records which era had no life?


289) The greatest evolutionary change enabling the land vertebrates to be completely free from water was the development of


290) Mesozoic era is the age of


291) In which of the following periods dinosaurs were maximum developed?


292) Dinosaurs became extinct during


293) Which era could be called "age of mammals and birds"?


294) The first mammal appeared in


295) Which of the following is the correct order of evolution?


296) The pioneers in the field of 'organic evolution' are


297) The first attempt to solve the problem of mechanism of organic evolution was made by


298) The book "Philosophic Zoologique" was written by


299) The theory of use and disuse of organs was given by


300) "Theory of Continuity of Germplasm" was propounded by


301) Weismann cut off tails of mice generation after generation but tails neither disappeared nor shortened showing that


302) According to Lamarckism, long necked giraffes evolved because


303) Which of the following evidence does not favour the Lamarckian concept of inheritance of acquired characters?


304) Natural selection theory was proposed by Darwin along with


305) Darwin traveled in which ship?


306) Darwin proposed that new species evolve from ancestral forms by the


307) Which of the following is not a part of Darwin's theory of evolution?


308) Survival of fittest is possible due to


309) The idea of "Survival of Fittest" was originally introduced by


310) The theory of natural selection of Darwin


311) Darwin was influenced by reading the essays of


312) The concept that 'population tends to increase geometrically while food supply increases arithmetically' was put forwarded by


313) Which of the following was NOT part of Darwin's explanation of natural selection?


314) Who wrote the book "The Origin of Species"?


315) The book "The Origin of Species" was published in


316) One of the several objections to natural selection theory of Darwin is


317) In which case is Darwin's theory wrong?


318) Which one provides correct sequence of events in origin of species according to Darwinism?
1. Natural selection
2. Variations and their inheritance
3. Survival of fittest
4. Struggle for existence


319) Diversity in the types of beaks of finches adapted to different feeding habits on the Galapagos Islands, as observed by Darwin provides evidence for


320) Prodigality of reproduction in Darwinism refers to


321) 'Theory of pangenesis' was proposed by


322) Which of the following could not be explained by the 'Darwin's Natural Selection Theory'?


323) Which one of the following phenomena supports Darwin's concept of natural selection in organic evolution?


324) Hugo de Vries theory of mutation


325) Hugo de Vries pioneered the theory of mutations to explain the mechanism of evolution material on which he had experimented was


326) Hugo de Vries gave his mutation theory on organic evolution while working on


327) The most accepted and recent theory of organic evolution is


328) 'Modern synthetic theory of evolution' is the result of


329) Modern theory of organic evolution is based on


330) The modern synthetic theory of evolution is based on


331) Discovery of which of the following in 1980 predicated the existence of RNA world during early stage in evolution?


332) Which of the following natural process is likely to hasten organic evolution?


333) Each of us is part of the ongoing evolution of the species. Which of the following occurrences would have the greatest impact on the future biological evolution of the human population?


334) A mutation is most likely to have a selective advantage in evolution if


335) In Lederberg's replica experiment what shall be used to obtain streptomycin resistant strain?


336) Some bacteria are able to grow in streptomycin containing medium due to


337) Using imprints from a plate with complete medium and carrying bacterial colonies, you can select streptomycin resistant mutants and prove that such mutations do not originate as adaptation. These imprints need to be used


338) Sum of all the genes in a population is called


339) At a particular locus, frequency of 'A' allele is 0.6 and that of 'a' is 0.4. What would be the frequency of heterozygotes in a random mating population at equilibria?


340) Genetic drift operates in


341) Genetic drift/Sewell wright effect is a __________ process


342) In terms of gene frequencies, founder effect result in


343) The unit of natural selection is


344) In natural selection


345) Natural selection is sometimes described as "survival of the fittest". Which of the following most accurately measures an organism's fitness?


346) In a population of frogs which would be considered the fittest?


347) Which of the following is correct?


348) Directional selection


349) Disruptive selection


350) Birds with average-sized wings survived in a severe storm more successfully than with longer or shorter wings. It illustrates


351) In a population where competition between individuals is severe then the distribution is said to be


352) Directional selection favours


353) Adaptation of a species is its


354) Adaptations


355) Industrial melanism is related to


356) The process of ________ and _________ generate variation and _________ produces adaptation to the environment


357) The phenomenon of "Industrial melanism" demonstrates


358) The change of lighter coloured variety of peppered moth, Biston betularia, to its darker variety (carbonaria) is due to


359) Some organisms escape detection from enemies by resembling other organisms


360) Cause of mimicry is


361) The origin of species from pre-existing species is


362) Which of the following must take place for speciation to occur?


363) A definition of the term "Species" based on reproduction has distinct limitations, which include its being


364) Species is


365) Geographic and reproductive isolations are most closely associated with


366) Which is basis of evolution?


367) The organisms separated by geographical barriers are termed


368) Which is not applicable to the Biological species concept?


369) The concept of "biological species" was proposed by


370) Sympatric speciation is


371) Jurassic period of the mesozoic era is characterized by


372) Arrange the periods of palaeozoic era in ascending order in a geographical time scale


373) Presence of recessive trait is 16%. The frequency of dominant allele in population is


374) The two key concepts of Darwinism Theory of Evolution are


375) Change in gene structure changes the trait it represents. The theory about formation of new species with the help of such changes is


376) The study of ancient life, mainly carried out by means of fossils is


377) Doctrine of evolution, i.e. 'Descent with modification', is concerned with


378) England in 1850s, i.e., before industrialization set in, it was observed that there were more white-winged
moths on trees than dark-winged or melanised moths.
However, in the collection carried out from the same area, but after industrialization, i.e., in 1920, there
were more dark-winged moths in the same area, i.e., the proportion was reversed
Predict the possible reason for such change


379) In a given population, the …A… of occurrence of alleles of a gene is supposed to remain …B… and even
remain the same through generations. Hardy-Weinberg principle stated it using …C… equation
Choose the correct option for A, B and C to complete the given NCERT statement


380) Which of the following provides most evident proof of evolution?


381) Which set includes only analogous organs?


382) Study of fossils is called


383) Hugo de Vries’s experimental organism was


384) A biologist is trying to infer how five closely related species of snakes are related to one another. She
noticed that some of the snakes have forked tongues and others do not. Which of the following would help
her to distinguish their ancestral state?


385) Origin of life occurred in


386) Theory of natural selection was given by


387) What’s the difference between natural selection and sexual selection?


388) What do homologous organs indicates?


389) Proteins found in the blood of man and ape are similar. This is an example of


390) According to the Neo-Darwinian theory, which of the following is responsible for the origin of new
species?


391) ‘Continuity of germplasm’ theory was given by


392) Select the wrong pair


393) Divergent evolution gives rise to


394) The greatest evolutionary change enabling the land vertebrates to be completely free from the water.
Habitat was the development of


395) Which of the following is not an examples of adaptive radiation?


396) Pasteur and Koch are related to


397) Some persons can move their pinnae. This ability is imparted by


398) Darwin judged the fitness of an individual by


399) Why the genetic variation is important from an evolutionary standpoint/


400) ‘XX’ lived 100000-40000 years ago, in Europe, Asia and Africa. ‘XX’ was short stature, hairy eyebrows,
sctreating forehead and large jaws. Identify ‘XX’


401) Who discarded the theory of spontaneous generation forever?


402) Saltation stands for


403) Which of the following statement is true regarding the theory of natural selection?


404) ′ Ontogeny Recapitulates Phylogeny' is narrated in which of the evidences for organic evolution?


405) In the developmental history of mammalian heart, it is observed that it passes through a two-chambered
fish-like heart, three-chambered frog-like heart and finally four-chambered stage. To which hypothesis can
the above cited statement be approximated?


406) Which of the following statements is correct?


407) ‘Hot dilute soup’ was given by


408) Vestigial organ in human being is


409) Darwinian ‘natural selection’ of evolution was inspired by


410) Evolutionary changes does not come about at the level of individual but at the level of


411) Which of the following statements are wrong?
I. Thomas Malthus is well known for his book on population
II. The work of Thomas Malthus on population did not influence Darwin
III. There must be a genetic basic for getting selected and to evolve
IV. All the finches on the Galapagos islands are descended from a common ancestor
Choose the correct option


412) Which of the following animal extinct recently?


413) Evolutionary biology is


414) Maximum cranial capacity is of


415) In pleistocene epoch, the ancestor of horse is


416) Which group is evolutionary modern?


417) The Mesozoic era is also called as the golden age of the


418) In human beings, vestigial organs are


419) Which one of the following is the most primitive ancestor of man?


420) First land plants (psilophyte) were originated in


421) Earliest fossil ape prior to the ape man was


422) Arrange the following events of modern concept of evolution sequentially
I. Genetic variations in population
II. Natural selection
III. Heredity
IV. Isolation
V. Speciation
The correct option is


423) Human beings belongs to the family-Hominidae which evolved about 24 million years ago. The relative
family-Pongidae includes


424) The main point of Darwin’s theory is


425) Which of the set represents vestigial organs?


426) Connecting link between Annelida and Mollusca is


427) Which of the following examples supports Lamarckism?


428) Darwin’s finches represents


429) Which of the following evidences does not favour the Lamarckian concept of inheritance of acquired
characters?


430) Oparin and Haldane’s theory is also called


431) A microsphere is a …A… collection of organic macromolecules with double layered outer boundary. The
term microsphere was given by …B…
Complete the given statement by choosing correct options for A and B with reference to NCERT textbook


432) Which is not true of Archeopteryx ?


433) The sequence of origin of life could be


434) Australian marsupials are the example of


435) Which of the following in birds indicates their reptilian ancestry?


436) Big-Bang theory attempts to explain the origin of


437) Life cannot originate from inorganic materials now because of


438) The first life on the earth was developed through


439) Which compound has very important role in prebiotic evolution?


440) Origin of life as a result of chemical evolution was properly explained by
I. Fox II. Oparin
III. Wateson IV. Haeckel
V. Mendel VI. Crick
Choose the correct option


441) Name given to fossil hominid of Shivalik hills in India is


442) Which of the following statements are correct?
I. Bird originated 150 million years ago
II. Mammals originated 200 million years ago
III. Multicellular organisms 1 billion years ago
The correct combination is


443) Hardy-Weinberg described the frequency of …A… for an entire …B… .
Choose the correct option for A and B to complete the given NCERT statement


444) The modern man differs from the apes in


445) What did Miller obtained from his experiment?


446) A study of fossils in different sedimentary layers indicates


447) Development of similar adaptive functional structural features in an unrelated group of organism is called


448) Organic evolution is also called


449) The present concept of evolution is known as


450) Scientist who also came to the similar conclusions around the same time of Charles Darwin was


451) Giant dinosaurs and reptiles predominated during the Jurassic period. This period was also marked the
evolution of higher insects and angiosperms, conifers, cycads, etc. Jurassic period belongs to …….. era
Complete the given statement by choosing an appropriate option


452) Weismann cut off tails of mice generation after generation but tails neither disappeared nor shortened
showing that


453) The pioneers in the field of organic evolutions are


454) In the animals, the same structures developed along the different directions due to the adaptations to
different needs. This is called


455) Large size of pinnae in animals of warm region in comparison to animal of cold region is due to


456) The gases condensed under …A… and formed the galaxies of the present day universe. In the solar system
of the milky way galaxy, earth was supposed to have been formed about …B… back. There was no
atmosphere …C… on the earth. Water vapour, …D… carbon dioxide and ammonia released from molten
mass covered the surface.
Choose the correct option for A, B, C and D to complete the given paragraph with reference to NCERT
textbook


457) Which species of human ancestor was named lucy?


458) The Neanderthal man with a brain size …A… cc lived in near …B… between …C… to …D… years back. The
correct choices for A, B, C and D are


459) What kind of evidence suggested that man is more closely related with chimpanzee than with other
hominoid apes?


460) The first non-cellular form of life could have originated


461) The idea that the life originates from pre-existing life is referred as


462) ‘Darwin natural selection theory’ could not explain


463) First autotrophs on the primitive earth was/were


464) According to the Darwin’s theory of evolution, differences between the species occurs due to


465) A change in the relative abundance of an allele (the allelic frquency) within a population, over a succession
of generations is called


466) Gradual accumulation of adaptation of changing environment leads to the origin of


467) Which of the following statement is the most appropriate one in an evolutionary sense?


468) Microbial experiments show that …A… advantageous …B… when selected will result in observation of new
phenotypes. Over few generations, this would result in …C… . Natural selection is a process in which …D…
variations enabling better survival are enabled to reproduce and leave greater number of progeny
Choose the correct option for A, B, C and D to complete the given NCERT statement


469) The force responsible for fixing in population of neutral characteristics is


470) Mutation is more common when it is present in


471) Choose the correct statements
I. Law of embryonic development was given by Von Baer
II. Recapitulation theory was proposed by Haeckel
III. Haeckel theory states that ‘Ontogeny repeats phylogeny’
IV. Haeckel theory and biogenetic law were proposed by the same person
The correct combination is


472) ‘Every cell of the body contributes gemmules to the germ cells and so shares in the transmission of
inherited characters’, this theory is known as


473) Synthetic theory of evolution was developed by


474) Natural indicator of industrial pollution is


475) Lamarckism cannot explain


476) Arrange the periods of Palaeozoic era in ascending order in a geological time scale.


477) What is common to whale, seal and shark?


478) Give the name of the first organism who invaded land


479) Hardy-Weinberg principle can be expressed as


480) Speciation is the evolutionary process by which


481) First human like hominid is known as


482) ‘Darwin’s finches’ refers to


483) Age of fossils in the past was generally determined by radio-carbon method and other methods involving radioactive elements found in the rocks. More precise methods, which were used recently and led to the revision of the evolutionary period for different groups of organisms, include


484) Which of the following is not vestigial in man?


485) Survival of the fittest is possible due to


486) Which of the following branch of biology helps in to know the existence of coal?


487) Which of the following factor is most likely to decrease the genetic diversity in a population?


488) The first cellular form of life could have originated


489) Origin of life as a result of chemical evolution has been properly explained by or the most logical
biochemical theory of origin of life has been given by


490) The structural similarities between the flippers of whales and the arms of human are used to show that


491) Fossil X is older than fossil Y if


492) I. Oparin’s theory of origin of life is based on …A…
II. Chemical theory of origin of life was given by …B…
Choose the correct option for A and B to complete the statements I and II


493) The concept of natural selection in evolution was proposed by


494) Which of the following is not a correct pair?


495) S L Miller’s closed flask contained


496) The primate, which existed 15 million years ago, among these was


497) Which type of growth living organism undergoes?


498) What was the most significant trend in the evolution of modern man (Homo sapiens) from his ancestors?


499) For a long time it was believed that life came out of decaying and rotting matter like straw mud, etc.
This was the theory of


500) In which of the following era first mammal like reptile originated?


501) In the theory of evolution, Lamarck explained
I. internal vital force
II. effect of environment on organisms
III. inheritance of acquired characters
IV. use and disuse of organs
Choose the correct combination


502) Evolutionary development of a species can be studied by


503) Phenomenon of industrial melanism demonstrates


504) Darwin’s book ‘Origin of New Species by Natural Selection’ was published in


505) What is the difference between genetic drift and changes drift to the natural selection?


506) Homo sapiens were arose during


507) Which phenomena confined the pouched mammals of Australia survived because of lack of competition
from any other mammals?


508) Which of the following animals is not only a living fossil but also considered as connecting link?


509) Fossils of Homo erectus was found in


510) Which of the following is a unit of natural selection?


511) Industrial melanism is an example of


512) Stanley Miller proposed origin of life by


513) Anthropoids were evolved into


514) Hardy –Weinberg equilibrium is known to be affected by gene flow, genetic drift, mutation, genetic
recombination and


515) Struggle for existence and survival of the fittest theories were given by


516) Theory of continuity of germplasm was given by


517) The process by which different type of finches were evolved in Galapagos islands is


518) An evolutionary process, giving rise to new species adapting to new habitat and ways of life is called


519) Natural selection is a process in which …A… variations enables better survival and ability to …B… and
leave …C… number of progeny
Choose the correct options for A, B and C to complete the given NCERT statement


520) Which of the follows have not left any evidence of organic evolution?


521) Biological concept of species was given by


522) Somatic cells of gorilla, chimpanzee and orangutan have


523) Natural selection
I. tends to increase its characters that enhances survival and reproduction
II. causes adaptation
III. acts on organism phenotype
IV. mechanism of evolution explained by Darwin
Which of the following statements are correct?


524) Darwinian fitness can be estimated by


525) The first life on earth consists of


526) Factor affecting the process of speciation are
I. Mutation
II. Recombination
III. Natural selection
IV. Hybridisation
V. Genetic drift
VI. Polyploid
VII. Isolation
Choose the correct combination


527) Blood groups-A and B are found in


528) An organism which is the connecting link between the animals and plants is


529) ……… organs shows adaptive radiation.
Complete the given statement with an appropriate option given below


530) Identify the phenomenon in which a new set of population is formed the set of existing population due to
the excessive change in the allele frequency


531) Age of gymnosperm is


532) Which of the following example of variation is not important from an evolutionary standpoint?


533) Organs which are anatomically different, but performs similar functions are called


534) Coacervates are


535) The primates nearest to humans in the evolutionary line is


536) Primitive man was originated during


537) Survival of the fittest is the basic principle of a competition. Its importance in organic evolution was
explained by


538) Which of the following is an example of an ancestral homology?


539) Swan-necked flask experiment proved


540) Industrial melanism was highlighted by


541) de Vries gave his mutation theory on organic evolution, while working on


542) Which of the following statement is correct regarding the evolution of humans?
I. The skull of adult chimpanzee is more like adult human skull than baby chimpanzee skull
II. The skull of baby chimpanzee is more like adult human than adult chimpanzee skull
III. Dryopithecus is oldest human like fossil
IV. Dryopithecus found in Miocene rock of Africa and Europe
The correct option is


543) Select the correct statement from the given options


544) Human arm is homologous to


545) Lamarck’s theory of evolution is also known as


546) Which fossil man has been known from Shivalik hills in India?


547) The crosspterygian fish ′Latimaria ′ is considered as the ancestor of terrestrial tetrapods. During which
period these fishes evolved into Amphibians?


548) Australopithecus is also called


549) According to de Vries theory, evolution is


550) Which is a unit of evolution?


551) Primates which existed about 15 million years ago were
I. Dryopithecus
II. Homo habilis
III. Ramapithecus
IV. Australopithecus
V. Homo erectus
VI. Neanderthal man
Choose the correct option


552) The Coenozoic era is often designated as


553) When and who wrote the book. The origin of species ?


554) Spontaneous generation theory was given by


555) What is the relationship between the wing of a bird and the wing of a bat?


556) Homo erectus lived about


557) The concept of chemical evolution is based on


558) The stage next to Homo habilis was


559) What was the name of the sail ship used by Charles Darwin during the sea Voyage?


560) In which era, life was absent?


561) The first cell like structure was appeared in


562) Synthesis of amino acids to prove that amino acids were formed in primitive ocean was experimentally
proved by


563) Separate the following into homologous and analogous organs
I. Sweet potato
II. Potato
III. Filippers of penguins and dolphins
IV. Hearts of different vertebrate
V. Forelimbs of whales, bat and cheetah
The correct option is


564) Echidna and Ornithorhynchus are the connecting links between


565) Which one of the following is incorrect about the characteristics of protobionts (coacervates and
microspheres) as envisaged in the abiogenic origin of life?


566) Find out wrong statement about Homo habilis
I. Also called able or skilful man
II. Also called tool marker
III. Fossil discovered from fast Africa
IV. 500 cc
V. Have teeth likes modern man
VI. Lined 2 million years ago
The correct choice is


567) I. Random selection
II. Convergent evolution
III. Genetic drift
IV. Divergent evolution
Choose the correct option for Sewell’s effect from above option


568) Information molecule to get evolved first on the primitive earth was


569) The first mammals were like …A… . Their fossils are small sized. Mammals were …B… and protected their unborn young inside the mother’s body
Choose the correct option for A and B to complete the given NCERT statement


570) Ontogeny recapitulates phylogeny, this theory is called as


571) Present concept of evolution is the result of the work by number of scientists
I. T Dobzhansky II. RA Fisher
III. JBS Haldane IV. Charles Darwin
V. Sewall Wright VI. Ernst Mayer
VII. Hugo de Vries VIII. GL Stebbins IX. Lamarck
The scientists who contributed to the present concept of evolution are


572) What is the supportive evidence for evolution from comparative embryology?


573) Homo erectus had large brain around …A… cc. Homo erectus was probably …B… . Here A and B refers to


574) In plants like Acacia , the leaves are compound but their seedlings possess simple leaves. This
phenomenon can be explained by


575) Australopithecus has been given the nick name Lucy by


576) Which of the following is not an example of evolutionary change?


577) Darwin travelled in which of the following ship?


578) Flippers of seal are


579) The cranial capacity of Peking man was about


580) Resistant varieties evolved in much lesser time because of


581) Which of the following features are true for stabilizing type of natural selection?


582) Homologous organs indicate the


583) Evolutionary convergence is the development of


584) Which of the following is a pair of analogous organs?


585) First evidence of ceremonial burial of dead body and belief in religion have been found with fossil of


586) Which of the given pairs are correct
I. Wings of insects and birds are homologous organ
II. Wings of bats and bird are homologous organ
III. Wings of insect and bats are analogous
IV. Wings of insect and bird are analogous
Choose the correct option


587) In a random mating population in equilibrium, which of the following brings about a change in gene
frequency in non-directional manner?


588) The theory of pangenesis was rejected due to the acceptance of


589) There was no life in


590) Why is the advent of reproductive isolation is important from an evolutionary standpoint


591) There are two opposing views about origin of Modern man. According to one view, Homo erectus in Asia
were the ancestors of modern man. A study of variations of DNA however suggested African origin of
modern man. What kind of observation on DNA variation could suggest this?


592) A population containing a gene ‘X’ with two alleles ‘Aa’ is in Hardy-Weinberg equilibrium for gene ‘X’. If the
gene frequency of allele ‘A’ is 0.2, allele frequency of ‘a’ is


593) Which of the following are the correct pair of homologous organs?
I. Hands of man and wings of bat
II. Wings of bat and wings of cockroach
III. Wings of bird and wings of butterfly
IV. Fins of fish and forelimbs of horse
V. Forearm of human and forelimbs of horse
The correct combination is visible in option


594) Which of the following presumably possesses a cranial capacity larger than modern man?


595) Hardy-Weinberg principle is the


596) Which of the following statement is correct?


597) Genetic drift in also known as


598) Which of the following is the first vascular plant to be represented by an extinct group?


599) The concept that the species have changed over long period of time is known as


600) Choose the wrong statements
I. The essence of Darwinian theory about evolution can be seen in the phenomenon of natural selection
II. The rate of appearance of new forms is not linked to the evolution
III. Adaptive ability is a complete evolution
IV. Mutations are random and directionless
The correct option is


601) Connecting links are organism which shows characters of


602) The ratio of methane, ammonia and hydrogen in Stanley Miller’s experiment was


603) Proteinoids are


604) Evolutionary convergence is the development of


605) Random genetic drift in a population probably results from


606) Organs differ in origin but performing similar function


607) Homo sapiens were arose in


608) ‘PP’ is a type of selection that favours both small sized and large-sized individual. ‘PP’ eliminates most of
the members with mean expression, so as to produce two peak in the distribution of the tract that many
lead to the development of two different populations. Identify ‘PP’


609) Formation of simple and less elaborated forms from the more complex and specialized one is called


610) Natural selection means


611) Which of the following statements are correct?
I. Directional selection favours one extreme form over the other extreme and over intermediate forms of a
trait
II. Stabilising selection favours the intermediate forms of a trait
III. Disruptive selection favours both the extreme forms of a trait
IV. Fossils are the remnents of hard parts of life forms present in rocks
V. A study of fossils in different sedimentary layers indicates the geological period in which they live
VI. Radio isotopes are often used to determine the age of the fossils
VII. Study of fossils is called Palaeontology
VIII. Most fossils are found in sedimentary rocks
IX. The unit of evolution is population


612) Which one of the following features occurs in the direction of the evolution for human species?


613) The theory of random genetic drift was proposed by


614) How old is our universe?


615) Which of the following defines Hardy –Weinberg law?


616) Correct order of evolutionary scale is


617) The concept of inheritance of acquired character in support of evolution was proposed by


618) Peripatus is a connecting link between


619) Which one of the following are homologous organs?


620) Fossilized faecal material of animals are known as


621) Identify the phenomenon in which the members of a species do not interbreed with the members of other
species or same species


622) I. Use and disuse of organs
II. Inheritance of acquired characters
III. Branching descent
IV. Natural selection
V. Mutation
VI. Reproductive isolation
The two key concepts of Darwinism from the given options are


623) Related species which are reproductively isolated but mophologically similar are called


624) Evolution is


625) The result of Miller’s experiments were discussed in the book ‘The Planets’ written by


626) Which of the following experiment suggested that simplest living organisms could not have originated
spontaneously from non-living matter?


627) Darwin asserted that …A… which are heritable and which makes the resources utilization …B… for few,
will enable only those to reproduce and leave …C… progeny
Choose the correct option for A, B and C to complete the given statement


628) Phenomenon in which the genetic drift gives rise to a new sample of population is called


629) Genetic drift operates to


630) Archaeopteryx is a connecting link between


631) Which one of the following is not a vestigial structure in Homo sapiens?


632) Which of the following was not explained by the Darwinism?


633) Creation of new taxa is focussed in


634) Which of the following statement is correct?


635) Lung fishes, air breathing animals and corals predominated during the ….. period
Complete the given statement by choosing an appropriate option


636) Development of different functional structures from a common ancestral form is called


637) Hand of man, wing of bat and flipper of seal represents


638) Who wrote the famous book Origin of Species?


639) According to the heterotroph hypothesis, the first life on the earth was able to


640) Which of the following events is an examples of evolution?


641) The theory that evolutionary change is slow and continuous this phenomenon is known as


642) Links between organisms that shows branching pattern of evolutionary relationships are shown by


643) Which of the following is not Darwin’s conclusion?


644) Which group of organisms is believed to be evolved first on earth?


645) Artificial synthesis of ATP, porphyrin and nucleotides was detained by


646) The biochemical analysis of different chlorophyll pigments in plants would be most useful in determining


647) Select the wrong statements
I. Swank-neck flask experiment was performed by Louis Pasteur
II. Louis Pasteur is famous for germ theory of disease
III. Louis Pasteur disapproved spontaneous theory forever
IV. Cosmozoic theory of origin of life was proposed by Richter
V. Theory of catastrophism was given by Georges Cuvier
Choose the correct option


648) Percentage of homology in the haemoglobin of man and gorilla is


649) Hybridized sterile (2n) plant can be converted into a fertile species by doubling the chromosomes through
induced polyploidy. Such plants are called


650) Abiogenesis means


651) Pouched marsupials are found only in


652) Evolution is not continuous. It is a Jerky and a discontinuous process. This is the punch line of


653) Which of the following statements are correct?
I. Survival of the fittest is based upon the characteristics that are inherited
II. Darwin’s variations are small and directional
III. The fitness is the end result of the ability of adults
IV. Genetic drift is operated in small population
V. Genetic drift operates in large population
VI. Genetic drift upset the Hardy-Weinberg equilibrium
Choose the correct option


654) If frequency, of ‘A’ allele is 0.4 than, find out the frequency of ‘B’ allele and heterozygous genotype in a
random mating population at equilibria


655) Darwin differentiate …A… species of finches and grouped them into …B… main types.
Choose the correct option for A and B to complete the given statement


656) When a species gets separated geographically, it evolves separately. Which of the following condition
would determine whether they are now different species?
I. They failed to interbreed
II. They failed to give fertile offspring
III. They have different coloured body
IV. They appear morphologically slightly different
Choose the correct combination from given options


657) First cell produced on earth is


658) Biochemical similarities indicates the


659) Who proposed the Big-Bang theory?


660) Fossil man, who made cave paintings, is


661) What is meant by the term “Darwin fitness”


662) Primary source of allelic variation is


663) All organism shares the same types of proteins and biochemical pathways. This supports the fact that


664) Orithorhynchus is a connecting link between


665) Analogous organs appears as the result of


666) Who proposed that the first form of life could have come from pre-existing non-living organic molecules?


667) The scientific name of Java man is


668) Example of convergent evolution is


669) Which theory arguments that life on earth came from outer space?


670) Which of the following is the most primitive ancestor of man?


671) Presence of visceral pouches in the embryos of all vertebrates supports the theory of


672) A population exhibiting Hardy-Weinberg equilibrium possesses 25% recessive traits. Find out the
frequency of recessive alleles in the gene pool of the same population


673) Which of the following natural process is likely to fasten organic evolution?


674) Homo sapiens neanderthalensis and Homo sapiens sapiens (Cro-magnon man), were originated from


675) How might an evolutionary biologist why a species of salamander becomes blind after colonizing a cave?


676) Which one amoung the following is an example for homology?


677) Coacervates belong to category of


678) Which of the following sequences was proposed by Darwin and Wallace for organic evolution?


679) Fossils are useful in


680) Biological concept of species is mainly based on


681) Which of the following statements stands in favour of abiogenesis?
I. Spontaneous generation
II. Origin of viruses and microbes
III. Origin of life from living organism
IV. Origin of life from non-living organism
The correct combination is


682) The brain capacity of Homo erectus was about


683) Single step large mutation leading to speciation is also called


684) According to Oparin, which one of the following was not present in the primitive atmosphere of the earth?


685) What is the use of Electronic Spin Resonance (ESR) in fossil studies?


686) Wings of birds and wings of flies perform similar functions so they are examples of


687) Vestigial organs present in an adult individual are examples of …………. Basis of evidence of evolution.


688) Evolution that shift the allele frequency in a study consistent direction is called?


689) Bird with average sized wings survived in the severe strom but the short winged birds died. It shows


690) Cosmozoic theory was proposed by


691) Major radiations of mammals, birds and pollinating insects took place in which epoch?


692) Change of frequency of alleles in a population results in evolution. This statement is proposed in


693) The first enzyme on the primitive earth was/were


694) Ancestor of man, who first stood erect, was


695) Theory of special creation arguments that
I. all living organisms were created as such
II. the diversity was always the same since creation
III. earth is 4000 years old
Choose the right option to complete the given statement


696) ‘Use and disuse’ theory was proposed by


697) What kind of variation contributes to the height of animals?


698) The most recent and direct prehistoric ancestor is


699) Evolution for Darwin was gradual, while de Vries believed that mutations, caused speciation. The belief of
de Vries supports the concept of


700) Evolution for Darwin was gradual, while de Vries believed that mutations, caused speciation. The belief of
de Vries supports the concept of


701) Study of origin and development of humans in all their physical, social and cultural relationship is called


702) Which of the following best shown the common origin of man and chimpanzee?


703) Neo-geographic speciation can be found in


704) Which of the following statement are correct about Homo erectus
I. Had a large brain around 900cc
II. Appeared about 1.5 million years ago
III. Ate meat/omnivorous
IV. Evolved from Homo habilis
Choose the correct option


705) Evolution is


706) Which of the following is an example of fossils?


707) Rapid evolution a number of new taxa in a short span of time due to large scale of environmental change is
called


708) Which of the following statement describes that natural selection is not analogous to artificial selection


709) Select the incorrect statements
I. Natural selection is essential for evolution
II. Natural selection do not include variations
III. Concept of natural selection was given by Hugo de Vries
IV. Mutation is the sudden inheritable change
V. Synthetic theory is also called Neo-Darwinism theory of evolution
The correct combination is a


710) Cro –magnon was


711) Urey –Miller’s experiment mixture had the following except


712) Life appeared


713) Evidence that evolution of life forms has indeed taken place on earth has come from


714) Darwin in his ‘natural selection theory’, did not believed in any role of which one of the following in
organic evolution?


715) The first living beings were


716) Offsprings formed by the combination of new characters are called


717) Evolution is the


718) The most recent era in geological time scale is


719) Change of lighter coloured variety of peppered moths (Biston betularia ) to darker variety occurred due
to


720) Two key concepts of Darwinian theory of evolution are
I. branching descent
II. use and disuse of organs
III. natural selection
IV. somatic variance
The correct combination is


721) Origin of different types of beaks occur due to


722) The early man whose skeleton is almost indistinguishable from that of modern man is


723) Coacervates were experimentally produced by


724) Which of the following evolved first on the primitive earth?


725) Given below some major events in the early history of life
I. First heterotrophic prokaryotes
II. First eukaryotes
III. First autotrophic prokaryotes
IV. First animals
Choose the correct sequence of these evolutionary events


726) First dinosaurs and first egg-laying mammals were originated in


727) Philosophie Zoologique was written by


728) Mark the correct statements
I. Fitness of individuals means reproductive fitness
II. Homology in vertebrae brain indicates common ancestry
III. Theory of acquired character was given by de Vries
IV. After industrialization, the white moth did not survive due to predators
The correct option is


729) Genetic basis of adaptation was performed by


730) In which epoch, only modern humans prevails?


731) Select the examples which favours the mutational theory of evolution
I. Ancon sheep II. Hornless cattle
III. Cicer gigas IV. Novel oranges
V. Hairless cat VI. Double toed cat
The correct combination is


732) Although all mammals have some common characters, but they shows conspicuous differences due to


733) A good example for recapitulation theory is


734) Atavism is


735) The best description of natural selection is


736) Which one of the following amino acid was not found to be synthesized in Miller’s experiment?


737) Evolution occurs when


738) Myrmecobius Myrmecophaga are closely related and have similar adapatations for the same habitat.This phenomenon is


739) Galapagos islands are located in


740) Lamarck’s concept of inheritance of acquired characters was discarded by
I. Mendel’s laws of inheritance
II. Theory of natural selection
III. Mutational theory
IV. Theory of continuity of germplasm
Choose the correct combination of the given options to complete the given statement


741) The finches of Galapagos islands provide an evidence in favour of


742) …A… of Russia and …B…. of England proposed that the first form of life could have come from …C… nonliving
organic molecule
Choose the right option for A, B and C to compete the given NCERT statement


743) Phrase ‘Survival of the Fittest’ was used by


744) The cranial capacity of modern man is


745) Which of the following molecules falls under the category of eobionts?
I. Coacervates II. Microspheres


746) A baby has been born with a small tail. It is the case of exihibiting


747) Which of the following is an evidence for Darwin’s theory of common descent?


748) Which one of the following describes correctly the homologous structures?


749) Scientific name of Solo man is


750) Genetic equilibrium refers to phenomenon that


751) Arrange the following events in a sequential order to describe the phenomenon of speciation
I. Over production rapid multiplication
II. Limited food and space
III. Struggle for existence
IV. Speciation
V. Inheritance of useful variation
VI. Natural selection/survival of the fittest
VII. Appearance of variation
The correct sequence is


752) The sequence of events in geographic speciation is most likely to be


753) What was the Lamarck’s explanation for long necked giraffes?


754) The highest cranial capacity is/was present in


755) Identify the correct sequence of stages in evolution of modern man/ Homo sapiens.


756) Which of the following is the most primitive ancestor of man?


757) Trilobites were evolved during which of the following periods?


758) Darwin’s finches provide an excellent evidence in favour of organic evolution. These are related to which
of the following evidences?


759) Mendel described the frequency of …A… for offsprings of a single …B…
Choose the correct options for A and B to complete the given NCERT statement


760) All organisms shares the same genetic code. This commonality is an evidence that


761) Homology refer to
I. Divergent evolution
II. Common descent
III. Convergent evolution
Choose the correct option


762) Comparative anatomy and morphology shows …A… and …B… among organisms of today and those that
existed years ago. Such similarities can be interpreted to understand whether …C… ancestors were shared
or not
Choose the correct option for A, B and C the complete the given NCERT statement


763) Homo erectus evolved about 1.7 million years ago. They used fire and tools and also used animal hides as
clothing. The fossil of Homo erectus were named as


764) Thorns of Bougainvillea and tendrils of Cucurbita are examples of


765) First mammal occurred in which era/period?


766) Theory of spontaneous generation or abiogenesis was first disproved by


767) Modern synthetic theory is based on


768) Which of the following situation would most likely result in the highest rate of natural selection?


769) Which one is the largest ape among the given four genera of apes?


770) When two species of different genealogy come to resemble each other as a result of adaptation, the
phenomenon is termed as


771) Which one of the following phenomenon supports Darwin’s concept of natural selection in organic
evolution?


772) Who first conducted experiment on evolution to prove biochemical origin of life?


773) In Africa, there is a species of bird called the yellow-throated long claw. It looks exactly like the
meadowlark found in North America, but they are not closely related. This is an example of


774) Theory of pangenesis was given by


775) Krebs’ cycle, glycolysis, lipogenesis, enzymes, all of these indicates


776) Peripatus is a connecting link between


777) In Hardy-Weinberg law the homozygous dominant alleles, homozygous recessive alleles and heterozygous
alleles are represented by


778) During the course of human evolution which part of the brain has shown maximum increase in size?


779) Miller synthesized simple amino acids from one of the following mixtures in his experiment


780) From one population to other, the new mutation spreads by
I. Bottle neck effect II. Budding
III. Immigrants IV. Sexual reproduction
V. Binary fission VI. Asexual reproduction
Choose the correct combination


781) Factor affecting the Hardy-Weinberg principles are
I. gene flow
II. genetic drift
III. mutation
IV. genetic recombination
V. natural selection
The correct combination is


782) First theory of evolution was given by


783) The idea of natural selection as the fundamental process of evolutionary changes was reached


784) Mutation results in


785) Plants of the Galapagos islands show resemblance most closely to the plants of


786) According to abiogenesis, life originated from


787) Formation of more complex and specialized organisms from the simple and less elaborated forms is called


788) Anthropogenic actions that leads to evolution is the use of


789) Which one is linked to evolution?


790) First seed plant appeared during which period?


791) Organic compounds first evolved in earth required for origin of life were


792) The study of the homologous structures in mature organisms provides the evidence for the evolutionary
relationships among certain groups of organisms. Which field of the study includes this evidence of
evolution?


793) Which of the following statements are incorrect?
I. Microbial experiment shows that when the pre-existing advantagoeus mutations are selected they will
result in the observation of new phenotypes. Over few generations, this would results in speciation
II. Neanderthal fossils represents a human relative.
III. In 1938, a fish caught in South Africa happened to be a coelacanth (lobe fins) which was thought to be
extinct. These animals evolved into the first living amphibian on both land and water
IV. Lichens can be used as water pollution indicators
V. Alfred Wallace, a naturalist, who worked in Malay Archepalago (present Indonesia) had also came to the
similar conclusion on natural selection as reached by Darwinism
The correct option is


794) Which of the following was formed in S Miller’s experiment?


795) Which of the following is not the concept of Lamarck?


796) Which of the following features are bconnected with the modern theory of Evolution?
I. Genetic and Chromosomal mutation
II. Genetic recombination and natural selection
III. Reproductive Isolation
The correct combination is


797) Which era is called the age of angiosperm?


798) Dryopithecus is also called as


799) Darwin's finches are a good example of


800) The animal called ........... evolved into the first amphibians that lived on both land and water. Complete the given statement by choosing an appropriate answer


801) True statements regarding the genetic drift are
I. It mostly occurs in smaller population
II. Certain alleles can be lost forever because of genetic drift
III. Founder effects and bottle neck effects are caused by genetic drift
IV. Mutations are primarly responsible for genetic drift
The correct combination showing true statement is


802) Which of the following is an atavistic character?
I. Body hairs
II. Enlarged canines
III. Presence of six fingers
IV. Presence of tail in some babies
The correct combination is


803) 'Population tends to increase geometrically, while the food supply increases arithmatically'.
This concept was put forward by


804) Which of the following phenomenon is difficult to explain in terms of natural selection?


805) In Hardy-Weinberg principle expression of allele frequency is represented by


806) Experimental evidence of chemical evolution was given by


807) Sum total of all the allelic frequency is


808) Fossil of cro-magnon man was found in


809) In which era Protozoa, sponge and algae were originated?


810) Which one of the following aspect of evolution is shown by Darwin finches?


811) Fitness according to Darwin refers to


812) The concept of adaptive radiation was developed by


813) Eye of Octopus and mammals appears quite similar. They are


814) Which of the following is the vestigial organ in human beings?


815) How Australopithecus skull differs from the skull of modern man?


816) How might an evolutionary biologist explains why a species of birds has evolved a larger beak size?


817) Which was absent in the atmosphere at the time of origin of life?


818) Atavism is found in


819) Which of the following are the wrong statements
I. Organs which are different in basic structure and origin but performs similar functions are called
analogous organ
II. Organs with different to basic structure and origin but perform similar functions are called homologous
organs
III. Homologous organs lead to convergent evolution
IV. Analogous organ leads to divergent evolution
The correct combination is


820) Two nucleotide sequences found in two different species are exactly the same. This suggests that these
species


821) The variation in the natural selection is on, it is due to the random mutations. What does this imply about
the natural selection?


822) Which of the following statements regarding the evolution of plants and animals is/are correct?
I. Amphibians evolved into reptiles
II. Fish with stout and strong fins could move on land and go back to water. This was about 350 million
years ago
III. Giants ferns fell to form wall deposits slowly
IV. About 65 million years ago dinosaurs died out
V. Archeopteryx is the connection link between birds and reptiles
The correct combination is


823) Which of the following statements correctly defines the phenomenon of genetic drift?
I. Random change in gene allele frequency
II. Occur by chance
III. It is directional
IV. Causes elimination of certain alleles
V. Causes fixation of alleles
The correct combination is


824) Hugo de Vries based on his work on …A… brought forth the idea of …B…, large difference arising suddenly
in a population. He believed that it is mutation which causes evolution and not the …C… that Darwin talked
about. Mutations are random and …D…, while Darwinian variations are small and …E…
Choose the correct option for A, B, C, D and E to complete the given statement


825) Tendrils in plants are an example of


826) Australopithecus africanus is also known as


827) The natural selection that acts against change in the form and keeps the population constant through the
time is


828) ‘A brief reduction in size of a population, due to natural calamities, usually leads to random genetic drift’.
For this statement, identify the correct example from the following.


829) Prehistoric cave art developed about …A… years ago. Agriculture came around …B… years back and
human settlements started. Choose an appropriate option for A and B to complete the given NCERT
statement


830) Amoug the human ancestors, the brain size was more than 1000 cc in


831) In the origin of life, microspheres are most primitive protobiont, which have a membrane of


832) Neo- Darwinism is


833) The abiogenesis occurred about how many billion years ago?


834) Australopithecus existed in


835) Which of the following statement is correct about Australopithecus


836) Which of the following factor would affect the future population?


837) Which of the following variations are temporary and have nothing to do with the last or next generation?


838) Evolution convergence is characterized by


839) Mutation introduces new genes into a species and brings about the changes in


840) The concept that the species have changed over a long period of time is know as


841) Fossils are the remains of


842) Which of the following is not a living fossil?


843) Homo habilis originated in


844) In recent years, DNA sequences (nucleotide sequences) of mtDNA and Y-chromosomes were considered
for the study of human evolution, because


845) Earth originated approximately


846) Gene flow takes flow by


847) The diversity in the type of finches and adaptation to different feeding habits on the Galapagos islands, as
observed by Darwin, provides an evidence of


848) Which of the following is/are the most significant trend in the evolution of humans?
I. Shortning of eye
II. Bionocular vision
III. Tool making
IV. Increased cranial capacity


849) Choose the homologous organs from the given options
I. Vertebrate hearts
II. Vertebrate brains
III. Thorn and tendrils of Bougainvillea and Cucurbita
IV. Vertebrate limbs
The correct combination is


850) Evolution is


851) Hardy –Weinberg principle explains


852) Which of the following fossil man is named as handy man?


853) Which of the following is an example of vestigial structure?


854) Connecting link between ape and man is


855) The theory of use and disuse of organ was proposed by


856) The difference between Homo sapiens and the Homo erectus was


857) Mutational theory of evolution was given by


858) All the existing life forms share …A… and share …B… ancestors. The geological history of earth closely
correlates with …C… history of earth.
Choose the right option for A, B and C to complete the given statement with reference to NCERT text book


859) Natural selection can lead to …A… in which more individuals acquire mean character value, …B…. more in
which individuals acquire value other than the mean character value and …C… in which more individuals
acquire peripheral character value at both ends of the distribution curve
Choose the correct options for A, B and C to complete the given statement with reference to NCERT text
book


860) Malay Archipalago stands for


861) First life on the earth originated from non-living matters has been explained by


862) The age of fossils or dating of fossils can be best estimated by


863) Wings of insects and birds are


864) Dinosaurs were abundant during


865) How did George Cuvier accounts for the extinctions in nature


866) Genetic equilibrium means


867) According to fossils discovered upto present time origin and evolution of man was started from which
country?


868) What is the basis of Hugo de Vries theory of mutation?


869) Variations in a progeny takes place due to


870) Which of the following sets contain only homologous organs?


871) ‘XX’ is a type of selection process in evolution ‘XX’ promotes the population changes in one particular
direction ‘XX’ favours small or large sized individuals, mean size of population changes in ‘XX’. Identify ‘XX’


872) Darwin proposed the theory of


873) A population is in Hardy-Weinberg equilibrium for a gene with only two alleles. If the gene frequency of an
allele’A’ is 0.7, genotype frequency of ‘a’ is


874) Genus Homo erectus includes three fossil (s) namely
I. Java ape man
II. Neanderthal man
III. Cro-magnon man
IV. Peking man
V. Heidelberg man
The correct options is


875) Inheritance of acquired characters comes under


876) Which one of the following factor do not allows Hardy-Weinberg principle to operate?


877) Stings of honey bee and the stings of scorpion are
I. analogous organs
II. heterologous organs
III. homologous organs
IV. vestigial organs
The correct combination is


878) Theoretically population size grows …A…, if everybody reproduced maximally and the fact that the
population size in reality is …B…, means that there had been competition for resources
Choose the correct option for A and B to complete the given statement with reference to NCERT text book


879) Darwinism explains all the following except


880) Which one of the following amino acid was not found to be synthesized in Miller’s experiment?
Statement 1: Coacervates are believed to be the precursors of life.
Statement 2: Coacervates were self-duplicating aggregates of proteins surrounded by lipid molecules.


881) de Vries gave his mutation theory on organic evolution, while working on
Statement 1: Natural selection is the outcome of differences in survival and reproduction among
individuals that show variations in one or more traits.
Statement 2: Adaptive forms of a given trait tend to become more common; less adaptive ones become
less common or disappear.


882) Darwin’s finches provide an excellent evidence in favour of organic evolution. These are related to which
of the following evidences?
Statement 1: Gene flow increases genetic variations.
Statement 2: The random introduction of new alleles into recipient population and their removal from
the donor population affects allele frequency.


883) Cro –magnon was
Statement 1: Among the primates, chimpanzee is the closest relative of the present day humans.
Statement 2: The banding pattern in the autosome number 3 and 6 of man chimpanzee is remarkably
similar.


884) Which one of the following amino acid was not found to be synthesized in Miller’s experiment?
Statement 1: The earliest organism that appeared on the earth were non-green and presumably
anaerobes.
Statement 2: The first autotrophic organisms were the chemoautotrophs that never released oxygen.


885) The chronological order of human evolution from early to the recent is
Statement 1: Human ancestors never used their tails and so the tail expressing gene has disappeared
in them.
Statement 2: Lamarck’s theory of evolution is popularly called theory of continuity of germplasm


886) Darwin judged the fitness of an individual by
Statement 1: The theory of survival of the fittest is widely misunderstood.
Statement 2: Evolution does not always increase the chances of a species survival and species do not
survive when such chances happen rapidly.


887) Which of the following statements is correct?
Statement 1: Comparative biochemistry provides a strong evidence in favour of common ancestry of
living beings.
Statement 2: Genetic code is universal.


888) de Vries gave his mutation theory on organic evolution, while working on
Statement 1: Animals adopt different strategies to survive in hostile environment.
Statement 2: Traying mantis is green in colour, which merges with plant foliage.