Practice Test


Q1) What kind of evidence suggested that man is more closely related with chimpanzee than with other hominoid apes? Show Answer


Q2) The branch of zoology dealing with similarities and differences between individuals related by descent is: Show Answer


Q3) The branch of Biology dealing with study of distribution of organisms in different geographic region is: Show Answer


Q4) Homologous organs are: Show Answer


Q5) Analogous organs are those which are: Show Answer


Q6) One of the following is not a vestigial organ: Show Answer


Q7) Biogenetic law was given by: Show Answer


Q8) Vestigial organs are those: Show Answer


Q9) The wings of a bird and the forelegs of horse are: Show Answer


Q10) The pelvis and the leg bones of snake are: Show Answer


Q11) The best test of the relatedness of the species is in the similarity of their: Show Answer


Q12) Most fossils are found in: Show Answer


Q13) The richest source of fossils is: Show Answer


Q14) The fossil animals which show characters of two different groups of animals are called as: Show Answer


Q15) The Haeckel's theory of recapitulation (Biogenetic Law) means that: Show Answer


Q16) Who established the precipitation method of blood tests for finding out the inter-relationshhip among different animals: Show Answer


Q17) The connecting link between chordates and non-chordates is: Show Answer


Q18) Which of the following is a living fossil? Show Answer


Q19) Appearance of teeth in the embryos of birds is an example of: Show Answer


Q20) Dinosaurs are extinct: Show Answer


Q21) Some of the important evidences of organic evolution are: Show Answer


Q22) Which of the following is not a vestigial organ in man? Show Answer


Q23) Which of the following are the examples of analogous structures? Show Answer


Q24) Which one of the following are homologous? Show Answer


Q25) Evolutionary changes occurring in distantly related organisms are classified as: Show Answer


Q26) Which of the following are homologous? Show Answer


Q27) Which of the following is an extinct animal? Show Answer


Q28) A fossil is a: Show Answer


Q29) Which of the following is vestigial organ in man? Show Answer


Q30) The law of superposition is associated with: Show Answer


Q31) Birds of Galapagos island were named as Darwin's finches by: Show Answer


Q32) Which one of the following groups are not analogous organs? Show Answer


Q33) Haeckel's recapitulation theory was based on: Show Answer


Q34) Which is supposed to be largest known fossils of reptile? Show Answer


Q35) Analogous organs have a: Show Answer


Q36) Birds evolved from: Show Answer


Q37) First mammals occurred in which era period? Show Answer


Q38) Appearance of ancestral characters in the new borns, such as tail, multiple mammae etc. are known as: Show Answer


Q39) Correct sequence is: Show Answer


Q40) A bird with teeth is: Show Answer


Q41) The term used for similarity in organ structure seen in great diversity is: Show Answer


Q42) Homologous organs are those that show similarity in: Show Answer


Q43) Which of the following is a connecting link? Show Answer


Q44) Which set includes all vestigial structures of man? Show Answer


Q45) Mesozoic era is the era of: Show Answer


Q46) Most evident source of evolution is: Show Answer


Q47) 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? Show Answer


Q48) Origin of different finches on Galapagos islands is an example of: Show Answer


Q49) Which of the following are connecting links? Show Answer


Q50) Physiological evidence in favour of evolution is demonstrated by: Show Answer


Q51) 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: Show Answer


Q52) Amphibia first appeared in: Show Answer


Q53) Dinosaurs were abundant in: Show Answer


Q54) Which of the following statements is wrong? Show Answer


Q55) 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: Show Answer


Q56) According to the geologic time-table, man belongs to: Show Answer


Q57) For how many years have the dinosaurs been extinct? Show Answer


Q58) When did the first forest appear? Show Answer


Q59) Which one of the following fossils represent a connecting link between evolution of mammal from reptiles? Show Answer


Q60) What are the fossil contents of alimentary canals known as? Show Answer


Q61) The origin of first mammals occurred: Show Answer


Q62) The term orthogenesis means: Show Answer


Q63) Oldest fossils of land animals consist of: Show Answer


Q64) Age of mammals and birds is known as: Show Answer


Q65) Fossil of Archaeopteryx were found from: Show Answer


Q66) Birds are glorified reptile have been proved by the discovery of fossil which resembles bird and reptiles both: Show Answer


Q67) What is the appearance of ancestral characters in an individual called? Show Answer


Q68) Flightless bird of Australia is: Show Answer


Q69) An incompletely three chambered heart occurs in: Show Answer


Q70) Who proposed for the first time that developing animal embryo passes through stages resembling adults of its ancestors: Show Answer


Q71) Replacement of original hard parts or even the soft tissues of the organisms by minerals is known as: Show Answer


Q72) Cycas and Ginkgo are connecting links between: Show Answer


Q73) Which one of the following animal has been extinct recently? Show Answer


Q74) Analogous organs with similar external morphology are called: Show Answer


Q75) Possession of accessory respiratory organ in Anabas is an example of: Show Answer


Q76) How dinosaurs became extinct? There are many hypotheses. One mostly accepted is: Show Answer


Q77) Find the odd man out: Show Answer


Q78) The biggest and heaviest dinosaur was: Show Answer


Q79) The first fossil bird found in the orcks of Jurassic period belong to genera: Show Answer


Q80) In Birbal Sahni Institute of Palaeobotany in Lucknow, 3.2 billion year old rocks are kept which have fossils of: Show Answer


Q81) The flowering plants originated in: Show Answer


Q82) The study of the fossil plants is known as: Show Answer


Q83) Point out the correct statement regarding the evolution of horse: Show Answer


Q84) What is the recent example of mass extinction of organisms? Show Answer


Q85) Plants which are naturally fast disappearing from the scene are: Show Answer


Q86) Find the odd man out: Show Answer


Q87) Which of the following rules state that organisms have a tendency towards increase in size during their evolution? Show Answer


Q88) Different groups of plants (and also animals) have similar proteins. What is the type of evidence? Show Answer


Q89) In human beings canine teeth are: Show Answer


Q90) One of the following is taken as evidence of evolution. Which one? Show Answer


Q91) Which one of the following answers molecular homology? Show Answer


Q92) Which one of the following animals exhibits connecting link in evoltuion between amphibia and reptiles? Show Answer


Q93) 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: Show Answer


Q94) Modern theory of organic evolution is based on: Show Answer


Q95) Nature has provided the organisms the ability to produce at high rate. What is its opposing force? Show Answer


Q96) The material for organic evolution is: Show Answer


Q97) Phylogeny tells about: Show Answer


Q98) The wings of an insect and a bat exhibit: Show Answer


Q99) Which of the following includes all homologous organs? Show Answer


Q100) From a group of similar mammals some have adapted for running, flying and swimming etc. This is an example of: Show Answer


Q101) Fossils of prokaryotic and eukaryotic cells were first discovered in rocks of: Show Answer


Q102) Animals of cold countries have shorter ears. This is: Show Answer


Q103) Dinosaurs appeared after which era: Show Answer


Q104) Presence of gill slits in the embryos of all vertebrates supports the theory of: Show Answer


Q105) Which era is dubbed as the age of prokaryotic microbes: Show Answer


Q106) Mesozoic is the: Show Answer


Q107) "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: Show Answer


Q108) Which is the most evident proof of evolution? Show Answer


Q109) Two geographical regions separated by high mountains are: Show Answer


Q110) Which one provides direct and solid evidence in favour of organic evolution through ages? Show Answer


Q111) Which animals has become extinct recently? Show Answer


Q112) Angiosperms flourished during: Show Answer


Q113) Carboniferous period of coal deposition was: Show Answer


Q114) Dinosaurs disappeared during: Show Answer


Q115) Adaptive similarities in animals of the same habitat constitute: Show Answer


Q116) Homologous organs show: Show Answer


Q117) Which one is not vestigial in humans? Show Answer


Q118) Coal has been mainly formed by: Show Answer


Q119) Darwin's finches provide evidence of evolution from: Show Answer


Q120) Vestigial pelvic girdle and bone remnants of hind limbs are characteristic of: Show Answer


Q121) Monkeys and some lower groups have certain blood groups which are: Show Answer


Q122) Heart is four chambered in: Show Answer


Q123) Living organism with oldest fossil history is: Show Answer


Q124) Homologous organs are: Show Answer


Q125) Occurrence of endemic species in South America and Australia is due to: Show Answer


Q126) Similarities in organisms with different genotype indicates: Show Answer


Q127) Convergent evolution is illustrated by: Show Answer


Q128) In which branch we study about remains of plant life? Show Answer


Q129) Flippers of seal are modified: Show Answer


Q130) Potato and sweet potato have edible parts which are: Show Answer


Q131) Which of the following is not vestigial organ in humans? Show Answer


Q132) Which of these pairs is vestigial? Show Answer


Q133) Which of the following is the relatively most accurate method for dating of fossils? Show Answer


Q134) Evolutionary history of an organism is known as: Show Answer


Q135) Which one of the following is not a living fossil? Show Answer


Q136) An important evidence in favour of organic evolution is the occurrence of: Show Answer


Q137) Which of the following gives the correct evidence from connecting link? Show Answer


Q138) Jurassic period of the Mesozoic era is characterised by: Show Answer


Q139) Which one of the following statement is correct? Show Answer


Q140) The Finches of Galapogas islands provide an evidence in favour of: Show Answer


Q141) Mark the wrong match: Show Answer


Q142) Set which includes only analogous organs is: Show Answer


Q143) Which have not left any evidences of organic evolution? Show Answer


Q144) Example of analogous organs is: Show Answer


Q145) Two organs which are similar in structure and origin, but not necessarily in function are called: Show Answer


Q146) Man evolved in: Show Answer


Q147) A connecting link between reptiles and birds is: Show Answer


Q148) Wings of Mosquito, Bat and Bird show evolution called: Show Answer


Q149) The evolution is studied in per unit of: Show Answer


Q150) Rule of embryonic development was given by: Show Answer


Q151) Dinosaurs gave rise to: Show Answer


Q152) Study of fossils comes under: Show Answer


Q153) In human beings vestigial organs are: Show Answer


Q154) Grazing mammals and grasslands evolved side by side during which period: Show Answer


Q155) Appearance of ancestral characters in the new borns, such as tail, multiple mammae etc. are known as: Show Answer


Q156) The term used for similarity in organ structure seen in great diversity is: Show Answer


Q157) Fishes to mammals have a similar structure with respect to: Show Answer


Q158) The oldest fossil of a mammal is from the: Show Answer


Q159) Darwin found that South American fossils are most similar to: Show Answer


Q160) The most important evidence since Darwin bears on his theory has been the area of: Show Answer


Q161) Phylogeny describes a species: Show Answer


Q162) Plants and animals of the Galapagos Islands resemble most closely the plants and animals of: Show Answer


Q163) Age if mammals is known as: Show Answer


Q164) The most recent product of animal evolution are: Show Answer


Q165) Read the following three statements (A to C) and mark the right option -
A. The thorns in Bougainvillea and tendrils in cucurbits represent divergent evolution.
B. The similarity in the eyes of Octopus and monkeys is the result of convergent evolution.
C. The potato and sweet potato are the examples of homology. Show Answer


Q166) Marsupials evolved from ancestral stock, but all within Australian continent. This represents Show Answer


Q167) Flying squirrel and flying phalanger show Show Answer


Q168) Dinosaurs suddenly disappeared from the earth about Show Answer


Q169) Organic evolution means Show Answer


Q170) Diversity of living organisms is due to Show Answer


Q171) Which one of the following scientists is not related with organic evolution? Show Answer


Q172) Darwin's finches provide an excellent evidence in favour of evolution. This evidence comes from the field of Show Answer


Q173) Darwin saw that populations of Galapagos finches Show Answer


Q174) Darwin's finches represent Show Answer


Q175) The classical example of adaptive radiation in development of new species is Show Answer


Q176) Tasmanian wolf is a marsupial while wolf is a placental mammal. This shows Show Answer


Q177) Egg laying mammals and marsupials are found in Australia and nowhere else. This indicates Show Answer


Q178) The organs of different species that are related to each other through common descent though become functionally different are called Show Answer


Q179) The organs which look different but have the same basic structure and origin are known as Show Answer


Q180) Homology does not refer to Show Answer


Q181) Which is incorrect? Show Answer


Q182) Which group includes homologous organs? Show Answer


Q183) Which of the following are homologous organs? Show Answer


Q184) Which one of the following pairs has homologous organs? Show Answer


Q185) Thorn of Bougainvillea and tendril of Cucurbita are examples of Show Answer


Q186) 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 Show Answer


Q187) The evidence for the origin of birds from reptiles is the presence in them of Show Answer


Q188) Which of the following are homologous organs? Show Answer


Q189) Hand of man, wing of bat and flipper of seal represent Show Answer


Q190) Analogous structures are Show Answer


Q191) Which of the following are analogous organs? Show Answer


Q192) Which pair of organs are analogous in nature? Show Answer


Q193) Which of the following pairs is correct? Show Answer


Q194) Which of the following are not analogous organs? Show Answer


Q195) Eyes of an Octopus and mammals appear quite similar, but these are different in their basic structure and origin heave they are Show Answer


Q196) Convergent evolution of two species is associated with Show Answer


Q197) Evolutionary convergence in the development of Show Answer


Q198) Convergent evolution is shown by Show Answer


Q199) Examples of vestigial organs in the human body are Show Answer


Q200) Which is a set of evidence of evolution? Show Answer


Q201) Evolutionary history of a group of organisms is called Show Answer


Q202) 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. Show Answer


Q203) Presence of gills in the tadpole of frog indicates that Show Answer


Q204) All organisms share the same genetic code. This supports that Show Answer


Q205) The most direct evidence of organic evolution is Show Answer


Q206) Fossil evidence of evolution is called Show Answer


Q207) Fossils are studied for Show Answer


Q208) Fossilization would occur when flora and fauna are buried by Show Answer


Q209) The fossils are preserved in Show Answer


Q210) Fossil X is older than fossil Y because Show Answer


Q211) The type of fossil where hard parts like bones, teeth or trunk of trees are preserved Show Answer


Q212) The material used in determining the age of a fossil is Show Answer


Q213) Correct order is Show Answer


Q214) As evident from fossil records which era had no life? Show Answer


Q215) Mesozoic era is the age of Show Answer


Q216) In which of the following periods dinosaurs were maximum developed? Show Answer


Q217) Dinosaurs became extinct during Show Answer


Q218) Which era could be called "age of mammals and birds"? Show Answer


Q219) The first mammal appeared in Show Answer


Q220) Which of the following is the correct order of evolution? Show Answer


Q221) The pioneers in the field of 'organic evolution' are Show Answer


Q222) The first attempt to solve the problem of mechanism of organic evolution was made by Show Answer


Q223) The book "Philosophic Zoologique" was written by Show Answer


Q224) The theory of use and disuse of organs was given by Show Answer


Q225) "Theory of Continuity of Germplasm" was propounded by Show Answer


Q226) Which of the following is not a part of Darwin's theory of evolution? Show Answer


Q227) Survival of fittest is possible due to Show Answer


Q228) The idea of "Survival of Fittest" was originally introduced by Show Answer


Q229) Who wrote the book "The Origin of Species"? Show Answer


Q230) The book "The Origin of Species" was published in Show Answer


Q231) In which case is Darwin's theory wrong? Show Answer


Q232) Diversity in the types of beaks of finches adapted to different feeding habits on the Galapagos Islands, as observed by Darwin provides evidence for Show Answer


Q233) The most accepted and recent theory of organic evolution is Show Answer


Q234) 'Modern synthetic theory of evolution' is the result of Show Answer


Q235) The modern synthetic theory of evolution is based on Show Answer


Q236) A mutation is most likely to have a selective advantage in evolution if Show Answer


Q237) Some bacteria are able to grow in streptomycin containing medium due to Show Answer


Q238) Sum of all the genes in a population is called Show Answer


Q239) In a population of frogs which would be considered the fittest? Show Answer


Q240) Which of the following is correct? Show Answer


Q241) Birds with average-sized wings survived in a severe storm more successfully than with longer or shorter wings. It illustrates Show Answer


Q242) In a population where competition between individuals is severe then the distribution is said to be Show Answer


Q243) Adaptation of a species is its Show Answer


Q244) Adaptations Show Answer


Q245) The change of lighter coloured variety of peppered moth, Biston betularia, to its darker variety (carbonaria) is due to Show Answer


Q246) Some organisms escape detection from enemies by resembling other organisms Show Answer


Q247) Cause of mimicry is Show Answer


Q248) The origin of species from pre-existing species is Show Answer


Q249) A definition of the term "Species" based on reproduction has distinct limitations, which include its being Show Answer


Q250) Species is Show Answer


Q251) Geographic and reproductive isolations are most closely associated with Show Answer


Q252) Which is basis of evolution? Show Answer


Q253) Which is not applicable to the Biological species concept? Show Answer


Q254) The concept of "biological species" was proposed by Show Answer


Q255) Jurassic period of the mesozoic era is characterized by Show Answer


Q256) Presence of recessive trait is 16%. The frequency of dominant allele in population is Show Answer


Q257) Change in gene structure changes the trait it represents. The theory about formation of new species with the help of such changes is Show Answer


Q258) The study of ancient life, mainly carried out by means of fossils is Show Answer


Q259) Tasmanian wolf is a marsupial while wolf is a placental mammal. This shows Show Answer


Q260) The process by which organisms with different evolutionary history evolve similar phenotypic adaptation in response to a common environmental challenge, is called Show Answer


Q261) Forelimbs of cat, lizard used in walking; forelimbs of whale used in swimming and forelimbs of bats used in flying are an example of Show Answer


Q262) Which of the following is not an example of molecular evidence in favour of evolution? Show Answer


Q263) Choose the wrong pair. Show Answer


Q264) Fossils act as evidences of organic evolution. Which one of these features does not justify the feature of fossils? Show Answer


Q265) The wings of a bird and the wings of an insect are Show Answer


Q266) Two organisms are closely related and the thought to share a similar evolutionary history. If this assumption is correct, these organisms most likely have Show Answer


Q267) Which of the following structures is homologous to the wing of a bird? Show Answer


Q268) In terms of evolutionary origin, which one of the following is correct? Show Answer


Q269) 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 Show Answer


Q270) Which of the following provides most evident proof of evolution? Show Answer


Q271) Which set includes only analogous organs? Show Answer


Q272) Study of fossils is called Show Answer


Q273) 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? Show Answer


Q274) What do homologous organs indicates? Show Answer


Q275) Proteins found in the blood of man and ape are similar. This is an example of Show Answer


Q276) According to the Neo-Darwinian theory, which of the following is responsible for the origin of new
species? Show Answer


Q277) ‘Continuity of germplasm’ theory was given by Show Answer


Q278) Select the wrong pair Show Answer


Q279) Divergent evolution gives rise to Show Answer


Q280) The greatest evolutionary change enabling the land vertebrates to be completely free from the water.
Habitat was the development of Show Answer


Q281) Which of the following is not an examples of adaptive radiation? Show Answer


Q282) ‘XX’ lived 100000-40000 years ago, in Europe, Asia and Africa. ‘XX’ was short stature, hairy eyebrows,
sctreating forehead and large jaws. Identify ‘XX’ Show Answer


Q283) Who discarded the theory of spontaneous generation forever? Show Answer


Q284) Saltation stands for Show Answer


Q285) ′ Ontogeny Recapitulates Phylogeny' is narrated in which of the evidences for organic evolution? Show Answer


Q286) 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? Show Answer


Q287) Which of the following statements is correct? Show Answer


Q288) Vestigial organ in human being is Show Answer


Q289) 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 Show Answer


Q290) Which of the following animal extinct recently? Show Answer


Q291) Evolutionary biology is Show Answer


Q292) Which group is evolutionary modern? Show Answer


Q293) The Mesozoic era is also called as the golden age of the Show Answer


Q294) In human beings, vestigial organs are Show Answer


Q295) Which one of the following is the most primitive ancestor of man? Show Answer


Q296) Human beings belongs to the family-Hominidae which evolved about 24 million years ago. The relative
family-Pongidae includes Show Answer


Q297) The main point of Darwin’s theory is Show Answer


Q298) Which of the set represents vestigial organs? Show Answer


Q299) Darwin’s finches represents Show Answer


Q300) Which is not true of Archeopteryx ? Show Answer


Q301) Australian marsupials are the example of Show Answer


Q302) Which of the following in birds indicates their reptilian ancestry? Show Answer


Q303) Big-Bang theory attempts to explain the origin of Show Answer


Q304) Life cannot originate from inorganic materials now because of Show Answer


Q305) Name given to fossil hominid of Shivalik hills in India is Show Answer


Q306) 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 Show Answer


Q307) A study of fossils in different sedimentary layers indicates Show Answer


Q308) Development of similar adaptive functional structural features in an unrelated group of organism is called Show Answer


Q309) Organic evolution is also called Show Answer


Q310) The present concept of evolution is known as Show Answer


Q311) Scientist who also came to the similar conclusions around the same time of Charles Darwin was Show Answer


Q312) 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 Show Answer


Q313) Weismann cut off tails of mice generation after generation but tails neither disappeared nor shortened
showing that Show Answer


Q314) The pioneers in the field of organic evolutions are Show Answer


Q315) In the animals, the same structures developed along the different directions due to the adaptations to
different needs. This is called Show Answer


Q316) The idea that the life originates from pre-existing life is referred as Show Answer


Q317) According to the Darwin’s theory of evolution, differences between the species occurs due to Show Answer


Q318) The force responsible for fixing in population of neutral characteristics is Show Answer


Q319) Mutation is more common when it is present in Show Answer


Q320) 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 Show Answer


Q321) ‘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 Show Answer


Q322) Natural indicator of industrial pollution is Show Answer


Q323) What is common to whale, seal and shark? Show Answer


Q324) Give the name of the first organism who invaded land Show Answer


Q325) Speciation is the evolutionary process by which Show Answer


Q326) First human like hominid is known as Show Answer


Q327) ‘Darwin’s finches’ refers to Show Answer


Q328) 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 Show Answer


Q329) Which of the following is not vestigial in man? Show Answer


Q330) Which of the following branch of biology helps in to know the existence of coal? Show Answer


Q331) Which of the following factor is most likely to decrease the genetic diversity in a population? Show Answer


Q332) The structural similarities between the flippers of whales and the arms of human are used to show that Show Answer


Q333) Fossil X is older than fossil Y if Show Answer


Q334) Which of the following is not a correct pair? Show Answer


Q335) The primate, which existed 15 million years ago, among these was Show Answer


Q336) Which type of growth living organism undergoes? Show Answer


Q337) In which of the following era first mammal like reptile originated? Show Answer


Q338) Evolutionary development of a species can be studied by Show Answer


Q339) Which phenomena confined the pouched mammals of Australia survived because of lack of competition
from any other mammals? Show Answer


Q340) Theory of continuity of germplasm was given by Show Answer


Q341) The process by which different type of finches were evolved in Galapagos islands is Show Answer


Q342) An evolutionary process, giving rise to new species adapting to new habitat and ways of life is called Show Answer


Q343) Biological concept of species was given by Show Answer


Q344) Darwinian fitness can be estimated by Show Answer


Q345) An organism which is the connecting link between the animals and plants is Show Answer


Q346) ……… organs shows adaptive radiation.
Complete the given statement with an appropriate option given below Show Answer


Q347) Age of gymnosperm is Show Answer


Q348) Organs which are anatomically different, but performs similar functions are called Show Answer


Q349) The primates nearest to humans in the evolutionary line is Show Answer


Q350) Which of the following is an example of an ancestral homology? Show Answer


Q351) Select the correct statement from the given options Show Answer


Q352) Human arm is homologous to Show Answer


Q353) Which is a unit of evolution? Show Answer


Q354) What is the relationship between the wing of a bird and the wing of a bat? Show Answer


Q355) The first cell like structure was appeared in Show Answer


Q356) Synthesis of amino acids to prove that amino acids were formed in primitive ocean was experimentally
proved by Show Answer


Q357) 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
Show Answer


Q358) 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 Show Answer


Q359) In plants like Acacia , the leaves are compound but their seedlings possess simple leaves. This
phenomenon can be explained by Show Answer


Q360) Which of the following is not an example of evolutionary change? Show Answer


Q361) Darwin travelled in which of the following ship? Show Answer


Q362) Flippers of seal are Show Answer


Q363) Resistant varieties evolved in much lesser time because of Show Answer


Q364) Homologous organs indicate the Show Answer


Q365) Evolutionary convergence is the development of Show Answer


Q366) Which of the following is a pair of analogous organs? Show Answer


Q367) 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 Show Answer


Q368) In a random mating population in equilibrium, which of the following brings about a change in gene
frequency in non-directional manner? Show Answer


Q369) There was no life in Show Answer


Q370) 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 Show Answer


Q371) Which of the following statement is correct? Show Answer


Q372) Which of the following is the first vascular plant to be represented by an extinct group? Show Answer


Q373) Organs differ in origin but performing similar function Show Answer


Q374) 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 Show Answer


Q375) Which one of the following features occurs in the direction of the evolution for human species? Show Answer


Q376) How old is our universe? Show Answer


Q377) Which of the following defines Hardy –Weinberg law? Show Answer


Q378) Correct order of evolutionary scale is Show Answer


Q379) Which one of the following are homologous organs? Show Answer


Q380) Identify the phenomenon in which the members of a species do not interbreed with the members of other
species or same species Show Answer


Q381) Related species which are reproductively isolated but mophologically similar are called Show Answer


Q382) Evolution is Show Answer


Q383) Which of the following experiment suggested that simplest living organisms could not have originated
spontaneously from non-living matter? Show Answer


Q384) Which one of the following is not a vestigial structure in Homo sapiens? Show Answer


Q385) Development of different functional structures from a common ancestral form is called Show Answer


Q386) Hand of man, wing of bat and flipper of seal represents Show Answer


Q387) Who wrote the famous book Origin of Species? Show Answer


Q388) Which of the following events is an examples of evolution? Show Answer


Q389) The theory that evolutionary change is slow and continuous this phenomenon is known as Show Answer


Q390) Links between organisms that shows branching pattern of evolutionary relationships are shown by Show Answer


Q391) Which of the following is not Darwin’s conclusion? Show Answer


Q392) Which group of organisms is believed to be evolved first on earth? Show Answer


Q393) Hybridized sterile (2n) plant can be converted into a fertile species by doubling the chromosomes through
induced polyploidy. Such plants are called Show Answer


Q394) Pouched marsupials are found only in Show Answer


Q395) 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 Show Answer


Q396) 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 Show Answer


Q397) 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 Show Answer


Q398) First cell produced on earth is Show Answer


Q399) Biochemical similarities indicates the Show Answer


Q400) Who proposed the Big-Bang theory? Show Answer


Q401) Fossil man, who made cave paintings, is Show Answer


Q402) Primary source of allelic variation is Show Answer


Q403) Orithorhynchus is a connecting link between Show Answer


Q404) Analogous organs appears as the result of Show Answer


Q405) Who proposed that the first form of life could have come from pre-existing non-living organic molecules? Show Answer


Q406) Example of convergent evolution is Show Answer


Q407) Which of the following is the most primitive ancestor of man? Show Answer


Q408) Which one amoung the following is an example for homology? Show Answer


Q409) Fossils are useful in Show Answer


Q410) What is the use of Electronic Spin Resonance (ESR) in fossil studies? Show Answer


Q411) Wings of birds and wings of flies perform similar functions so they are examples of Show Answer


Q412) Vestigial organs present in an adult individual are examples of …………. Basis of evidence of evolution. Show Answer


Q413) Bird with average sized wings survived in the severe strom but the short winged birds died. It shows Show Answer


Q414) Change of frequency of alleles in a population results in evolution. This statement is proposed in Show Answer


Q415) Ancestor of man, who first stood erect, was Show Answer


Q416) 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 Show Answer


Q417) ‘Use and disuse’ theory was proposed by Show Answer


Q418) The most recent and direct prehistoric ancestor is Show Answer


Q419) Study of origin and development of humans in all their physical, social and cultural relationship is called Show Answer


Q420) Evolution is Show Answer


Q421) Rapid evolution a number of new taxa in a short span of time due to large scale of environmental change is
called Show Answer


Q422) Cro –magnon was Show Answer


Q423) Life appeared Show Answer


Q424) Evidence that evolution of life forms has indeed taken place on earth has come from Show Answer


Q425) The first living beings were Show Answer


Q426) Offsprings formed by the combination of new characters are called Show Answer


Q427) Evolution is the Show Answer


Q428) The most recent era in geological time scale is Show Answer


Q429) Change of lighter coloured variety of peppered moths (Biston betularia ) to darker variety occurred due
to Show Answer


Q430) Origin of different types of beaks occur due to Show Answer


Q431) 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 Show Answer


Q432) First dinosaurs and first egg-laying mammals were originated in Show Answer


Q433) 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 Show Answer


Q434) Although all mammals have some common characters, but they shows conspicuous differences due to Show Answer


Q435) Evolution occurs when Show Answer


Q436) Myrmecobius Myrmecophaga are closely related and have similar adapatations for the same habitat.This phenomenon is Show Answer


Q437) Galapagos islands are located in Show Answer


Q438) The finches of Galapagos islands provide an evidence in favour of Show Answer


Q439) …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 Show Answer


Q440) Which of the following is an evidence for Darwin’s theory of common descent? Show Answer


Q441) Which one of the following describes correctly the homologous structures? Show Answer


Q442) Darwin’s finches provide an excellent evidence in favour of organic evolution. These are related to which
of the following evidences? Show Answer


Q443) 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 Show Answer


Q444) Homology refer to
I. Divergent evolution
II. Common descent
III. Convergent evolution
Choose the correct option Show Answer


Q445) 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 Show Answer


Q446) Thorns of Bougainvillea and tendrils of Cucurbita are examples of Show Answer


Q447) First mammal occurred in which era/period? Show Answer


Q448) Modern synthetic theory is based on Show Answer


Q449) When two species of different genealogy come to resemble each other as a result of adaptation, the
phenomenon is termed as Show Answer


Q450) Theory of pangenesis was given by Show Answer


Q451) Krebs’ cycle, glycolysis, lipogenesis, enzymes, all of these indicates Show Answer


Q452) Peripatus is a connecting link between Show Answer


Q453) 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 Show Answer


Q454) First theory of evolution was given by Show Answer


Q455) Mutation results in Show Answer


Q456) Plants of the Galapagos islands show resemblance most closely to the plants of Show Answer


Q457) Formation of more complex and specialized organisms from the simple and less elaborated forms is called Show Answer


Q458) Anthropogenic actions that leads to evolution is the use of Show Answer


Q459) Which one is linked to evolution? Show Answer


Q460) 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 Show Answer


Q461) Which era is called the age of angiosperm? Show Answer


Q462) Darwin's finches are a good example of Show Answer


Q463) The animal called ........... evolved into the first amphibians that lived on both land and water. Complete the given statement by choosing an appropriate answer Show Answer


Q464) 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 Show Answer


Q465) Sum total of all the allelic frequency is Show Answer


Q466) Which one of the following aspect of evolution is shown by Darwin finches? Show Answer


Q467) Fitness according to Darwin refers to Show Answer


Q468) The concept of adaptive radiation was developed by Show Answer


Q469) Eye of Octopus and mammals appears quite similar. They are Show Answer


Q470) Which of the following is the vestigial organ in human beings? Show Answer


Q471) How might an evolutionary biologist explains why a species of birds has evolved a larger beak size? Show Answer


Q472) 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 Show Answer


Q473) Two nucleotide sequences found in two different species are exactly the same. This suggests that these
species Show Answer


Q474) 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 Show Answer


Q475) Tendrils in plants are an example of Show Answer


Q476) Which of the following factor would affect the future population? Show Answer


Q477) Evolution convergence is characterized by Show Answer


Q478) Mutation introduces new genes into a species and brings about the changes in Show Answer


Q479) The concept that the species have changed over a long period of time is know as Show Answer


Q480) Fossils are the remains of Show Answer


Q481) Which of the following is not a living fossil? Show Answer


Q482) Earth originated approximately Show Answer


Q483) 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 Show Answer


Q484) 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 Show Answer


Q485) Evolution is Show Answer


Q486) Hardy –Weinberg principle explains Show Answer


Q487) Which of the following fossil man is named as handy man? Show Answer


Q488) Which of the following is an example of vestigial structure? Show Answer


Q489) Connecting link between ape and man is Show Answer


Q490) The theory of use and disuse of organ was proposed by Show Answer


Q491) Mutational theory of evolution was given by Show Answer


Q492) 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 Show Answer


Q493) Wings of insects and birds are Show Answer


Q494) Dinosaurs were abundant during Show Answer


Q495) Genetic equilibrium means Show Answer


Q496) According to fossils discovered upto present time origin and evolution of man was started from which
country? Show Answer


Q497) Variations in a progeny takes place due to Show Answer


Q498) Which of the following sets contain only homologous organs? Show Answer


Q499) 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 Show Answer


Q500) 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 Show Answer


Q501) 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. Show Answer


Q502) 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. Show Answer


Q503) 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 Show Answer


Q504) 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. Show Answer


Q505) Sweet potato and potato represent a certain type of evolution. Select the correct combination of terms to explain the evolution.
Show Answer


Q506) What is the correct order (old to recent) of periods in Paleozoic era? Show Answer


Q507) The flippers of the Penguins and Dolphins are the example of the Show Answer


Q508) Select the correct group/set of Australian Marsupials exhibiting
adaptive radiation. Show Answer


Q509) Which of the following statements is not true? Show Answer


Q510) Flippers of Penguins and Dolphins are examples of Show Answer


Q511) Which of the following is not an example of convergent evolution?
Show Answer