Practice Test


1) Life has originated due to:


2) On one of the planet life has originated approximately same:


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


4) The spontaneous generation theory was first refuted by:


5) According to one of the most widely accepted theories, the earth's atmosphere before any life had originated on this planet consisted of mixture of:


6) Pasteur is famous for:


7) There is no life on moon as there is no:


8) In the field of discovery of origin of life Miller prepared:


9) Large colloidal particles containing protein with water molecules is:


10) Energy source for origin of life came from:


11) Which of the following were first formed?


12) The first organisms were:


13) Which of the scientists is associated with naturalistic theory of origin of life?


14) Which is the most accepted theory of origin of life?


15) Miller synthesized simple amino acids from:


16) The theory of special creation envisages the role of:


17) The theory of catastrophism considers one of the following as its mainstay:


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


19) 'Origin of Life' hypothesis was initiated by:


20) The atmosphere of the earth at the time of origin of life was:


21) According to Oparin the universe was a vast dense cloud of hot gases:


22) Which one of the gases was absent at the time of origin of life?


23) The theory of spontaneous generation of life explains that:


24) Cuvier suggested which of the following theory:


25) Who is regarded as father of evolutionary concept?


26) People who belived in the theory of "Spontaneous creation" assumed that:


27) The principle of sterilization is based upon experiment carried by:


28) The idea that in the egg of Eve or the sperm of Adam contained minute human was part of:


29) The first organisms to appear on earth were more like plants because:


30) Who of the following proved that life originated from simple amino acids:


31) In Stanley Miller's classic experiment:


32) Mitochondria contain particles made up of about 100 polypeptide molecules of several different types. The paritcles catalyze the production of acetyl Co A and carbon dioxide from pyruvate. When disassembled into the component polypeptides, no enzymatic activity is seen. These particles are examples of:


33) Which of the following is not true of the microspheres studied by Sydney Fox?


34) Coacervates maintained their entity with the help of:


35) Nucleotides, porphyrins, polypeptides and other bio-chemicals developed non-enzymatically in early broth due to:


36) Archaeospheroides barbertonesis is:


37) First eukaryotes evolved through:


38) The modern theory of origin of life is related to:


39) The primitive atmosphere of earth was devoid of:


40) According to cosmozoic theory, life comes on earth from other planets in space in the form of:


41) The scientist related with the theory of spontaneous generation and experiments with swan-necked flasks is:


42) Under certain conditions the scientists have obtained cell-like structures but not true organisation of a cell. These are referred to as:


43) Theory of Pangenesis is related to:


44) Anaximander believed in the origin of life through:


45) Spallanzani kept boiled nutrition broth indefinitely in:


46) The term protobiogenesis is used for theory of:


47) The correct sequence of origin of life is:


48) One of the following appeared on the earth with the coming of the plants, and was absent in the past:


49) Conditions of primitive earth were recreated in the laboratory and amino acids and bases were synthesized abiotically by:


50) The theory that living organisms on the earth came from outer space is based on the study of:


51) Life cannot originate from inorganic material at present because of:


52) Choose the correct sequence during the formation of chemicals on early earth:


53) "Origin of life" was written by:


54) Origin of life took place in / on:


55) Panspermia are:


56) Organic compounds first evolved on earth and required for origin of life were:


57) "All plants and animals were created and perpetuated themselves without any change", is the theory of:


58) Louis Pasteur is known for:


59) Which of the age of prokaryotic microbes?


60) Who said the "life originated from simple amino acids":


61) Stanley Lloyd Miller conducted an experiment to demontrate that simple organic molecules like amino acids could be produced if an electric discharge is passed through a mixture of such gases as might have been present in the atmospere of the early earth. The gaseous mixture used in the experiment comprised:


62) Who said that organisms develop from pre-existing organisms?


63) The most primitive cell-like chemical aggregates capable of growth and division were:


64) Russian scientist who proposed the theory of origin of life was:


65) Basis of life is:


66) Origin of life occurred in:


67) Most important compounds for origin of life was:


68) Earth originated in the past:


69) Who demonstrated that life comes from life with the help of flask with boiled froth?


70) Who did an experiment to prove that "organic compounds were the basis of life"?


71) Protobiogenesis occurred:


72) Possible early source of energy was:


73) One of the greatest advocates of the theory of special creation was:


74) Theory of spontaneous generation was supported by:


75) Most advanced theory of origin of life is that of:


76) First life on earth was:


77) On the primitive earth, polymers such as proteins and nucleic acids in aqueous suspension formed the spherical aggregates, they are called:


78) Swan-necked flask experiment was done by:


79) Early atmosphere contained methane and other hydrocarbons. They have now been replaced by:


80) Coacervates were experimentally produced by:


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


82) Which one of following experiments suggests that simplest living organisms could not have originated spontaneously from non-living matter?


83) One of the following plant has remained unchanged from the time of its origin:


84) Theory of special creation was supported by:


85) Oparin-Haldane theory of origin of life states that:


86) Miller conducted his experiment in an apparatus containing methane, ammonia and hydrogen in the ratio of:


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


88) The oldest surviving rocks, about 4.3 billion years old contain:


89) The oldest microfossils discovered so far are that of photosynthetic cyanobacteria that appeared:


90) Who is the founder of theory of biogenesis?


91) Protovirus is free:


92) Which theory proposes that universe had an explosive origin about 15 billion years ago?


93) In the book "Origin of Life" (1938) Oparin submitted:


94) The presence of which of the following indicates that conditions at the time of origin were non-oxygenic?


95) Select the important protobiont/(s):


96) Experiments of Urey-Miller yielded:


97) The first genetic code was based on:


98) Which of the following in 1860 disproved the spontaneous generation of bacteria from decomposing broth?


99) If protobionts were first formed, competition among them could not have led to evolution, because the most successful would not have been able to:


100) The greatest diversity of metabolism is found among the:


101) Primitive eukaryotes led to the evolution of:


102) Which of the following is correct?


103) Select the correct discovery:


104) The first living cell which evolved in primordial soup had the unique ability to produce:


105) Which of the following evolved first?


106) Abiogenesis means


107) Which of the following experiments suggests that simplest living organisms could not have originated spontaneously from non-living matter?


108) Select the correct statement -
I. Swan-necked flask experiment was done by Louis Pasteur.
II. The early belief of the spontaneous origin of life was disproved by Louis Pasteur.
III. Louis Pasteur is famous for germ theory of disease develop from per-existing.
IV. The idea that life originates from pre-existing life is referred as biogenesis theory.
V. Father Suarez was one of the greatest advocates of theory of special creation.
VI. Cosmozoic theory of the origin of life was proposed by Richter.
VII. The founder of 'theory of catastrophism' is Georges Cuvier.


109) About how long ago was the Earth formed


110) 'Modern theory of origin of life' was propounded by


111) The theory which explains the origin of life and is based upon experiments is


112) Oparin's theory of 'Origin of life' is based on


113) Chemical theory of origin of life was given by


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


115) Which one is the present today but was absent about 3 to 5 million years ago?


116) The basic components of atmosphere of primitive Earth were


117) There is no life on Moon due to the absence of


118) Life originated in the era


119) One of the possible early sources of energy was/were


120) Which compound has a very important role in prebiotic evolution?


121) The primitive Earth conditions were experimentally shown by


122) Stanley Miller proposed origin of life by


123) The first experiment on chemical evolution and origin of life was carried out by


124) Finding of Millers experiment on origin of life has provided evidence for


125) Stanley Miller conducted experiments in 1953 on prebiotic Earth environment using special apparatus. The primary surprising products were


126) Which of the following is formed in Stanley Millers classic experiment?


127) Which one of the following amino acids was not found to be synthesized in Miller's experiment?


128) Who performed an experiment to prove that organic compounds were the basis of life?


129) Origin of life as a result of chemical evolution was properly explained by


130) Miller synthesized simple amino acids from one of the following mixtures in an experiment


131) Life cannot originate from inorganic material at present because of


132) The presence of salts (NaCl and others) in the animal body fluids gives an inference that life originated in the


133) Droplet of phospholipid molecules formed in a liquid environment is called


134) On the primitive Earth, polymers such as proteins and nucleic acids in aqueous suspension formed the spherical aggregates. These are called


135) Which of the following evolved first?


136) Coacervates are


137) Coacervates were experimentally produced by


138) First cell produced on Earth is


139) The basis of life is


140) The simple organic compounds that may have first evolved in the direction of origin of life on the Earth must have been


141) The correct sequence of the substances appeared during the course of origin of life on earth was


142) It is believed that the organisms first inhabited Earth's surface were


143) Organisms which obtain energy by the oxidation of reduced inorganic compounds are called


144) Mark the correct statement in the following


145) Which was first photosynthetic organism?


146) The oldest eukaryotic fossil is


147) Coacervates belong to the category of


148) Select the wrong pair


149) The most primitive cell-like chemical aggregates capable of growth and division were


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


151) Mark the correct statement/option


152) The first form of life arose slowly through evolutionary forces from non-living molecules by


153) What did Miller and Urey use as a source of energy in their experiments?


154) 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.


155) Marsupials evolved from ancestral stock, but all within Australian continent. This represents


156) Flying squirrel and flying phalanger show


157) Dinosaurs suddenly disappeared from the earth about


158) The first true cellular form of life appeared on earth about


159) The coal deposits were formed by