NEET Biology Evolution Of Life Question Bank

done Self Evaluation Test - Evolution Total Questions - 74

• question_answer1)
  The Miller-Urey abiotic synthesis experiment  (and other subsequent, similar experiments) shows that:   
  A)
  simple organic  molecules  can  for spontaneously under conditions like those thought to prevail early in the earth's history. done clear
  B)
  The earliest life forms introduced large amounts of oxygen to the atmosphere. done clear
  C)
  Life can be created in a test tube. done clear
  D)
  Long chains of DNA can form under abiotic conditions. done clear
  View Solution play_arrow

• question_answer2)
  The atmosphere of early earth probably contained no\[{{O}_{2}}\]until the emergence of organisms that:
  A)
  Were chemoautotrophic. done clear
  B)
  Were oxygen-respiring. done clear
  C)
  Used hydrogen sulfide as a hydrogen source for photosynthesis. done clear
  D)
  Used water as a hydrogen source for photosynthesis. done clear
  View Solution play_arrow

• question_answer3)
  Which of the following has been basic material for the origin of life?
  A)
  Carbohydrates    done clear
  B)
                     Proteins done clear
  C)
  Nucleic acids     done clear
  D)
                     Nucleoproteins done clear
  View Solution play_arrow

• question_answer4)
  Miller synthesised simple amino acids from water vapours and mixtures containing:
  A)
  \[{{H}_{2}},{{O}_{2,}}{{N}_{2}}\](1:2:1) done clear
  B)
  \[{{H}_{2}},{{O}_{2,}}{{N}_{2}}\](2: 1:2) done clear
  C)
  \[C{{H}_{4}},N{{H}_{3,}}{{H}_{2}}\](2:1:2) done clear
  D)
  \[C{{H}_{4}},N{{H}_{3,}}{{H}_{2}}\](1:2:1) done clear
  View Solution play_arrow

• question_answer5)
  The most primitive cell-like chemical aggregates capable of growth and division were:
  A)
  Chemoautotrophs done clear
  B)
                    Eobionts done clear
  C)
  Prokaryotes      done clear
  D)
                     Microspheres done clear
  View Solution play_arrow

• question_answer6)
  Under certain conditions scientists have obtained cell-like structures. These are known as:
  A)
  Prebiotic soup    done clear
  B)
                     Coacervates done clear
  C)
  Protists          done clear
  D)
                     Microbes done clear
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• question_answer7)
  A population of organisms has a gene for which there are two alleles, D and d. The allele frequency of D = 0.8. If this population satisfies all five of the Hardy-Weinberg conditions, what are the genotype frequencies that are expected in the next generation?
  A)
  DD = 0.04; Dd = 0.32; dd = 0.64 done clear
  B)
  DD = 0.64; Dd = 0.32; dd = 0.64 done clear
  C)
  DD = 0.04; Dd= 0.64; dd= 0.32 done clear
  D)
  DD = 0.64; Dd = 0.32; dd = 0.04 done clear
  View Solution play_arrow

• question_answer8)
  What was the earliest hominid to have an enlarged brain (relative to body size)?
  A)
  Neanderthal     done clear
  B)
                     Homo habilis done clear
  C)
  Australopithecus done clear
  D)
                     Homo erectus done clear
  View Solution play_arrow

• question_answer9)
  Which characteristic of living monkeys suggests that the earliest anthropoids were monkey-like?
  A)
  All monkeys lack tails, like prosimians. done clear
  B)
  All monkeys are arboreal, like prosimians. done clear
  C)
  Like prosimians, monkeys rely more on smell than on eyesight for finding food and avoiding predators. done clear
  D)
  Of all the anthropoids, monkeys have brains that are most similar in size (relative to body size) to those of prosimians. done clear
  View Solution play_arrow

• question_answer10)
  The earliest primates were most similar to modem:
  A)
  Arboreal prosimians done clear
  B)
  Arboreal anthropoids done clear
  C)
  Ground-dwelling anthropoids done clear
  D)
  Ground-dwelling prosimians done clear
  View Solution play_arrow

• question_answer11)
  Australopithecus was the first of our ancestors known to:
  A)
  Move out of Africa and spread throughout Eurasia. done clear
  B)
  Have definitely diverged from the apes. done clear
  C)
  Leave written records. done clear
  D)
  Have a brain size equal to or larger than ours. done clear
  View Solution play_arrow

• question_answer12)
  Following is the diagrammatic representation of the operation of natural selection of different traits. Which of the following options correctly identifies all the three graphs A, B and C.
  A)

  A	B	C
  Directional	Stabilising	Disruptive

    done clear
  B)

  Stabilising

  Directional

  Disruptive

    done clear
  C)

  Disruptive

  Stabilising

  Directional

    done clear
  D)

  Directional

  Disruptive

  Stabilising

    done clear
  View Solution play_arrow

• question_answer13)
  Match column-I with column-II and select the correct option.

  	Column-I		Column-II
  A.	Saltation	I.	Darwin
  B.	Formation of life was preceded	II.	Louis Pasteur
  C.	Reproductive fitness	III.	De Vries
  D.	Life comes from pre-existing life	IV.	Oparin and haldance

  A)
  A-III;    B-IV;   C-I;   D-II done clear
  B)
  A-IV;   B-III;   C-II;   D-I done clear
  C)
  A-II;    B-III;    C-I;    D-IV done clear
  D)
  A-I;     B-IV;   C-III;  D-II done clear
  View Solution play_arrow

• question_answer14)
  Which of the following is/are incorrect about Neanderthal man?

  (i) Had large brain around 900 c.c.

  (ii) Lived in near east and central Asia between 100000-40000 years back.

  (iii) Used hides to protect their body and buried their dead.

  (iv) Had no religious feeling.

  A)
  All of these                                 done clear
  B)
  None of these     done clear
  C)
  (i) and (iv)    done clear
  D)
                     (ii) and (iii)       done clear
  View Solution play_arrow

• question_answer15)
  Coloured rock-paintings were presumably first made by:
  A)
  Cro-Magnon man done clear
  B)
                     Neanderthal man done clear
  C)
  Java ape-man done clear
  D)
                     Peking man done clear
  View Solution play_arrow

• question_answer16)
  Man differs from apes in having:
  A)
  Legs longer than arms. done clear
  B)
  Protruding jaws. done clear
  C)
  Grasping hands. done clear
  D)
  Poorly developed forehead. done clear
  View Solution play_arrow

• question_answer17)
  Man who first built huts and burried the dead with ceremonies are:
  A)
  Java man        done clear
  B)
                     Neanderthal done clear
  C)
  Cro-Magnon    done clear
  D)
                     Peking man done clear
  View Solution play_arrow

• question_answer18)
  The presence of which one of the following was absolutely essential for the development of the first life forms?            
  A)
  Heat produced by a planet whose surface was still warm. done clear
  B)
  A reducing atmosphere. done clear
  C)
  Volcanoes spewing forth various gases. done clear
  D)
  UV light. done clear
  View Solution play_arrow

• question_answer19)
  Both prokaryotic and eukaryotic fossils are found in:
  A)
  Azoic                                         done clear
  B)
  Coenozic done clear
  C)
  Proterozoic       done clear
  D)
                     Archaeozoic done clear
  View Solution play_arrow

• question_answer20)
  Desulfovibrio is a bacterium that breaks down organic matter which it must have and uses sulphate not oxygen as an electron acceptor. As a result, it produces hydrogen sulphide (\[{{H}_{2}}S\]), accounting for the 'rotten egg' smell of swamp muck. Oxygen is a deadly poison to Desulfovibrio. We would call Desulfovibrio a(n):
  A)
  facultatively anaerobic chemoautotroph. done clear
  B)
  obligately anaerobic chemoheterotroph. done clear
  C)
  facultatively aerobic chemoheterotroph. done clear
  D)
  obligately anaerobic chemoautotroph. done clear
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• question_answer21)
  The first ribozyme was found in:
  A)
  Nuclear gene for a DNA replicating enzyme. done clear
  B)
  Mitochondrial gene for a respiratory enzyme. done clear
  C)
  mRNA for a mitochondrial enzyme. done clear
  D)
  An intron within a pre-rRNA molecule. done clear
  View Solution play_arrow

• question_answer22)
  Homo habilis was the first of our ancestors to:
  A)
  Have a brain size equal to (or larger than) ours. done clear
  B)
  Leave written records. done clear
  C)
  Use tools. done clear
  D)
  Have definitely diverged from the apes. done clear
  View Solution play_arrow

• question_answer23)
  The similarity of mitochondrial DNA among different human races suggests that the races:
  A)
  All arose from a single ancestral population. done clear
  B)
  Are closely related to chimpanzees. done clear
  C)
  Share no recent common ancestor. done clear
  D)
  Arose from distinct ancestral populations. done clear
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• question_answer24)
  The finches of Galapagos islands provide an evidence in favour of:
  A)
  Evolution due to mutation. done clear
  B)
  Retrogressive evolution. done clear
  C)
  Biogeographical evolution. done clear
  D)
  Special creation. done clear
  View Solution play_arrow

• question_answer25)
  The shape of the heals of Darwins finches, industrial melanism, or the changes in horse teeth are all examples of:
  A)
  Artificial selection done clear
  B)
  Natural selection done clear
  C)
  Convergent evolution done clear
  D)
  Homologous structures done clear
  View Solution play_arrow

• question_answer26)
  Choose the incorrect statement regarding Hardy-Weinberg principle.
  A)
  Allele frequencies in a population are stable and constant from generation to generation. done clear
  B)
  Sum total of all the allelic frequencies in a population is 1. done clear
  C)
  Variation due to genetic drift results in changed frequency of genes and alleles in future generations. done clear
  D)
  Genetic recombination helps in maintaining Hardy-Weinberg equilibrium. done clear
  View Solution play_arrow

• question_answer27)
  Which of the following pairs of terms is not related?
  A)
  Evolution                   - Natural selection done clear
  B)
  Vestigial structure       - Appendix. done clear
  C)
  Analogous structures   - Butterfly wings done clear
  D)
  Adaptive radiations     - Vertebrates hearts or brains          done clear
  View Solution play_arrow

• question_answer28)
                       What was the most significant trend in the evolution of modem man (Homo sapiens) from his ancestors?            
  A)
  Shortening of jaws.    done clear
  B)
  Binocular vision. done clear
  C)
  Increasing cranial capacity. done clear
  D)
  Upright posture. done clear
  View Solution play_arrow

• question_answer29)
  Trilobite is an extinct:
  A)
  Mammal        done clear
  B)
                     Reptile done clear
  C)
  Mollusc                                      done clear
  D)
  Arthropod done clear
  View Solution play_arrow

• question_answer30)
  The tendency of population to remain in genetic equilibrium may be disturbed by:   
  A)
  Random mating  done clear
  B)
       Lack of immigration    done clear
  C)
  Lack of mutations done clear
  D)
  Lack of random mating done clear
  View Solution play_arrow

• question_answer31)
  Which one of the following supports the 'multi- regional' hypothesis of the origin of mode humans from archaic Homo sapiens?
  A)
  The high variability of nuclear DNA in some modem Africans. done clear
  B)
  The uniformity in mtDNA among modem human populations. done clear
  C)
  The oldest known fossils of modem Homo sapiens have been found in Africa. done clear
  D)
  The existence of distinctive human races. done clear
  View Solution play_arrow

• question_answer32)
  In human evolution, which of the following occurred before the switch to walking upright?
  A)
  Tool use            done clear
  B)
  Mastery of fire     done clear
  C)
      Spoken language done clear
  D)
  Enhanced grasping ability done clear
  View Solution play_arrow

• question_answer33)
  Which is thought to be the first hominid to use fire?
  A)
  Homo erectus done clear
  B)
  Homo habilis done clear
  C)
  Australopithecus africanus done clear
  D)
  The Neanderthals done clear
  View Solution play_arrow

• question_answer34)
  The ultimate source of all genetic variation is:
  A)
  Natural selection done clear
  B)
  Genetic drift done clear
  C)
  Sexual recombination done clear
  D)
  Mutation done clear
  View Solution play_arrow

• question_answer35)
  Select the correct order of geological time scale of earth.
  A)
  Palaeozoic \[\to \] Archaeozoic \[\to \] Coenozoic done clear
  B)
  Archaeozoic \[\to \] Palaeozoic \[\to \] Proterozoic done clear
  C)
  Palaeozoic \[\to \] Mesozoic \[\to \] Coenozoic done clear
  D)
  Mesozoic \[\to \] Archaeozoic \[\to \] Proterozoic done clear
  View Solution play_arrow

• question_answer36)
  Which of the following is a correct?
  A)
  Homo erectus lived in east and central Asia and used hides to protect their bodies. done clear
  B)
  Agriculture came around 18000 years back. done clear
  C)
  The skull of modem human resembles more closely to baby chimpanzee than to adult chimpanzee. done clear
  D)
  All of the above done clear
  View Solution play_arrow

• question_answer37)
  The diversity within the wild bird species in the diagram below can best be explained by which process?            
  A)
  Natural selection  done clear
  B)
                    Ecological succession   done clear
  C)
  Adaptive radiation                      done clear
  D)
  Both [a] and [c] done clear
  View Solution play_arrow

• question_answer38)
  Coacervates belongs to which of the following categories?
  A)
  Cyanobacteria done clear
  B)
  Protozoans done clear
  C)
  Molecular aggregate with lipid bilayer. done clear
  D)
  Molecular aggregate which lack definite lipid membrane. done clear
  View Solution play_arrow

• question_answer39)
  Which one of the following amino acids was not found to be synthesised in Miller's experiment?
  A)
   Alanine          done clear
  B)
                     Glycine done clear
  C)
   Aspartic acid                             done clear
  D)
  Glutamic acid done clear
  View Solution play_arrow

• question_answer40)
  How has the free \[{{O}_{2}}\] been released into the earth's atmosphere as there was no free \[{{O}_{2}}\] at the time of origin of life?     
  A)
  By catabolic activity of animals done clear
  B)
  By photosynthetic activity done clear
  C)
  By heating of the earth done clear
  D)
  None of the above done clear
  View Solution play_arrow

• question_answer41)
  The first formed organism (riboorganism) used only........for catalysing reactions.
  A)
   DNA                                        done clear
  B)
  Amino acids done clear
  C)
   Fatty acids       done clear
  D)
                     RNA done clear
  View Solution play_arrow

• question_answer42)
  Read the following three statements (i-iii) and mark the right option.

  (i) The thorns in Bougainvillea and tendrils in cucurbits represent divergent evolution.

  (ii) The similarity in the eyes of Octopus and monkeys is the result of convergent evolution.

  (iii) The potato and sweet potato are the examples of homology.

  A)
  (i) and (ii)   done clear
  B)
                     (ii) and (iii) done clear
  C)
  (i) and (iii)       done clear
  D)
                     Only (i) is done clear
  View Solution play_arrow

• question_answer43)
  Identify the incorrect statements regarding origin of life:

  (i) Swan-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 Catasrophism was given by Georges Cuvier.

  A)
  (i), (ii) and (iv) done clear
  B)
  (i), (ii), and (v) done clear
  C)
  (i), (ii), (iii), (iv) and (v) done clear
  D)
  None of the above done clear
  View Solution play_arrow

• question_answer44)
  Match the evolution concepts given in column-I with their description given in column-II and select the correct answer.

  	Column-I		Column-II
  A.	Mutation	I.	Change in population?s allele frequencies due to chance alone.
  B.	Gene flow	II.	Differences is survival and reproduction among variant individuals.
  C.	Natural selection	III.	Immigration, emigration change allele frequencies.
  D.	Genetic drift	IV.	Source of new alleles.

  A)
  A-I;      B-II;    C-III;   D-IV done clear
  B)
  A-IV;   B-II;    C-III;   D-I done clear
  C)
  A-III;    B-I;     C-IV;   D-II done clear
  D)
  A-IV;   B-III;   C-II;    D-I done clear
  View Solution play_arrow

• question_answer45)
  Sita saw an old Tarzan movie on television. The movie supposedly took place in Africa, but Trina easily spotted that it was not really filmed there. Which of the following could have tipped her off?                    
  A)
  Chimps like Cheetah do not live in Africa. done clear
  B)
  The monkeys in the jungle all had prehensile tails. done clear
  C)
  There were no lemurs shown in the forest. done clear
  D)
  Tarzan wrestled with a gorilla. done clear
  View Solution play_arrow

• question_answer46)
  Evolutionary convergence is characterised by:
  A)
  Development of dissimilar characteristics in closely related groups. done clear
  B)
  Development of common set of characteristics in groups of different ancestory. done clear
  C)
  Development of characteristics by random mating. done clear
  D)
  Replacement of common characteristics in different groups. done clear
  View Solution play_arrow

• question_answer47)
  The given figure shows an example of:
  A)
  Homologous organs done clear
  B)
  Convergent evolution done clear
  C)
  Divergent evolution done clear
  D)
  Both [a] and [c] done clear
  View Solution play_arrow

• question_answer48)
  A new species is formed when:
  A)
  An individual with a new genotype is formed due to exchange of chromosome segments   during   crossing-over   in gametogenesis. done clear
  B)
  Genotypic changes accumulate in a population resulting in its reproductive isolation. done clear
  C)
  Variants with new phenotypes are produced due to new combinations of genes during reproduction. done clear
  D)
  Homologous chromosomes exchange segments   during   crossing-over   in gametogenesis. done clear
  View Solution play_arrow

• question_answer49)
  Ancestor of man who first stood erect was:
  A)
  Australopithecus done clear
  B)
                     Java ape man done clear
  C)
  Peking man      done clear
  D)
                     Cro-Magnon done clear
  View Solution play_arrow

• question_answer50)
  Cro-Magnon man was:
  A)
  Carnivorous      done clear
  B)
                     Omnivorous done clear
  C)
  Herbivorous      done clear
  D)
                     Frugivorous done clear
  View Solution play_arrow

• question_answer51)
  Diversity in the type of beaks of finches adapted to different feeding habits on the Galapagos Islands, as observed by Darwin. This provides evidence for:
  A)
  Intraspecific variations done clear
  B)
  Intraspecific competition done clear
  C)
  Interspecific competition done clear
  D)
  Origin of Species by natural selection done clear
  View Solution play_arrow

• question_answer52)
  When two species of different genealogy come to resemble each other as a result of adaptation, the phenomenon is termed as _____.
  A)
  Convergent evolution                   done clear
  B)
  Divergent evolution done clear
  C)
  Microevolution                            done clear
  D)
  Co-evolution done clear
  View Solution play_arrow

• question_answer53)
  Evolution is a:
  A)
  Progressive development of a race. done clear
  B)
  History and development of a race along with variations.    done clear
  C)
  History of a race.     done clear
  D)
  Development of a race. done clear
  View Solution play_arrow

• question_answer54)
  One of the important consequences of geographical isolation is:
  A)
  Random creation of new species. done clear
  B)
  No change in the isolated fauna. done clear
  C)
  Preventing speciation. done clear
  D)
  Speciation through reproductive isolation. done clear
  View Solution play_arrow

• question_answer55)
  A geneticist mixed together many different kinds of fruit flies-some with long wings, some with short wings, some with red eyes, some with .brown eyes, and so on. He allowed the flies to feed, mate randomly, and reproduce by the millions. After many generations, most of the flies in the population had medium wings and red eyes, and most of the extreme types had disappeared. This experiment appears to demonstrate:         
  A)
  Stabilising selection done clear
  B)
  Geographic variation done clear
  C)
  Diversifying selection done clear
  D)
  Genetic drift done clear
  View Solution play_arrow

• question_answer56)
  Most biologists think that RNA was the first genetic material because:
  A)
  Amino acids were produced in Stanley Miller's apparatus. done clear
  B)
  DNA is the universal genetic material of eukaryotes. done clear
  C)
  Existence of ribozymes suggests RNA was used to catalyse chemical reations. done clear
  D)
  RNA is simpler than DNA. done clear
  View Solution play_arrow

• question_answer57)
  In primordial atmosphere, when the living, organism evolved, the respiration process was:
  A)
  Anaerobic as it released more energy. done clear
  B)
  Aerobic as it was more complex. done clear
  C)
  Aerobic as it released more energy. done clear
  D)
  Anaerobic because early atmosphere contained little or no oxygen. done clear
  View Solution play_arrow

• question_answer58)
  Reproductive isolation can occur in a number of ways, but the net effect is always the same in that:
  A)
  Hybridisation must take place before new species can form. done clear
  B)
  It causes geographic isolation between organisms. done clear
  C)
  The rate of speciation slows down. done clear
  D)
  Few or no genes flow between populations. done clear
  View Solution play_arrow

• question_answer59)
  Reproductive isolation is to speciation as selection is to:
  A)
  Adaptive evolution                      done clear
  B)
  Hybridisation done clear
  C)
  Ecological isolation                      done clear
  D)
  Polyploidy done clear
  View Solution play_arrow

• question_answer60)
  What is observed in evolution?
  A)
  A sudden change occurring in a population. done clear
  B)
  Progeny with modifications. done clear
  C)
  It is a discontinuous process. done clear
  D)
  All of the above done clear
  View Solution play_arrow

• question_answer61)
  The evolution occurring at a genetic level is called:
  A)
  Macroevolution                           done clear
  B)
  Megaevolution done clear
  C)
  Inorganic evolution done clear
  D)
  Microevolution done clear
  View Solution play_arrow

• question_answer62)
  Identify the correct conclusion regarding the given statements.

  (i) There are patterns in the fossil record that suggest other species have diverged from a single ancestor species.

  (ii) There are biogeographic patterns in the distribution of species, for instance distinct bird species on an island tend to resemble one another, suggesting a common ancestor.

  (iii) There are common stages in the early embryological development of organisms representing several distinct vertebrate groups.

  (iv) Anatomical structures, such as forelimbs, in different groups appear to be modified versions of structures that might have been present in a common ancestor.

  A)
  These are the example of a macro evolutionary process. done clear
  B)
  They are the evidences for Lamarck's theory of inheritance. done clear
  C)
  They are the evidences for Darwin's theory of common descent done clear
  D)
  They are the examples of natural selection which occurs within populations, where artificial selection does not occur. done clear
  View Solution play_arrow

• question_answer63)
  Select the correct statement(s).

  (i) Adaptative ability is inherited.

  (ii) Adaptative ability has a genetic basis.

  (iii) Fitness is the end result of the ability to adapt and get selected by nature.

  A)
  (i), (ii) and (iii)                            done clear
  B)
  None of these done clear
  C)
  Only (i) and (iii) done clear
  D)
                     Only (ii) done clear
  View Solution play_arrow

• question_answer64)
  Match the column-I with column-II and select the correct option.

  	Column-I (Name of the Scientist)		Column-II (Contributions)
  A.	Charles Darwin	I.	Mutation theory
  B.	Lamarck	II.	Germ plasm theory
  C.	Hugo De Vries	III.	Philosophie Zoologique
  D.	Ernst Haeckel	IV.	The Origin of species
  E.	August Weismann	V.	Biogenetic law
  F.		VI.	Essay on population

  A)
  A-IV;     B-III;    C-I;    D-V;    E-II done clear
  B)
  A-IV;     B-III;    C-V;   D-I;     E-VI done clear
  C)
  A-IV;      B-VI;    C-V;   D-III;   E-I done clear
  D)
  A-II;       B-III;     C-I;     D-V;   E-II done clear
  View Solution play_arrow

• question_answer65)
  The diagram (A and B) given below shows the skull of two different mammals. Which of the following accurately describes the differences between these skulls?
  A)
  Skull A has more teeth than skull B. done clear
  B)
  Skull A has more brain capacity than skull B. done clear
  C)
  Skull A is of a human and skull B is of an ape. done clear
  D)
  Skull A is of an ape and skull B is of human. done clear
  View Solution play_arrow

• question_answer66)
  More recent prebiotic simulations in the lab mimic conditions found in ________.
  A)
  Deep sea hydrothermal vents done clear
  B)
  Shallow ponds done clear
  C)
  Underside of sea ice done clear
  D)
  All of the above. done clear
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• question_answer67)
  Consider a population with a total of 500 alleles for a specific gene. How many individuals are in this population?    
  A)
  1000                                         done clear
  B)
  500 done clear
  C)
  250           done clear
  D)
  125 done clear
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• question_answer68)
  If a guppy species found in a stream is placed in a lake, its colour will evolve rapidly from colourful to drab over as few as 10 generations because of the:
  A)
  Lack of food. done clear
  B)
  Presence of additional predators in the lake. done clear
  C)
  Temperature of the air. done clear
  D)
  Taste of the water. done clear
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• question_answer69)
  The smallest unit that can evolve, is a:
  A)
  Species          done clear
  B)
                     Genotype done clear
  C)
  Gene                                         done clear
  D)
  Population done clear
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• question_answer70)
  Most modem breeds of domestic dogs are evolved by:
  A)
  Natural selection done clear
  B)
  Artificial selection done clear
  C)
  Sexual selection done clear
  D)
  Reproductive isolation done clear
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• question_answer71)
  The theory of natural selection, proposed by Darwin to explain Organic Evolution was based on:
  A)
  Modifications of organs through use and disuse. done clear
  B)
  Enormous rate of reproduction, struggle for existence and survival of the fittest. done clear
  C)
  Inheritance of acquired characters. done clear
  D)
  Appearance of sudden large variations, inheritance and survival of those having these variations. done clear
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• question_answer72)
  Suppose that a new fossil hominid is discovered. What criterion can be used to determine where in the human evolutionary lineage this new fossil belongs?        
  A)
  Brain size        done clear
  B)
                     Tooth structure done clear
  C)
  Foot structure                             done clear
  D)
  All of these done clear
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• question_answer73)
  The given figure provides an example of:
  A)
  Convergent evolution                   done clear
  B)
  Parallel evolution done clear
  C)
  Recapitulation done clear
  D)
                     Divergent evolution done clear
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• question_answer74)
  Which of the following is correct statement?
  A)
  Life originated in mesozoic era. done clear
  B)
  Earth was formed about 4.6 million years ago. done clear
  C)
  1st living organism in Primitive Ocean was coacervate. done clear
  D)
  Homologous organs show divergent evolution. done clear
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