NEET Biology - New - Evolution

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Question - 1

The similarity of bone structure in the forelimbs of many vertebrates is an example of:

  • A Convergent evolution
  • B Analogy
  • C Homology
  • D Adaptive radiation

Question - 2

Which of the following is the correct sequence of events in the origin of life?
(I) Formation of protobionts
(II) Synthesis of organic monomers
(III) Synthesis of organic polymers
(IV) Formation of DNA-based genetic systems                                                                                                                                          

  • A I, II, III, IV
  • B I, III, II, IV
  • C II, III, I, IV
  • D II, III, IV,I

Question - 3

Analogous structures are a result of:

  • A Convergent evolution
  • B Shared ancestry
  • C Stabilizing selection
  • D Divergent evolution

Question - 4

Which of the following structures is homologous to the wing of a bird?

  • A Wing of a moth
  • B Hind limb of rabbit
  • C Flipper of whale
  • D Dorsal fin of a shark

Question - 5

The wings of a bird and the wings of an insect are:

  • A Homologous structures and represent divergent evolution
  • B Analogous structures and represent convergent evolution
  • C Phylogenie structures and represent divergent evolution
  • D Homologous structures and represent convergent evolution

Question - 6

Artificial selection to obtain cows yielding higher milk output represents:

  • A stabilizing selection as it stabilizes this character in the population
  • B directional as it pushes the mean of the character in one direction
  • C disruptive as it splits the population into two, one yielding higher output and the other lower output
  • D stabilizing followed by disruptive as it stabilizes the population to produce higher-yielding cows

Question - 7

In Hardy-Weinberg equation, the frequency of heterozygous individual is represented by:

  • A p2
  • B 2pq
  • C pq
  • D q2

Question - 8

The tendency of population to remain in genetic equilibrium may be disturbed by

  • A Random mating
  • B Lack of migration
  • C Lack of mutations
  • D Lack of random mating

Question - 9

The chronological order of human evolution from early to the recent is:

  • A Australopithecus ~> Ramapithecus ~> Homo habilis ~> Homo erectus
  • B Ramapithecus ~> Australopithecus ~> Homo habilis ~> Homo erectus
  • C Ramapithecus ~> Homohabilis ~> Australopithecus ~> Homo erectus
  • D Australopithecus ~> Homo habilis ~> Ramapithecus ~> Homo erectus

Question - 10

The extinct human who lived 1,00,000 to 40,000 years ago, in Europe, Asia and parts of Africa with short stature, heavy eyebrows, retreating foreheads, large jaws with heavy teeth, stocky bodies, a Wembering gait and stooped posture was:

  • A Homo habilis
  • B Cro-magnon humans
  • C Neanderthal human
  • D Ramapithecus