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 Multiple Choice QuestionsMultiple Choice Questions

1.

Convergent Evolution' is shown by

  • homologous organs

  • analogous organs

  • vestigial organs

  • all of the above


2.

Which of the following statements is correct

  • Lion and leopard show convergent evolution.

  • Cryptic camouflage is seen in Biston betularia

  • Natural selection is responsible for extinction of dinosaurs.

  • Homo habilis and Homo erectus are closely related.


3.

Analogous structures are a result of

  • convergent evolution

  • shared ancestry

  • stabilising selection

  • stabilising selection

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4.

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

  • Wing of a moth

  • Hind limb of a rabbit

  • Flipper of whale

  • Flipper of whale

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5.

Following are the two statements regarding the origin of life

I. The earliest organisms that appeared on the earth were non-green and presumably anaerobes.
II. The first autotrophic organisms were the chemoautotrophs that never released oxygen.

Of the above statement which one of the following options is correct?

  • II is correct but I is false

  • Both I and II are correct

  • Both I and II are false

  • Both I and II are false

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6.

The process by which organisms with different evolutionary history evolve similar to a common environmental challenge is called 

  • natural selection

  • convergent evolution

  • non-random evolution

  • non-random evolution

530 Views

7.

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

  • random mating

  • lack of migration

  • lack of mutations

  • lack of mutations

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8.

According to Darwin, the organic evolution is due to

  • intraspecific competition

  • interspecific competition

  • competition within closely related species

  • competition within closely related species

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9.

Select the wrong statement:

  • the viroids were discovered by D.J. Ivanowski

  • W.M. Stanley showed that viruses could be crystallized

  • The term 'contagium vivum fluidum' was conined by M.W. Beijerinek

  • The term 'contagium vivum fluidum' was conined by M.W. Beijerinek

781 Views

10.

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

  • homologous structures and represent divergent evolution

  • analogous structures and represent convergent evolution

  • phylogenetic structures and represent divergent evolution

  • phylogenetic structures and represent divergent evolution

712 Views

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