Evolutions CBSE Class 12 Biology MCQ Questions with Answer Keys

If you are preparing for CBSE Class 12 Board Exam Term 1 which will be an objective type questions paper, then you need to practice multiple choice questions of Class 12 Biology Chapterwise. In this article of AKVTutorials, you will get Evolutions CBSE Class 12 Biology MCQ Questions with Answer Keys

Evolutions MCQ Questions for Class 12 Question No 11:

Which of the following had the smallest brain capacity?

Option A : Homo hanilis

Option B : Homo eretus

Option C : Homo saplens

Option D : Homo neandertalensis

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Option A : Homo hanilis

Evolutions MCQ Questions for Class 12 Question No 12:

Which one of the following are analogous structure?

Option A : Thorns of Bougainvillea and Tendrils of Cucurbita

Option B : Flippers of Dolphin and Legs of Horse

Option C : Wings of Bat and Wings of Pigeon

Option D : Gills of Prawn and Lungs of Man

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Option C : Wings of Bat and Wings of Pigeon

Evolutions MCQ Questions for Class 12 Question No 13:

Forelimbs of cat, lizard used in walking: forelimbs of whale used in swimming and forelimbs of bats used in flying an example of

Option A : Homologous organs

Option B : Convergent evolution

Option C : Analogous organs

Option D : Adaptive radiation

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Option A : Homologous organs

Evolutions MCQ Questions for Class 12 Question No 14:

Atmosphere of earth just before the origin of life consisted of

Option A : Water vapours, CH4, NH3 and Oxygen

Option B : CO2, NH3 and CH4

Option C : H2, NH3, CH4 and Water vapour

Option D : CH4, O3, O2 and Water vapour

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Option C : H2, NH3, CH4 and Water vapour

Evolutions MCQ Questions for Class 12 Question No 15:

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

Option A : Homologous structures and represent convergent evolution

Option B : Homologous structures and represent divergent evolution

Option C : Analogous structures and represent convergent evolution

Option D : Phylogenetic structures and represent divergent evolution

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Option C : Analogous structures and represent convergent evolution

Evolutions MCQ Questions for Class 12 Question No 16:

The eye of octopus and eye of cat show different patterns of structure, yet they perform similar function. This is an example of

Option A : Homologous organs that have evolved due to convergent evolution

Option B : Homologous organs that have evolved due to divergent evolution

Option C : Analogous organs that have evolved due to convergent evolution

Option D : None

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Option C : Analogous organs that have evolved due to divergent evolution

Evolutions MCQ Questions for Class 12 Question No 17:

According to Darwin, the organic evolution is due to

Option A : Intraspecific competition

Option B : Interspecific competition

Option C : Competition within closely related species

Option D : Reduced feeding efficiency in one species due to the presence of interfering species

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Option B : Interspecific competition

Evolutions MCQ Questions for Class 12 Question No 18:

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

Option A : Random mating

Option B : Lack of migration

Option C : Lack of mutations

Option D : Lack of random mating

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Option D : Lack of random mating

Evolutions MCQ Questions for Class 12 Question No 19:

The process by which organisms with different evolutionary history evolve similar phenotypic adaptations in response to a common environmental challenge, is called

Option A : Natural selection

Option B : Convergent evolution

Option C : Non-random evolution

Option D : Adaptive radiation

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Option B :Convergent evolution

Evolutions MCQ Questions for Class 12 Question No 20:

An evolutionary pattern characterized by a rapid increase in number of kids of closely related species is called

Option A : Divergent evolution

Option B : Convergent evolution

Option C : Adaptive radiation

Option D : Parallel evolution

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Option C : Adaptive radiation

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