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
