Evolution MCQ Questions for Class 12 Biology Chapter 7 with Answers

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NCERT MCQ Chapters for Class 12 Biology


Q1. Early at mosphere contained methane and other hydrocarbons. They have been now replaced by

(A) nitrogen
(B) oxygen
(C) carbon dioxide
(D) hydrogen.


(C) carbon dioxide


Q2. Analogous organs arise due to

(A) divergent evolution
(B) artificial selection
(C) genetic drift
(D) convergent evolution.


(D) convergent evolution.


Q3. According to Oparin, which one of the following was not present in the primitive atmosphere of the earth ?

(A) Methane
(B) Oxygen
(C) Hydrogen
(D) Water vapour


(B) Oxygen


Q4. ncestor of man who first time showed bipedal movement

(A) Cro-magnon
(B) Australopithecus
(C) Java apeman
(D) Peking man


(B) Australopithecus


Q5. Variations during mutations of meiotic re-combinations are

(A) random and directionless
(B) random and directional
(C) random and small
(D) random, small and directional.


(A) random and directionless


Q6. Select the correct statement from the following options.

(A) Mutations are random and directional.
(B) Darwinian variations are small and direction less.
(C) Fitness is the end result of the ability to adapt and get selected by nature.
(D) All mammals have evolved vivipary as an adaptation.


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


Q7. ame of the scientist who gave Mutation Theory :

(A) Wallace
(B) Mathus
(C) Darwin
(D) De Vries


(D) De Vries


Q8. The bones of forelimbs of whale, bat, cheetah and man are similar in structure, because

(A) one organism has given rise to another
(B) they share a common ancestor
(C) they perform the same function
(D) the have biochemical similarities.


(B) they share a common ancestor


Q9. Who proposed that the first form of the could have come from pre-existing non-living organic molecules ?

(A) S.L. Miller
(B) Oparin and Haldane
(C) Charles Darwin
(D) Alfred Wallace


(B) Oparin and Haldane


Q10. Evolutionary history of an organism is known as:

(A) Ontogeny
(B) Phytogeny
(C) Ancestry
(D) Palaentolgy


(B) Phytogeny


Q11. Wings of Butterfly and birds are:

(A) Vestigial organs
(B) Analogous organs
(C) Homologous organs
(D) Both (A) and (B)


(B) Analogous organs


Q12. Palaentological evidences for evolutaion refer to the

(A) development of embryo
(B) homologous organs
(C) fossils
(D) analogous organs.


(C) fossils


Q13. Fossils are generally found in

(A) Sedimentary rocks
(B) Igneous rocks
(C) Metamorphic rocks
(D) Any type of rock.


(A) Sedimentary rocks


Q14. Thorn of Bougainvillea and tendril of cucurbita are example of

(A) analogous organs
(B) homologous organs
(C) vestigial organs
(D) retrogressive evolution


(B) homologous organs


Q15. On which continent maximum fossils of prehistoric man have been found :

(A) Africa
(B) Europe
(C) Asia
(D) America


(A) Africa


Q16. Change of frequency of alleles in a population results in evolution. This statement is proposed in

(A) Darwin’s theory
(B) Lamarck’s theory
(C) Hardy-Weinberg principle
(D) de Vries theory.


(C) Hardy-Weinberg principle


Q17. Abiogenesis theory of origin supports

(A) spontaneous generation
(B) origin of life from blue-green algae
(C) origin of life is due to pre-existing organisms
(D) organic evolution is due to chemical reactions.


(A) spontaneous generation


Q18. Animal husbandry and plant breeding programmes are the examples of

(A) reverse evolution
(B) artificial selection
(C) mutation
(D) natural selection.


(B) artificial selection


Q19. The biogenetic law of Haeckel is:

(A) Ominis vivum-e-eellula
(B) Omminis cellula-e-cellula
(C) Ontogeny repeats phytogeny
(D) Phytogeny repeats ontogeny


(C) Ontogeny repeats phytogeny


Q20. As per Neo-Darwinism, which is mainly responsible for evolution?

(A) Mutation
(B) Natural drift
(C) Both of these
(D) All of these


(B) Natural drift


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