Class 12 Biology - Chapter 7: Evolution MCQ Questions

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Question 1

Variations during mutations of meiotic re-combinations are

A random, small and directional.

B random and small

C random and directional

D random and directionless

Question 2

Viviparity is considered to be more evolved because

A the embryo takes a long time to develop.

B the young ones are protected inside the motherâ€™s body and are looked after they are born leading to more chances of survival

C the young ones are protected by a thick shell

D the young ones are left on their own

Question 3

Evolution of life shows that life forms had a trend of moving from

A water to land.

B fresh water to sea water

C dry land to wet land

D land to water

Question 4

Analogous organs arise due to

A convergent evolution.

B genetic drift

C artificial selection

D divergent evolution

Question 5

The theory of spontaneous generation stated that

A life arises spontaneously, neither from living nor from the non-living.

B life can arise from non-living things only

C life can arise from both living and non-living

D life arose from living forms only

Question 6

Fossils are generally found in

A Any type of rock.

B Metamorphic rocks

C Igneous rocks

D Sedimentary rocks

Question 7

Animal husbandry and plant breeding programmes are the examples of

A natural selection.

B mutation

C artificial selection

D reverse evolution

Question 8

(p + q)Â² = pÂ² + 2pq + qÂ² = 1 represents an equation used in

A molecular genetics.

B biometrics

C Mendelian genetics

D population genetics

Question 9

The most accepted line of descent in human evolution is

A Australopithecus â†’ Ramapithecus â†’ Homo erectus â†’ Homo habilis â†’ Homo sapiens.

B Ramapithecus â†’ Homo habilis â†’ Homo erectus â†’ Homo sapiens

C Homo erectus â†’ Homo habilis Homo sapiens

D Australopithecus â†’ Ramapithecus â†’ Homo sapiens â†’ Homo habilis

Question 10

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

A the have biochemical similarities.

B they perform the same function

C they share a common ancestor

D one organism has given rise to another

Question 11

Which type of selection industrial melanism observed in moth Bistort bitularia?

A Artificial.

B Disruptive

C Directional

D Stabilising

Question 12

Which of the following is an example for connecting link species?

A Tyrannosaurus rex.

B Sea weed

C Dodo bird

D Lobe fish

Question 13

Palaeontological evidences for evolution refer to the

A analogous organs.

B fossils

C homologous organs

D development of embryo

Question 14

Appearance of antibiotic-resistant bacteria is an example of

A divergent evolution.

B pre-existing variation in the population

C transduction

D adaptive radiation

Question 15

For the MN-blood group system, the frequencies of M and N alleles are 0.7 and 0.3, respectively. The expected frequency of MN-blood group bearing organisms is likely to be

A 58%.

B 9%

C 49%

D 42%

Question 16

Which of the following is used as an atmospheric pollution indicator?

A Lycopodium.

B Lycopersicon

C Lichens

D Lepidoptera

Question 17

In 1953 S.L. Miller created primitive earth conditions in the laboratory and gave experimental evidence for origin of first form of life from pre-existing non-living organic molecules. The primitive earth conditions created include

A high temperature, volcanic storms, reducing atmosphere containing CH₄, NH₃ etc.

B high temperature, volcanic storms, non-reducing atmosphere

C low temperature, volcanic storms, reducing atmosphere

D low temperature, volcanic storms, atmosphere rich in oxygen

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Class 12 Biology - Chapter 7: Evolution MCQ Questions

Your Class 12 Biology Study Path

Variations during mutations of meiotic re-combinations are

Viviparity is considered to be more evolved because

Evolution of life shows that life forms had a trend of moving from

Analogous organs arise due to

The theory of spontaneous generation stated that

Fossils are generally found in

Animal husbandry and plant breeding programmes are the examples of

(p + q)Â² = pÂ² + 2pq + qÂ² = 1 represents an equation used in

The most accepted line of descent in human evolution is

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

Which type of selection industrial melanism observed in moth Bistort bitularia?

Which of the following is an example for connecting link species?

Palaeontological evidences for evolution refer to the

Appearance of antibiotic-resistant bacteria is an example of

For the MN-blood group system, the frequencies of M and N alleles are 0.7 and 0.3, respectively. The expected frequency of MN-blood group bearing organisms is likely to be

Which of the following is used as an atmospheric pollution indicator?

In 1953 S.L. Miller created primitive earth conditions in the laboratory and gave experimental evidence for origin of first form of life from pre-existing non-living organic molecules. The primitive earth conditions created include

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