7

Class 12 Biology - Chapter 7: Evolution MCQ Questions

17 Questions 34 Minutes
Answered: 0 / 17Unanswered: 17

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Question 1

Variations during mutations of meiotic re-combinations are

Question 2

Viviparity is considered to be more evolved because

Question 3

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

Question 4

Analogous organs arise due to

Question 5

The theory of spontaneous generation stated that

Question 6

Fossils are generally found in

Question 7

Animal husbandry and plant breeding programmes are the examples of

Question 8

(p + q)² = p² + 2pq + q² = 1 represents an equation used in

Question 9

The most accepted line of descent in human evolution is

Question 10

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

Question 11

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

Question 12

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

Question 13

Palaeontological evidences for evolution refer to the

Question 14

Appearance of antibiotic-resistant bacteria is an example of

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

Question 16

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

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

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