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NCERT Class 12 Biology Exemplar Chapter β 7 Evolution Part 1
Multiple Choice Questions
Question 1:
Which of the following is used as an atmospheric pollution indicator?
a. Lepidoptera
b. Lichens
c. Lycopersicon
d. Lycopodium
Answer: (b)
Question 2:
The theory of spontaneous generation stated that:
a. life arose from living forms only
b. life can arise from both living and non-living
c. life can arise from non-living things only.
d. life arises spontaneously, neither from living nor from the non-living.
Answer: (c)
Question 3:
Animal husbandry and plant breeding programmes are the examples of:
a. reverse evolution
b. artificial selection
c. mutation
d. natural selection
Answer: (b)
Question 4:
Paleontological evidences for evolution refer to the:
a. development of embryo
b. homologous organs
c. fossils
d. analogous organs.
Answer: (c)
Question 5:
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
Answer: (b)
Question 6:
Analogous organs arise due to:
a. divergent evolution
b. artificial selection
c. genetic drift
d. convergent evolution
Answer: (d)
Question 7:
represents an equation used in:
a. Population genetics
b. Mendelian genetics
c. Biometrics
d. Molecular genetics
Answer: (a)
Question 8:
Appearance of antibiotic-resistant bacteria is an example of:
a. adaptive radiation
b. transduction
c. pre-existing variation in the population
d. divergent evolution
Answer: (c)
Question 9:
Evolution of life shows that life forms had a trend of moving from:
a. Land to water
b. Dry land to wet land
c. Fresh water to sea water
d. Water to land
Answer: (d)