Biology Multiple Choice Questions and Answers for Different Competitive Exams

Multiple Choice Questions on Evolution

16. The first domesticated animal by primitive man was
a) Cat
b) Dog
c) Horse
d) Cow
17. Which of the following is an example of living fossils?
Ginko biloba
a) Pinus
b) Riccia
c) Ginkgo
d) Gnetum
18. First life on earth was
a) Cyanobacteria
b) Autographs
c) Chemoheterotrophs
d) Photoautotrophs
19. Most abundant organic compound on earth is
a) Protein
b) Cellulose
c) Steroids
d) Lipids
20. Which is not a vestigial organ of man?
a) Nails
b) Third molar
c) Coccyx
d) Segmented muscles of abdomen
21. Genetic drift operates only in
a) Large populations
b) Smaller populations
c) Island populations
d) Mendealian populations
22.  The animals of cold countries have relatively shorter and poorly developed ears, eyes, hairs and other phenotypic characters. This is known by which law?
Allen's rule
a) Cope’s law
b) Dollo’s law
c) Bergmann’s law
d) Allen’s law

23. Phenomenon of ‘Industrial melanism’ demonstrates
a) Geographical isolation
b) Natural Selection
c) Reproductive isolation
d) Induced mutation
24. Convergent evolution is illustrated by
a) Rat and Dog
b) Bacterium and Protozoan
c) Starfish and Cuttle fish
d) Dogfish and  Whale
25. Correct order is
a) Paleozoic-> Mesozoic-> Coenozoic
b) Archaeozoic-> Coenozoic ->Paleozoic
c) Coenozoic ->Paleozoic-> Archaeozoic
d) Mesozoic-> Archaeozoic-> Coenozoic
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Answers
16. b) Dog
17. c) Ginkgo
18. c) Chemoheterotrophs
19. b) Cellulose
20. a) Nails
21. b) Smaller populations
22. d) Allen’s law
23. b) Natural Selection
24. d) Dogfish and Whale
25. a) Paleozoic-> Mesozoic-> Coenozoic (Refer:Geological Time Scale)
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