16. The first domesticated animal by primitive man was

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)
a) Cat17. Which of the following is an example of living fossils?
b) Dog
c) Horse
d) Cow

a) Pinus18. First life on earth was
b) Riccia
c) Ginkgo
d) Gnetum
a) Cyanobacteria19. Most abundant organic compound on earth is
b) Autographs
c) Chemoheterotrophs
d) Photoautotrophs
a) Protein20. Which is not a vestigial organ of man?
b) Cellulose
c) Steroids
d) Lipids
a) Nails21. Genetic drift operates only in
b) Third molar
c) Coccyx
d) Segmented muscles of abdomen
a) Large populations22. The animals of cold countries have relatively shorter and poorly developed ears, eyes, hairs and other phenotypic characters. This is known by which law?
b) Smaller populations
c) Island populations
d) Mendealian populations

a) Cope’s law23. Phenomenon of ‘Industrial melanism’ demonstrates
b) Dollo’s law
c) Bergmann’s law
d) Allen’s law
a) Geographical isolation24. Convergent evolution is illustrated by
b) Natural Selection
c) Reproductive isolation
d) Induced mutation
a) Rat and Dog25. Correct order is
b) Bacterium and Protozoan
c) Starfish and Cuttle fish
d) Dogfish and Whale
a) Paleozoic-> Mesozoic-> CoenozoicLearn more:
b) Archaeozoic-> Coenozoic ->Paleozoic
c) Coenozoic ->Paleozoic-> Archaeozoic
d) Mesozoic-> Archaeozoic-> Coenozoic
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)