Heredity and evolution Worksheet-12
A. Providing adaptation in the limb
B. Providing insulation in cold weather
C. Providing skin folded stretch in arms
D. None of these
A. Dinosaur and bird B. Bat and insect
C. Bat and bird D. Insect and bird
A. Have evolved from common ancestor
B. Live in the same types of environment
C. Have undergone parallel evolution
D. Are no longer undergoing evolution
A. Impressions B. Moulds and casts
C. Imprints D. All of these
A. Fossil of a tree trunk B. Fossil of Trilobite
C. Fossil of Ammonite D. Fossil of Knightia
A. Stanley Miller B. J.B.S. Haldane
C. C. Urey D. Louis Pasteur
A. Sterile flowers – Cauliflower
B. Swollen parts – Kohlrabi
C. Arrested flower development-Broccoli
D. Large leaves-Kohlrabi
A. Speciation
B. Successive change in structures
C. Extinction
D. All of these
A. Humans B. Snails
C. Roundworms D. Insects
A. Darwin's theory of evolution states how life evolved from simple to more complex forms
B. Mendel's experiment gives us the mechanism for the inheritance of traits from one generation to the next
C. Darwin also explained how life began on earth in the first place
D. None of these
A. Carbon dating method
B. Radioactive clock method
C. Potassium argon method
D. All of these
A. 1 : 2 : 1 B. 3 : 1 C. 9 : 3 : 3 : 1 D. 12 : 3 : 1
A. Genetic drift
B. Inbreeding
C. Natural selection
D. Both Genetic drift & Natural selection
A. They can interbreed with each other
B. They cannot interbreed with each other
C. They are not geographically isolated
D. None of these
A. (a) – (i); (b) – (iii); (c) – (iv); (d) – (vi)
B. (a) – (i); (b) – (vi); (c) – (iv); (d) – (ii)
C. (a) – (v); (b) – (iii); (c) – (ii); (d) – (vi)
D. (a) – (v); (b) – (vi); (c) – (ii); (d) – (iii)
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