A.Isolation prevents interbreeding between members of same species
B.Appreciably small Gene Pool will lead to significant variations
C.Variations in the organisms are caused by sexual reproduction
D.None of these
A.Irradiation of seeds with visible light
B.Heating the seeds upto 30?C
C.Treating the seeds with strong chemicals
D.Irradiating the seeds with X-rays
A.Genetic drift
B.Genetic maladjustment
C.Both (a) & (b)
D.None of these
A.Lyell
B.Mendel
C.Darwin
D.Spencer
A.Rudimentary eyes in deep-sea fishes
B.Strong canines and claws of carnivores
C.Fast running adaptations in deers
D.Only those which are fittest can survive and are selected by the nature
A.Sweet-pea
B.China-rose
C.Evening primrose
D.None of these
A.Allen’s law
B.Dollo’s law
C.Gause’s law
D.Cope’s Law
A.Natural Selection
B.Heredity
C.Mutation
D.Adaptation
A.Recombination
B.Mutations
C.Segregation
D.Independent assortment
A.Dominant
B.Selected
C.Recessive
D.Neither dominant nor recessive
