1
NEET 2013
MCQ (Single Correct Answer)
+4
-1
Change Language
The tendency of population to remain in genetic equilibrium may be disturbed by :
A
lack of random mating
B
random mating
C
lack of migration
D
lack of mutations
2
NEET 2013
MCQ (Single Correct Answer)
+4
-1
Change Language
Variation in gene frequencies within populations can occur by chance rather than by natural selection. This is referred to as :
A
Genetic drift
B
Genetic load
C
Genetic flow
D
Random mating
3
NEET 2013
MCQ (Single Correct Answer)
+4
-1
Change Language
The process by which organisms with different evolutionary history evolve similar phenotypic adaptations in response to a common environmental challenge is called :
A
Convergent evolution
B
Adaptive radiation
C
Natural selection
D
Non-random evolution
4
NEET 2013
MCQ (Single Correct Answer)
+4
-1
Change Language
The eye of octopus and eye of cat show different patterns of structure, yet they perform similar function, This is an example of :
A
Homologous organs that have evolved due to divergent evolution
B
Analogous organs that have evolved due to convergent evolution
C
Homologous organs that have evolved due to convergent evolution
D
Analogous organs that have evolved due to divergent evolution
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