1
NEET 2013
MCQ (Single Correct Answer)
+4
-1
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
2
NEET 2013
MCQ (Single Correct Answer)
+4
-1
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
3
NEET 2013
MCQ (Single Correct Answer)
+4
-1
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
4
NEET 2013
MCQ (Single Correct Answer)
+4
-1
Infection of Ascaris usually occurs by :
A
Tse-tse fly
B
mosquito bite
C
drinking water containing eggs of Ascaris
D
eating imperfectly cooked pork
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Medical
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Graduate Aptitude Test in Engineering
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