1
NEET 2013 (Karnataka)
MCQ (Single Correct Answer)
+4
-1
The finch species of Galapagos Islands are grouped according to their food sources. Which of the following is not a finch food ?
A
Insects
B
Carrion
C
Tree buds
D
Seeds
2
NEET 2013
MCQ (Single Correct Answer)
+4
-1
According to Darwin, the organic evolution is due to -
A
Reduced feeding efficiency in one species due to the presence of interfering species
B
Competition within closely related species
C
Intraspecific competition
D
Interspecific competition
3
NEET 2013
MCQ (Single Correct Answer)
+4
-1
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
4
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
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