1
AIPMT 2003
MCQ (Single Correct Answer)
+4
-1
Industrial melanism is an example of : -
A
Darkening of skin due to smoke from industries
B
Defensive adaptation of skin against ultraviolet radiations
C
Drug resistance
D
Protective resemblance with the surroundings
2
AIPMT 2003
MCQ (Single Correct Answer)
+4
-1
In a random mating population in equilibrium, which of the following brings about a change in gene frequency in a non-directional manner : -
A
Selection
B
Random drift
C
Mutations
D
Migration
3
AIPMT 2003
MCQ (Single Correct Answer)
+4
-1
Darwin in his 'Natural Selection Theory' did not believe in any role of which one of the following in organic evolution ?
A
Survival of the fittest
B
Parasites and predators as natural enemies
C
Discontinuous variations
D
Struggle for existence
4
AIPMT 2003
MCQ (Single Correct Answer)
+4
-1
Which one of the following is categorised under living fossils ?
A
Cycas
B
Metasequoia
C
Pinus
D
Selaginella
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