1
NEET 2013 (Karnataka)
MCQ (Single Correct Answer)
+4
-1
Random undirectional change in allele frequencies that occur by chance in all populations and especially in small populations is known as :-
A
Genetic drift
B
Migration
C
Mutation
D
Natural selection
2
NEET 2013 (Karnataka)
MCQ (Single Correct Answer)
+4
-1
Genetic variation in a population arises due to :
A
Reproductive isolation and selection
B
Mutations only
C
Mutations as well as recombination
D
Recombination only
3
NEET 2013 (Karnataka)
MCQ (Single Correct Answer)
+4
-1
Dinosaurs dominated the World in which of the following geological era ?
A
Jurassic
B
Devonion
C
Coenozoic
D
Mesozoic
4
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
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