1
AIPMT 2005
MCQ (Single Correct Answer)
+4
-1
Which of the following is not true for a species ?
A
Variations occur among members of a species
B
Gene flow does not occur between the populations of a species
C
Each species is reproductively isolated from every other species
D
Members of a species can interbreed
2
AIPMT 2005
MCQ (Single Correct Answer)
+4
-1
At a particular locus, frequency of 'A' allele is 0.6 and that of 'a' is 0.4. What would be the frequency of heterozygotes in a random mating population at equilibrium ?
A
0.48
B
0.24
C
0.36
D
0.16
3
AIPMT 2005
MCQ (Single Correct Answer)
+4
-1
There are two opposing views about origin of modern man. According to one view Homo erectus in Asia were the ancestors of modern man. A study of variation of DNA however suggested African origin of modern man. What kind of observation of DNA variation could suggest this ?
A
Variation only in Asia and no variation in Africa
B
Similar variation in Africa and Asia
C
Greater variation in Africa than in Asia
D
Greater variation in Asia than in Africa
4
AIPMT 2005
MCQ (Single Correct Answer)
+4
-1
One of the most important functions of botanical gardens is that
A
they provide a beautiful area for recreation
B
one can observe tropical plants there
C
they allow ex situ conservation of germplasm
D
they provide the natural habitat for wild life.