1
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
2
AIPMT 2005
MCQ (Single Correct Answer)
+4
-1
Which one of the following phenomena supports Darwin's concept of natural selection in organic evolution ?
A
Prevalence of pesticide resistant insects
B
Development of organs from 'stem' cells for organ transplantation
C
production of 'Dolly', the sheep by cloning
D
Development of transgenic animals
3
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
4
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
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