1
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
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 2004
MCQ (Single Correct Answer)
+4
-1
What kind of evidence suggested that man is more closely related with chimpanzee than with other hominoid apes ?
A
Evidence from fossil remains and the fossil mitochondrial DNA alone
B
Evidence from DNA extracted from sex chromosomes, autosomes
C
Comparison of chromosomes morphology only
D
Evidence from DNA from sex chromosomes only

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