1
AIPMT 2004
MCQ (Single Correct Answer)
+4
-1
According to oparin, which one of the following was not present in the primitive atmosphere of the earth ?
A
Water vapour
B
Oxygen
C
Methane
D
Hydrogen
2
AIPMT 2003
MCQ (Single Correct Answer)
+4
-1
Which one of the following sequences was proposed by Darwin and Wallace for organic evolution ?
A
Variations, natural selection, overproduction, constancy of population size
B
Overproduction, constancy of population size, variations, natural selection
C
Variations, constancy of population size, overproduction, natural selection
D
Overproduction, variations, constancy of population size, natural selection
3
AIPMT 2003
MCQ (Single Correct Answer)
+4
-1
Convergent evolution is illustrated by : -
A
Bacterium and protozoan
B
Rat and dog
C
Dogfish and whale
D
Starfish and cuttle fish
4
AIPMT 2003
MCQ (Single Correct Answer)
+4
-1
Random genetic drift in a population probably results from
A
Constant low mutation rate
B
Interbreeding within this population
C
Large population size
D
Highly genetically variable individuals
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