1
AIPMT 2001
MCQ (Single Correct Answer)
+4
-1
Half life period of C14 is : -
A
5000 years
B
50 years
C
500 years
D
5 × 104 years
2
AIPMT 2001
MCQ (Single Correct Answer)
+4
-1
Occurrence of endemic species in South America and Australia is due to
A
These is no terrestrial route to these places
B
Retrogressive evolution
C
These species has been extinct from other regions
D
Continental separation
3
AIPMT 2001
MCQ (Single Correct Answer)
+4
-1
Forthcoming generations are less adaptive than their parental generation due to
A
Genetic drift
B
Natural selection
C
Mutation
D
Adaptation
4
AIPMT 2001
MCQ (Single Correct Answer)
+4
-1
First life on earth was : -
A
Autotrophs
B
Photoautotrophs
C
Cyanobacteria
D
Chemohetrotrophs

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