Genetics & Evolution UPSC Questions

Biology

Genetics & Evolution MCQ Questions


13.
Oparin of Russia and Haldane of England proposed that the first form of life could have come from pre-existing _________________ (e.g. RNA, protein, etc.)
A.
Non Living Organic Molecules
B.
Living Organic Molecules
C.
Non Living Things
D.
Living Things
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ANSWER :
A. Non Living Organic Molecules
14.

Earth was with high temperatures, volcanic storms, reducing atmosphere containing

A.

CH3,CH2

B.

OH,NH2

C.

CH4 , NH3

D.

CHO,NH2

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ANSWER :

C. CH4 , NH3

15.
Which year S.L. Miller, an American scientist, created similar conditions on a laboratory scale?
A.
1952
B.
1974
C.
1862
D.
1953
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ANSWER :
D. 1953
16.

Electric discharge in a closed flask containing CH4 , H2 , NH3 and water vapour at 8000C observed formation of

A.

Sulphuric Acids

B.

Amino Acids

C.

Nitric Acid

D.

Chloride

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ANSWER :

B. Amino Acids

17.
Which evolution was more or less accepted ?
A.
Biological
B.
Physical
C.
Chemical
D.
Electrical
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ANSWER :
C. Chemical
18.
The first non-cellular forms of life could have originated ________________ back would have been giant molecules. These capsules reproduced their molecules perhaps.
A.
3 Billion Years
B.
3 Million Years
C.
3 Thousands Years
D.
3 Hundred Years
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ANSWER :
A. 3 Billion Years