Biology Past Paper Questions

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Q 801:James Watson and Francis Crick proposed the structure DNA in
A
1923
B
1933
C
1943
D
1953
Gujranwala, 2017
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Q 802:Lobes present in the right lung.
A
1
B
2
C
3
D
4
Gujranwala, 2017
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Q 803:Psilocin is obtained from:
A
Cannabis
B
Opium
C
Cactus
D
Mushroom
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Q 804:Study of the relationship between organism and their environment is called :
A
Histology
B
Ecology
C
Genetics
D
Anatomy
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Q 805:The deficiency of this vitamin ---- causes poor night vision
A
Vitamin A
B
Vitamin B
C
Vitamin C
D
Vitamin K
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Q 806:Temperature that causes closure of stomata
A
10°C - 15°C
B
20°C - 25°C
C
30°C - 35°C
D
40°C - 45°C
Gujranwala, 2017
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Q 807:The broadest category of organisms in biological taxonomy is
A
Class
B
Phylum
C
Kingdom
D
Family
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Q 808:The concept of metabolism was first of all given by.
A
Emil Fischer
B
Kuhne
C
Koshland
D
Ibn-e-Nafees
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Q 809:Stomata cover ___________ leaf surface.
A
1-2
B
2-3
C
1-3
D
3-4
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Q 810:Many bacteria live in colon produce
A
Vitamin K
B
Vitamin C
C
Vitamin A
D
Vitamin D
Gujranwala, 2017
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Total MCQs: 1434Page 81 of 144
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