Nutrition UPSC Questions

Biology

Nutrition MCQ Questions


1.
What is the mode of nutrition in which organisms make food from simple substances?
A.
Heterotrophic
B.
Saprotrophic
C.
Autotrophic
D.
Parasitic
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ANSWER :
C. Autotrophic
2.
Which pigment is essential for photosynthesis in plants?
A.
Carotene
B.
Chlorophyll
C.
Xanthophyll
D.
Anthocyanin
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ANSWER :
B. Chlorophyll
3.
Consider the following statements:
1.In tropical regions, Zika virus disease is transmitted by ‘the same mosquito that transmits dengue.
2.Sexual transmission of Zika virus disease is possible
Which of the statements given above is/are correct?

UPSC - 2017

A.
1 only
B.
2 only
C.
Both 1 and 2
D.
Neither 1 nor 2
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ANSWER :
C. Both 1 and 2
4.
What are the tiny pores on leaves called through which gas exchange takes place?
A.
Lenticels
B.
Tracheids
C.
Stomata
D.
Guard cells
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ANSWER :
C. Stomata
5.
Cuscuta derives its food from other plants. It is an example of a:
A.
Saprotroph
B.
Parasite
C.
Symbiont
D.
Autotroph
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ANSWER :
B. Parasite
6.
Which of the following is not necessary for photosynthesis?
A.
Carbon dioxide
B.
Water
C.
Oxygen
D.
Sunlight
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ANSWER :
C. Oxygen