Nutrition UPSC Questions

Biology

Nutrition MCQ Questions


13.
The ultimate source of energy for all living organisms is:
A.
Water
B.
Air
C.
Sun
D.
Soil
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ANSWER :
C. Sun
14.
Which part of the plant primarily performs photosynthesis?
A.
Root
B.
Stem
C.
Leaf
D.
Flower
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ANSWER :
C. Leaf
15.
Which of the following is an example of a saprotroph?
A.
Cuscuta
B.
Pitcher plant
C.
Fungi
D.
Algae
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ANSWER :
C. Fungi
16.
Which gas is released during photosynthesis?
A.
Carbon dioxide
B.
Oxygen
C.
Nitrogen
D.
Hydrogen
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ANSWER :
B. Oxygen
17.
Which substance indicates the occurrence of photosynthesis in leaves?
A.
Glucose
B.
Protein
C.
Starch
D.
Fat
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ANSWER :
C. Starch
18.
What are the vessels in plants responsible for?
A.
Storing food
B.
Transporting water and minerals
C.
Photosynthesis
D.
Gas exchange
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ANSWER :
B. Transporting water and minerals