Respiration UPSC Questions

Biology

Respiration MCQ Questions

1.
____________ are made of small microscopic units called cells.
A.
Plants
B.
Animals
C.
Human beings
D.
All the above
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ANSWER :
D. All the above
2.
Each cell of an organism performs certain functions such as nutrition, transport, excretion and reproduction. For these functions the cell needs
A.
Energy
B.
Power
C.
Air
D.
Solid
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ANSWER :
A. Energy
3.
All living organisms respire to get energy from
A.
Junk Foods
B.
Liquid
C.
Food
D.
Gas
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ANSWER :
C. Food
4.
During breathing, we breathe in air that contains
A.
Oxygen
B.
Carbon Dioxide
C.
Hydrogen
D.
Sodium
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ANSWER :
A. Oxygen
5.
The _________ we breathe in is transported to all parts of the body and ultimately to each cell.
A.
Water
B.
Solid
C.
Liquid
D.
Air
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ANSWER :
D. Air
6.
The cells' oxygen in the air helps in the
A.
Breakdown of Vegetables
B.
Breakdown of Food
C.
Organisms
D.
Food (Glucose)
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ANSWER :
B. Breakdown of Food