Respiration UPSC Questions

Respiration MCQ Questions

1.
____________ are made of small microscopic units called cells.
A.
Plants
B.
Animals
C.
Human beings
D.
All the above
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
ANSWER :
A. Energy
3.
All living organisms respire to get energy from
A.
Junk Foods
B.
Liquid
C.
Food
D.
Gas
ANSWER :
C. Food
4.
During breathing, we breathe in air that contains
A.
Oxygen
B.
Carbon Dioxide
C.
Hydrogen
D.
Sodium
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
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)
ANSWER :
B. Breakdown of Food