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Today General Knowledge(GK)
Which gas in the atmosphere is essential for respiration?
A)
Nitrogen
B)
Oxygen
C)
Argon
D)
Carbon dioxide

Correct Answer : Option (B) - Oxygen



Inhaling of oxygen and releasing of carbon dioxide to make our living is the process called as respiration. We know that, air is a mixture several gases like 78% of nitrogen, 21% of oxygen and several other gases with watervapour. Hence, Oxygen is essential for respiration process.

Published On : June 11, 2021
Category : Science and Technology
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