Chapter 5: Respiration in Organisms

Q&A -Ask Doubts and Get Answers

Q
Respiration in Organisms

Question:

The mountaineers carry oxygen with them because:

(a) At an altitude of more than 5 km there is no air.

(b) The amount of air available to a person is less than that available on the ground.

(c) The temperature of air is higher than that on the ground.

(d) The pressure of air is higher than that on the ground.

Answer:

The mountaineers have to carry oxygen with them because the amount of oxygen increases when we go up to the higher altitudes. 

Hence, the correct answer is (b) The amount of air available to a person is less than that available on the ground.


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