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Respiration in Organisms — Science STD 7 — Question

Gujarat BoardEnglish MediumSTD 7ScienceRespiration in Organisms1 Mark
MCQ
The mountaineers carry oxygen with them because
  • A
    at an altitude of more than 5 km, there is no air
  • ✓
    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

Correct option: B.
the amount of air available to a person is less than that available on the ground
(B) the amount of air available to a person is less than that available on the ground
The mountaineers carry oxygen with them because the amount of air available to a person at higher altitude is less than that available on the ground.

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