Question

Ascent of high mountains may cause altitude sickness in men. Prime cause for this is _______

a.

Decreased proportion of oxygen in the air

b.

Decreased partial pressure of oxygen

c.

Decreased efficiency of hemoglobin

d.

Excess CO₂ in blood

Answer: (b).Decreased partial pressure of oxygen

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Q. Ascent of high mountains may cause altitude sickness in men. Prime cause for this is _______

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