People who have migrated from the planes to an area adjoini…

Biology Organisms and Populations Previous Year Questions Single Correct MCQ

Published by: CGP EDU Academic Team

Published on: August 13, 2026

People who have migrated from the planes to an area adjoining Rohtang Pass about six months back

Have more RBCs and their haemoglobin has a lower binding affinity to O 2 .

Are not physically fit to play games like football.

Suffer from altitude sickness with symptoms like nausea, fatigue, etc.

Have the usual RBC count but then haemoglobin has very high binding affinity to O 2 .

Text Solution

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The correct answer is:

After several months at high altitude, people acclimatize by increasing RBC production and adjusting haemoglobin properties to improve oxygen delivery to tissues.

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