NEET Previous Year Question

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

Topic: NEET PYQ

Answer: A. Full step-by-step solution below.

  1. AHave more RBCs and their haemoglobin has a lower binding affinity to .
  2. BAre not physically fit to play games like football.
  3. CSuffer from altitude sickness with symptoms like nausea, fatigue, etc.
  4. DHave the usual RBC count but then haemoglobin has very high binding affinity to .

Correct answer: A

Solution

(a) 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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