CBSE 2022 · Region 2 · Set 3 · Q5 · 2 marks
When tourists go to places of high altitude like Rohtang Pass or Mansarovar, they are advised not to venture out for two days at least to get acclimatized to the prevailing conditions there. Explain how they get acclimatized.
Marking-scheme solution
Increased RBC production, decrease in the binding affinity of Haemoglobin, increase in breathing rate
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CBSE Class 12 Biology past-paper question from the 2022board exam, with the answer as CBSE’s own marking scheme gives it. Where our answers come from.