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STD 12 - 11. organisms and populations — BIOLOGY STD 12 Science — Question

Rajasthan BoardEnglish MediumSTD 12 ScienceBIOLOGYSTD 12 - 11. organisms and populations1 Mark
MCQ
Altitude sickness is
  • A
    Genotypic adaptation
  • B
    Phenotypic adaptation
  • ✓
    Physiological adaptation
  • D
    Cold hardening
✓

Answer

Correct option: C.
Physiological adaptation
c
Physiological adaptation.

Nausea, fatigue, heart palpitations is due to unavailability of proper oxygen in the body. At high mountain the atmospheric pressure is low. So, $O_{2}$ is not easily available for Respiration. So for improve efficiency of respiration is increased by increasing $RBC$ increasing the binding efficiency of haemoglobin

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