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Question 9288
NEET Biology · Medium

Breathing and Exchange of Gases: Chemoreceptors MCQ

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ChemoreceptorsMediumQuestion 9288

Question

Chemoreceptors help regulate breathing by sensing changes mainly in:

  1. A
    CO2, H+, and O2 levels
    Correct
  2. B
    Bone density only
  3. C
    Skin colour only
  4. D
    Urine volume only

Correct answer

CO2, H+, and O2 levels

Explanation

Chemoreceptors detect chemical changes relevant to gas exchange and acid-base balance.

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