Reduction in pH of blood will cause;

Chemistry NEET Full Syllabus Mock Test 180 Question New Syllabus Mock Test - 8 PCB Single Correct MCQ

Published by: CGP EDU Academic Team

Published on: August 13, 2026

Release of bicarbonate ions by the liver

Reduction in the rate of heart beat

Reduced blood supply to the brain

Decrease the affinity of haemoglobin with oxygen

Text Solution

Verified by Experts

The correct answer is:

• Reduction in pH of blood Acidosis ( concentration).

• In acidosis, hemoglobin's affinity for oxygen decreases (Bohr effect) → is more easily released to tissues.

• Liver is not the source of bicarbonate ions is incorrect.

• Low pH stimulates heart rate and ventilation (via chemoreceptors), not reduces it → incorrect.

• Blood supply to brain is regulated by levels; acidosis causes vasodilation in cerebral vessels ( ↑ blood flow), not reduction → incorrect.

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