Class 11 Biology Breathing and Exchange of Gases Disorders of respiration system

Medium

Smoking increases . . . . . . content in blood and reduces the concentration of haem-bound oxygen. Fill in the blank suitably.

A
Carbon dioxide
B
Carbaminohaemoglobin
C
Carbon monoxide
D
Carboxylic acid

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Class 11 Questions

Class 11

Biology Questions

Chapter

Breathing and Exchange of Gases

Subtopic

Disorders of respiration system

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