Tobacco smoke contains carbon monoxide which

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7.Human Health and Disease

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Tobacco smoke contains carbon monoxide which

A

Reduces the oxygen-carrying capacity of blood

B

Causes gastric ulcers

C

Raises blood pressure

D

Is carcinogenic

(AIEEE-2003)

Solution

(a) Because $CO$ has higher affinity to combine with haemoglobin of blood than oxygen.

Standard 12

Biology

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