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Question

Sulphur dioxide affects
  1. Haemoglobin of blood
  2. Arteries
  3. Alveoli of lungs
  4. Nerves

A
Alveoli of lungs
B
Nerves
C
Haemoglobin of blood
D
Arteries
Solution
Verified by Toppr

The correct option is C Alveoli of lungs
Sulphur dioxide is a harmful pollutant released from the combustion of fossil fuels. This gas is a toxic gas and penetrates deeply into the lungs when inhaled through the air. It can cause irritation in the lungs and problem in breathing due to inflammation of the mucous membrane of alveoli. It can even cause asthma and chronic bronchitis.
So, the correct answer is 'Alveoli of lungs'.

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