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  • NTSE (Science) - 1
  • What is the cause of asthma?
Multiple choice

What is the cause of asthma?

  1. Spasm in bronchial muscles

  2. Infection of lungs

  3. Infection of trachea

  4. None of these

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A Correct answer
Explanation

Asthma is a respiratory condition marked by spasms in the bronchi of the lungs, causing difficulty in breathing.

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