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Class 11BiologyBreathing and Exchange of GasesDisorders of respiration system
Easy

Asthma is caused by

  • A
    Infection in the lungs
  • B
    Infection in the trachea
  • C
    Infection of the glottis
  • D
    Spasm in the bronchioles and bronchi
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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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