Class 10 Biology MCQs - Chapter 3
Gaseous Exchange Multiple Choice Questions (MCQs) PDF Download - 9
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Gaseous Exchange MCQs with Answers PDF Download: Quiz 9
The swelling of tubular walls and narrowing of tubes is
- tuberculosis
- bronchioles
- bronchitis
- asthma
In animals and human beings, the lungs and the air passageway are two important parts of
- respiratory system
- epidermal system
- excretory system
- cellular system
Which of the following is the human breathing rate at rest?
- 30-40 times per minute
- 16-20 times per minute
- 12-18 times per minute
- 25-30 times per minute
Which of the following is the respiratory surface in human beings?
- lungs
- alveolar ducts
- alveoli
- chest cavity
The destruction of walls of the alveoli is
- emphysema
- asthma
- pneumonia
- bronchitis
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