Organs of respiratory system, Sneezing & Respiratory health — task. Biology CBSE Live product, Class 7 (2025-26).

Read the statements given below and choose the correct answer:

1.

Assertion	Alveoli help in the diffusion of gases.
Reason	Alveoli have thin walls and are surrounded by capillaries.

Both assertion and reason are true, and the reason is the correct explanation
Both assertion and reason are true, but the reason is not the correct explanation
The assertion is true, but the reason is false
The assertion is false, but the reason is true

2.

Assertion	The COVID-19 virus affects the respiratory system.
Reason	COVID-19 causes breathing difficulties.

Both assertion and reason are true, and the reason is the correct explanation
Both assertion and reason are true, but the reason is not the correct explanation
The assertion is true, but the reason is false
The assertion is false, but the reason is true

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