What is the composition of inspired air?

Important Questions on Breathing and Respiration

MEDIUM

11th West Bengal Board

IMPORTANT

A TEXT BOOK OF BIOLOGY CLASS 11>Chapter 15 - Breathing and Respiration>EXERCISE>Q 30

What is the percentage of oxygen and carbon dioxide in alveolar air and expired air? Is there any difference, why?

EASY

11th West Bengal Board

IMPORTANT

A TEXT BOOK OF BIOLOGY CLASS 11>Chapter 15 - Breathing and Respiration>EXERCISE>Q 31

Compare the inspiratory and expiratory air during respiration.

EASY

11th West Bengal Board

IMPORTANT

A TEXT BOOK OF BIOLOGY CLASS 11>Chapter 15 - Breathing and Respiration>EXERCISE>Q 32

Mention two causes of hypoxia.

EASY

11th West Bengal Board

IMPORTANT

A TEXT BOOK OF BIOLOGY CLASS 11>Chapter 15 - Breathing and Respiration>EXERCISE>Q 33

What are the causes of Bronchial asthma or asthma?

EASY

11th West Bengal Board

IMPORTANT

A TEXT BOOK OF BIOLOGY CLASS 11>Chapter 15 - Breathing and Respiration>EXERCISE>Q 34

Why passive smoking is more harmful than active smoking?

EASY

11th West Bengal Board

IMPORTANT

A TEXT BOOK OF BIOLOGY CLASS 11>Chapter 15 - Breathing and Respiration>EXERCISE>Q 35

What is mountain sickness?

EASY

11th West Bengal Board

IMPORTANT

A TEXT BOOK OF BIOLOGY CLASS 11>Chapter 15 - Breathing and Respiration>EXERCISE>Q 36

What do you mean by acclimatization? Name an immediate change that occurs due to acclimatization.

EASY

11th West Bengal Board

IMPORTANT

A TEXT BOOK OF BIOLOGY CLASS 11>Chapter 15 - Breathing and Respiration>EXERCISE>Q 1

The trachea is lined with incomplete rings made up of