What are the two steps involved in respiration?

Important Questions on Respiration in Plants and Animals

MEDIUM

7th CBSE

IMPORTANT

Basic Science For Class 7>Chapter 11 - Respiration in Plants and Animals>Exercises>Q B

What is anaerobic respiration? How do we make use of it?

HARD

7th CBSE

IMPORTANT

Basic Science For Class 7>Chapter 11 - Respiration in Plants and Animals>Exercises>Q C

How would you show that exhaled air has carbon dioxide?

HARD

7th CBSE

IMPORTANT

Basic Science For Class 7>Chapter 11 - Respiration in Plants and Animals>Exercises>Q C

Describe the path taken by inhaled air from the nostrils to the lungs.

MEDIUM

7th CBSE

IMPORTANT

Basic Science For Class 7>Chapter 11 - Respiration in Plants and Animals>Exercises>Q C

What makes air enter our lungs when we inhale?

MEDIUM

7th CBSE

IMPORTANT

Basic Science For Class 7>Chapter 11 - Respiration in Plants and Animals>Exercises>Q C

How does oxygen from the air in the lungs reach the cells?

EASY

7th CBSE

IMPORTANT

Basic Science For Class 7>Chapter 11 - Respiration in Plants and Animals>Exercises>Q D

Oxygen combines with haemoglobin in the blood to form _____.

EASY

7th CBSE

IMPORTANT

Basic Science For Class 7>Chapter 11 - Respiration in Plants and Animals>Exercises>Q D

The lungs have millions of sac-like units for the exchange of respiratory gases called _____.

EASY

7th CBSE

IMPORTANT

Basic Science For Class 7>Chapter 11 - Respiration in Plants and Animals>Exercises>Q D

Carbon dioxide and _____ molecules are formed during internal respiration.