MEDIUM
7th CBSE
IMPORTANT
Earn 100

How does the exchange of gases occur in the following: a. fish and b. cockroach?

Important Questions on Respiration

MEDIUM
7th CBSE
IMPORTANT
Living Science 7>Chapter 11 - Respiration>EXERCISES>Q D
How do the nostrils contribute to the process of breathing?
MEDIUM
7th CBSE
IMPORTANT
Living Science 7>Chapter 11 - Respiration>EXERCISES>Q D
Draw a labelled diagram of the apparatus you will use to show that heat is produced during respiration in seeds. Why are two flasks used in the experiment? 
MEDIUM
7th CBSE
IMPORTANT
Living Science 7>Chapter 11 - Respiration>EXERCISES>Q D
What happens to the air breathed in, once it reaches the lungs? 
HARD
7th CBSE
IMPORTANT
Living Science 7>Chapter 11 - Respiration>EXERCISES>Q D
Explain, with the help of a diagram, the structure of the human lungs, and how the exchange of gases occurs in the lungs. 
MEDIUM
7th CBSE
IMPORTANT
Living Science 7>Chapter 11 - Respiration>EXERCISES>Q D
How are combustion and cellular respiration similar to each other? In what ways are they different? 
HARD
7th CBSE
IMPORTANT
Living Science 7>Chapter 11 - Respiration>EXERCISES>Q D
How will you show that exhaled air has more carbon dioxide than inhaled air?
HARD
7th CBSE
IMPORTANT
Living Science 7>Chapter 11 - Respiration>EXERCISES>Q D
What is the difference between breathing and cellular respiration? 
MEDIUM
7th CBSE
IMPORTANT
Living Science 7>Chapter 11 - Respiration>EXERCISES>Q D
What is anaerobic respiration? Does it occur in the human body also?