MEDIUM
7th CBSE
IMPORTANT
Earn 100

What chemical reaction occurs during anaerobic respiration in yeast? 

Important Questions on Respiration

MEDIUM
7th CBSE
IMPORTANT
An athlete suffers from muscular cramps while running a race. How can you help him overcome the cramps? 
MEDIUM
7th CBSE
IMPORTANT
Name and explain in one sentence each, the two main processes of respiration. 
MEDIUM
7th CBSE
IMPORTANT
How does the exchange of gases occur in the following: a. fish and b. cockroach?
MEDIUM
7th CBSE
IMPORTANT
How do the nostrils contribute to the process of breathing?
MEDIUM
7th CBSE
IMPORTANT
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
What happens to the air breathed in, once it reaches the lungs? 
HARD
7th CBSE
IMPORTANT
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
How are combustion and cellular respiration similar to each other? In what ways are they different?