EASY
10th Andhra Pradesh Board
IMPORTANT
Earn 100

What is the composition of inhaled air?

Important Questions on Respiration- The energy producing system

EASY
10th Andhra Pradesh Board
IMPORTANT
BIOLOGY Class 10>Chapter 2 - Respiration- The energy producing system>Exercise 7>Q ●
Gas Inhaled air % Exhaled air %
Oxygen  21 16
Carbon dioxide 0.03 4.4
Nitrogen 78 78

Why does the amount of oxygen vary between exhaled and inhaled air?

 

EASY
10th Andhra Pradesh Board
IMPORTANT
BIOLOGY Class 10>Chapter 2 - Respiration- The energy producing system>Exercise 7>Q ●
Gas Inhaled air % Exhaled air %
Oxygen  21 16
Carbon dioxide 0.03 4.4
Nitrogen 78 78

What has raised the percentage of carbon dioxide in exhaled air?

EASY
10th Andhra Pradesh Board
IMPORTANT
BIOLOGY Class 10>Chapter 2 - Respiration- The energy producing system>Exercise 8>Q ●
Do cells of alveoli or lungs also require oxygen to carry out cellular respiration? Why/Why not?
EASY
10th Andhra Pradesh Board
IMPORTANT
BIOLOGY Class 10>Chapter 2 - Respiration- The energy producing system>Exercise 9>Q ●
After undergoing strenuous exercise we feel pain in muscles, does adequate oxygen reach the muscles?  
EASY
10th Andhra Pradesh Board
IMPORTANT
BIOLOGY Class 10>Chapter 2 - Respiration- The energy producing system>Exercise 9>Q ●
What is being formed in muscles after undergoing strenuous exercise?
EASY
10th Andhra Pradesh Board
IMPORTANT
BIOLOGY Class 10>Chapter 2 - Respiration- The energy producing system>Lab Activity>Q ●
Respiration is an energy releasing pathway, do you agree? Justify your answer.  
MEDIUM
10th Andhra Pradesh Board
IMPORTANT
BIOLOGY Class 10>Chapter 2 - Respiration- The energy producing system>Exercise 12>Q ●
Except for respiration, what are the other ways in which our body loses heat?
EASY
10th Andhra Pradesh Board
IMPORTANT
BIOLOGY Class 10>Chapter 2 - Respiration- The energy producing system>Exercise 12>Q ●
Is the rate of heat production always the same?