EASY
12th Maharashtra Board
IMPORTANT
Earn 100

What are the main features of the respiratory surface?

Important Questions on Respiration and Circulation

EASY
12th Maharashtra Board
IMPORTANT
Biology Standard 12>Chapter 8 - Respiration and Circulation>Curiosity Box>Q 2
Which are the parts of plant that help in the process of gaseous exchange?
EASY
12th Maharashtra Board
IMPORTANT
Biology Standard 12>Chapter 8 - Respiration and Circulation>Use Your brain Power>Q 1
Why large animals cannot carry out respiration without the help of circulatory system?
HARD
12th Maharashtra Board
IMPORTANT
Biology Standard 12>Chapter 8 - Respiration and Circulation>Find Out>Q •

Kavya underwent a surgical procedure called rhinoplasty. What could have been the reason for such a surgery? On which part of the body is it carried out?

HARD
12th Maharashtra Board
IMPORTANT
Biology Standard 12>Chapter 8 - Respiration and Circulation>Find Out>Q •
What is the role of tonsils in our body? How many pairs of tonsils do we have?
MEDIUM
12th Maharashtra Board
IMPORTANT
Biology Standard 12>Chapter 8 - Respiration and Circulation>Do you Know?>Q •
Shreyas choked while eating dinner. How can you help him? What is the immediate help that can be given to him?
EASY
12th Maharashtra Board
IMPORTANT
Biology Standard 12>Chapter 8 - Respiration and Circulation>Do you Know?>Q •
What is a role of epiglottis?
HARD
12th Maharashtra Board
IMPORTANT
Biology Standard 12>Chapter 8 - Respiration and Circulation>Try This>Q 1

Count the number of breaths you take in the following situations:

(a) After a good night's sleep.

(b) During a vigorous activity (running, climbing stairs etc).

(c) After the vigorous activity.

Do you find any difference in the count?

MEDIUM
12th Maharashtra Board
IMPORTANT
Biology Standard 12>Chapter 8 - Respiration and Circulation>Try This>Q 1

Count the number of breaths you take in the following situations:

During a vigorous activity (running, climbing stairs, etc.)