Define tidal volume.

Important Questions on Breathing and Exchange of Gases

EASY

11th CBSE

IMPORTANT

NCERT Exemplar Biology - Class 11>Chapter 17 - Breathing and Exchange of Gases>VERY SHORT ANSWER TYPE QUESTIONS>Q 1

Define residual volume.

EASY

11th CBSE

IMPORTANT

NCERT Exemplar Biology - Class 11>Chapter 17 - Breathing and Exchange of Gases>VERY SHORT ANSWER TYPE QUESTIONS>Q 1

Define asthma.

MEDIUM

11th CBSE

IMPORTANT

NCERT Exemplar Biology - Class 11>Chapter 17 - Breathing and Exchange of Gases>VERY SHORT ANSWER TYPE QUESTIONS>Q 2

A fluid-filled double membranous layer surrounds the lungs. Name it and mention its important function.

MEDIUM

11th CBSE

IMPORTANT

NCERT Exemplar Biology - Class 11>Chapter 17 - Breathing and Exchange of Gases>VERY SHORT ANSWER TYPE QUESTIONS>Q 3

Name the primary site of exchange of gases in our body?

MEDIUM

11th CBSE

IMPORTANT

NCERT Exemplar Biology - Class 11>Chapter 17 - Breathing and Exchange of Gases>VERY SHORT ANSWER TYPE QUESTIONS>Q 4

Cigarette smoking causes emphysema. Give reason.

EASY

11th CBSE

IMPORTANT

NCERT Exemplar Biology - Class 11>Chapter 17 - Breathing and Exchange of Gases>VERY SHORT ANSWER TYPE QUESTIONS>Q 5

 What is the amount of O₂ supplied to tissues through every 100 ml of oxygenated blood under normal physiological conditions?

EASY

11th CBSE

IMPORTANT

NCERT Exemplar Biology - Class 11>Chapter 17 - Breathing and Exchange of Gases>VERY SHORT ANSWER TYPE QUESTIONS>Q 6

 A major percentage (97%) of O₂ is transported by RBCs in the blood. How does the remaining percentage (3%) of O₂ is transported?

MEDIUM

11th CBSE

IMPORTANT

NCERT Exemplar Biology - Class 11>Chapter 17 - Breathing and Exchange of Gases>VERY SHORT ANSWER TYPE QUESTIONS>Q 7

Arrange the following terms based on their volumes in ascending order:
(a) Tidal Volume (TV)
(b) Residual Volume (RV)
(c) Inspiratory Reserve Volume (IRV)
(d) Expiratory Capacity (EC)