EASY
9th ICSE
IMPORTANT
Earn 100

CO2 is not produced in anaerobic respiration in the human body.
(a)True
(b)False

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Important Questions on The Respiratory System
EASY
9th ICSE
IMPORTANT

EASY
9th ICSE
IMPORTANT

MEDIUM
9th ICSE
IMPORTANT

MEDIUM
9th ICSE
IMPORTANT
Match the items in the column-I with those in the column-II
Column-I | Column-II |
A. Nasal Chamber. | (I) Production of voice |
B. Epiglottis | (ii) C-Shaped ring |
C. Air-Sacs | (iii) Warm air |
D. Lungs | (iv) Drives mucus |
E. Larynx | (v) Closing windpipe during swallowing |
F. Trachea | (vi) Network of capillaries |
G. Cilia | (vii) Sponge and elastic |

EASY
9th ICSE
IMPORTANT
How do the ribs contribute to breathing?

MEDIUM
9th ICSE
IMPORTANT
How does the diaphragm contribute to breathing?

HARD
9th ICSE
IMPORTANT
Match the lung capacities in column I with the quantities given in column II:
Column I | Column II |
A. Residual air | (i) 4500ml |
B. Vital capacity | (ii) 6000ml |
C. Total lung capacity | (iii) 1500ml |
D. Dead air space | (iv) 150 ml |

EASY
9th ICSE
IMPORTANT
