Zoology-Mechanism of Breathing
NEET Zoology Mechanism of Breathing Match the Following Question
Type: Match the Following-match the column-Medium-Class 11
Match Column-I with Column-II.
Column-I Column-II (a) Inspiration (i) Decrease in thoracic volume (b) Expiration (ii) Increase in pulmonary volume (c) Diaphragm (iii) Intercostal muscle contraction (d) Alveoli (iv) Site of gas exchange
Choose the correct matching:
A
a-ii, b-i, c-iii, d-iv
B
a-i, b-ii, c-iv, d-iii
C
a-iv, b-iii, c-i, d-ii
D
a-iii, b-iv, c-ii, d-i
Correct Answer
Option A
Detailed Explanation
Inspiration involves an increase in pulmonary volume (a-ii), while expiration is characterized by a decrease in thoracic volume (b-i). The diaphragm contracts during inspiration (c-iii) and the alveoli are the site of gas exchange (d-iv).
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