NEETZoology-Respiration in Animals
NEET Zoology Regulation of Respiration MCQ Question
Type: MCQ-conceptual-Medium-Class 11
Read the following statements : (a) Respiratory rhythm centre is present in medulla region. (b) Chemosensitive area is highly sensitive to CO₂ and hydrogen ions. (c) The role of oxygen in the regulation of respiratory rhythm is quite significant. (d) Pneumotaxic centre is present in pons region. (e) Receptors associated with aortic arch and carotid artery can recognise changes in CO₂ and H⁺ concentration. How many statements are correct about regulation of respiration?
A
Three
B
Four
C
Five
D
Two
Correct Answer
Option B
Detailed Explanation
Statements (a), (b), (d), and (e) are correct. Oxygen's role in respiratory rhythm is not as significant as CO₂ and H⁺.
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