AIPMT PRELIMS2006Zoology-Animal Physiology
AIPMT PRELIMS 2006 Zoology Respiratory System MCQ Question
Type: MCQ-conceptual-Medium-Class 11
Which one of the following statements is incorrect?
A
The residual air in lungs slightly decreases the efficiency of respiration in mammals
B
The presence of non-respiratory air sacs, increases the efficiency of respiration in birds
C
In insects, circulating body fluids serve to distribute oxygen to tissues
D
The principle of countercurrent flow facilitates efficient respiration in gills of fishes
Correct Answer
Option A
Detailed Explanation
Insects use a tracheal system for gas exchange, where air is directly delivered to tissues, not through circulating body fluids.
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