NEET2013Zoology-Respiration
NEET 2013 Zoology Insects MCQ Question
Type: MCQ-conceptual-Hard-Class 11
Which one of the following is one of the paths followed by air/O₂ during respiration in an adult male Periplaneta americana as it enters the animal body?
A
Spiracle in metathorax, trachea, tracheoles, oxygen diffuses into cells
B
Mouth, bronchial tube, trachea, oxygen enters cells
C
Spiracles in prothorax, tracheoles, trachea oxygen diffuses into cells
D
Hypopharynx, mouth, pharynx, trachea, tissues
Correct Answer
Option A
Detailed Explanation
In cockroaches, air enters through spiracles, passes through trachea and tracheoles, and diffuses directly into cells.
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