STANDARDZoology-Respiratory System
STANDARD Zoology Insect Respiration MCQ Question
Type: MCQ-conceptual-Medium
Which one of the following is one of the paths followed by air or O₂ during respiration in the 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 Periplaneta americana, air enters through spiracles in the metathorax, passes through the trachea and tracheoles, and oxygen diffuses into cells.
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