NEET2020Zoology-Invertebrate Anatomy

NEET 2020 Zoology Nervous System MCQ Question

Type: MCQ-conceptual-Medium-Class 11

If the head of cockroach is removed, it may live for few days because:

A

the head holds a small proportion of a nervous system while the rest is situated along the ventral part of its body.

B

the head holds a 1/3rd3^{rd} of a nervous system while the rest is situated along the dorsal part of its body.

C

the supra-oesophageal ganglia of the cockroach are situated in ventral part of abdomen.

D

the cockroach does not have nervous system.

Correct Answer

Option A

Detailed Explanation

Cockroaches can survive without their head because the majority of their nervous system is distributed along the ventral side of their body.

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