NEET Previous Year Question
If the head of cockroach is removed, it may live for few days because
Topic: NEET PYQ
Answer: B. Full step-by-step solution below.
- AThe cockroach does not have nervous system
- BThe head holds a small proportion of a nervous system while the rest is situated along the ventral part of its body
- CThe head holds a of a nervous system while the rest is situated along the dorsal part of its body
- DThe supra-oesophageal ganglia of the cockroach are situated in ventral part of abdomen
Correct answer: B
Solution
(b) The nervous system of cockroach consists of a series of fused, segmentally arranged ganglia joined by paired longitudinal connectives on the ventral side. The brain is represented by supra-oesophageal ganglion which supplies nerves to antennae and compound eyes.More Structural Organisation in Animals PYQs
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