Which of the following is correct w.r.t. nervous system of Periplaneta americana?

Ventral part of body holds a bit of nervous system while rest is present in head

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Brain supplies nerves to antennae and compound eyes

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Brain is represented by sub-oesophageal ganglion

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If the head of cockroach is removed, it will immediately die as brain is situated in head region

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Solution

The correct option is B Brain supplies nerves to antennae and compound eyes
Head holds a bit of nervous system while the rest is situated along the ventral part of its body. Brain is represented by supra-oesophageal ganglion. If the head of cockroach is cut off, it will still live for as long as one week.

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