Question

Central nervous system of cockroach consist of:

• A. Cerebral or supraoesophageal ganglion
• B. Suboesophageal ganglion
• C. Paired circumesophageal connective
• D. All of these

Answer 1

The correct option is D All of these

Central nervous system of cockroach consists of paired longitudinal connectives on ventral side.

Head has supra-oesophageal ganglion and rest of the ganglion is present in the thorax region known as sub-oesophageal ganglion.

So, the correct option is D.