What is the correct answer?
4
Which of the following statement(s) is/are correct about nervous system of cockroach ?
- It consists of a series of fused segmentally arranged ganglia joined by paired longitudinal connectives on the ventral side.
- There are six ganglia lie in the thorax, and three in the abdomen.
- The sense organs are antennae, eyes, maxillary pulps, labial pulps and anal cerci etc.
- Each eye consists of about 5000 hexagonal ommatidia.