NEET 2020 Zoology question on Neural Control and Coordination

1. A.
   the cockroach does not have nervous system.
2. B.
   the head holds a small proportion of a nervous system while the rest is situated along the ventral part of its body.
3. C.
   the head holds a 1/3rd of a nervous system while the rest is situated along the dorsal part of its body.
4. D.
   the supra-oesophageal ganglia of the cockroach are situated in ventral part of abdomen.

[NEET 2020]