Question

Nerve ring of cockroach is formed by fusion of how many pairs of ganglia

Answer 1

ADVERTISEMENTS: Each ganglion of the nerve cord is formed by the fusion of twoganglia except the ganglion in the 7th segment. The ganglion in the 7th abdominal segment is the largest of all the abdominal ganglia and probably formed by the fusion of 3 pairs of ganglia.

Answer 2

Each ganglion of the nerve cord is formed by the fusion of two ganglia except the ganglion in the 7th segment. The ganglion in the 7th abdominal segment is the largest of all the abdominal ganglia and probably formed by the fusion of 3pairs of ganglia.