Which part of the neuron triggers events that may cause stimulation or inhibition of adjacent neurons and other cells ?

(1) Nucleus

(2) Cell body

(3) Neuron’s endings

(4) Axon

Complete the following analogy :-

Vertebrates : Brain : : Cockroach : ___________

(1) Lower-oesophageal ganglion

(2) Supra-oesophageal ganglion

(3) Nephrocytes

(4) Ommatidia

The type of vision in cockroach is:

(1) Nocturnal vision

(2) Superposition vision

(3) Dull vision

(4) Mosaic and nocturnal vision

Which among the following is not a sense organ of cockroach ?

(1) Labial palps

(2) Maxillary palps

(3) Caudal style

(4) Anal cerci

The nervous system of cockroach is made up of a series of ganglia which are joined by