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