Read the following statements and pick out the correct option.
I) Neural system of Hydra is composed of a network of neurons.
II) In insects, a brain is present along with a number of ganglia and neural tissues.
III) The neural organisation of earthworm is more developed than that of devilfish.
IV) The neural system provides an organized network of point-to-point connections for a slow coordination.

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Only I and II are true.

Only I, II and III are true.

Only II, III and IV are false.

Only II and III are false.

answer is A.

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Detailed Solution

Neural system of Hydra is composed of a network of neurons.

In insects' neural system, a brain is present along with a number of ganglia and neural tissues.

The neural organisation of devil fish is comparatively more developed than that of the earthworm.

The neural system provides an organised network of point–to–point connections for a fast coordination.

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