Question

Non-chordates have a central nervous system,
which is ventral, solid and double. In chordata, it
is :-
(1) Ventral, hollow and double
(2) Ventral, hollow and single
(3) Dorsal, hollow and single
(4) Dorsal, solid and single​

Answer 1

Answer:

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Explanation:

dorsal,hollow and single is the correct answer

Answer 2

The Chordates and Non-chordates are differentiated from each other by the presence of notochord.

The notochord is considered as the most important structure in the  life cycle of an animals.

In chordates the mode of respiration occurs through lungs or gills whereas in non chordates it is by trachea,gills or body surface.

The example of chordates is mammals and for non chordates is Arthropods.

The central nervous system in chordate is dorsal,hollow and single.

Hence,Therefore the option (3) is correct.

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