SATHEE: Neural Control And Coordination Ques 21

Neural Control And Coordination Ques 21

21. In which animal nerve cell is present but brain is absent?

[2002]

(a) Sponge

(b) Earthworm

(c) Cockroach

(d) Hydra

Show Answer

Answer : d

Hints & Solutions

(d) A primitive type of nervous system, without brain is found in the form of intra epidermal nerve net. However, there is no brain in Hydra to coordinate the response.

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Neural Control And Coordination

Neural Control And Coordination Ques 21

21. In which animal nerve cell is present but brain is absent?

Answer : d

Hints & Solutions

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