(B) $Hydra$ possesses a very primitive nervous system consisting of a nerve net of bipolar and multipolar nerve cells.Unlike higher animals,it lacks a

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(B) $Hydra$ possesses a very primitive nervous system consisting of a nerve net of bipolar and multipolar nerve cells.Unlike higher animals,it lacks a centralized nervous system or a brain.Therefore,$Hydra$ has a nervous system but no brain.

Class 11 Biology Animal Kingdom Phylum-Coelenterata (Cnideria)

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Which of the following animals has a nervous system but no brain?

AIPMT 2002 All AIPMT

A
Pheretima
B
Hydra
C
Amoeba
D
Periplaneta

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Animal Kingdom

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Phylum-Coelenterata (Cnideria)

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These animals exhibit tissue-level organization,are diploblastic,and show radial or bilateral symmetry.

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Which of the following coral reefs is horse shoe shaped reef that encircles a lagoon but not an island?

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In $Hydra$,new nematocysts develop from:

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Give general characteristics of phylum Coelenterata (Cnidaria).

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Which form in Phylum $Cnidaria$ is free-swimming?

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Which of the following animals has a nervous system but no brain?

Similar Questions

These animals exhibit tissue-level organization,are diploblastic,and show radial or bilateral symmetry.

Which of the following coral reefs is horse shoe shaped reef that encircles a lagoon but not an island?

In $Hydra$,new nematocysts develop from:

Give general characteristics of phylum Coelenterata (Cnidaria).

Which form in Phylum $Cnidaria$ is free-swimming?

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