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Phylum Cnidaria

Hydra can par...

Question

Hydra can paralyse prey by

A

Nematocysts

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B

Tentacles

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C

Mouth

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D

None of these

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Solution

The correct option is A Nematocysts
Nematocyst is the specialized cell in the tentacles of hydra. It is also called as cnidocyte and carries neurotoxin that projects in self-defense and to catch preys. When neurotoxin comes in contact with prey it paralyzes them by suppressing the activity of the nervous system.

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