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Question
Common between trichocysts of Paramecium and nematocysts of Hydra is
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Solution
The correct option is B Attachment and defence
Trichocysts are numerous minute rod like structures each containing a portrusible element. Paramecium consist of filamentous trichocysts in response to stimuli, danger and for attachment. In Hydra, the nematocytes do the same function of identifying danger and in defense releasing the toxin. The tentacles containing nematocysts are also used for attachment to the substratum. So, the correct answer is 'Attachment and Defence'
Trichocysts are numerous minute rod like structures each containing a portrusible element. Paramecium consist of filamentous trichocysts in response to stimuli, danger and for attachment. In Hydra, the nematocytes do the same function of identifying danger and in defense releasing the toxin.
The tentacles containing nematocysts are also used for attachment to the substratum.
So, the correct answer is 'Attachment and Defence'
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