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Question

Sensory structure of a cnidoblast is

A
Cnidocil
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B
Retractile rods
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C
Myonemes
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D
Operculum
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Solution

The correct option is A Cnidocil
There are mechano and chemoreceptors on the surface of the cnidoblast that can trigger the discharge of the nematocyst which is used for defence strategies by the organism. These structures are called cnidocil.
So, the correct answer is 'Cnidocil'.

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