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Question

Which part of Hydra is without nematoblasts?

A
Pedal disc
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B
Tentacles
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C
Manubrium
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D
Stomach region
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Solution

The correct option is A Pedal disc
Pedal/basal disc or the foot attaches Hydra to the substratum, it does not help in predating therefore it does not contain nematoblasts.
So, the correct answer is 'Pedal disc'

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