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Question

In ectoderm of Hydra, bulk of cells are

A
Musculoepithelial
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B
Interstitial
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C
Nematoblasts
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D
Germ cells
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Solution

The correct option is A Musculoepithelial
The bulk of ectoderm in Hydra comprises of musculo-epithelial cells. These cells are known to cover the outer surface of the body and have longitudinal and circular muscles. The circular muscle fibres are known to line the gut cavity.
Therefore, the correct answer is option A.

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