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Question

Power regeneration in Hydra is more than

A
Sponges
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B
Asterias
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C
Obelia
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D
Aurelia
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Solution

The correct option is B Asterias
Regeneration is the phenomenon in which the organism has an ability to replace the damaged or lost parts of the body from a small unit. These are of three types: physiological, reparative and autotomy. Of the given four options, Hydra has more regeneration power than Asterias. Regenerative capacity of sponges and coelenterates is very high.
Thus, the correct answer is option B.

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