Time taken for the pearl to be formed is

One year

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Three years

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Five years

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Seven years

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Solution

The correct option is B Five years
When a foreign particle enters between the shell and mantle of the animal, a secretion comes out from mother-of-pearl of mantle. This secretion surrounds the foreign particle which later becomes hard and glossy pearl. Pearl is formed outside the mantle but inside the shell of mollusk. Time taken for the pearl to be formed is five years.
Thus, the correct answer is option C.

Suggest Corrections

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n

17

m

17

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