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Question
In Pearl oyster, pearl is formed by secretion of
In Pearl oyster, pearl is formed by secretion of
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Solution
The correct option is C Mantle
In Pearl oyster when a foreign particle enters between the shell and mantle, secretion comes out from mother-of-pearl of mantle. This secretion surrounds the foreign particle which later becomes hard and glossy. This hard and glossy substance is known as pearl. Pearl is formed outside the mantle but inside the shell of mollusk. Thus, the correct answer is option B.
In Pearl oyster when a foreign particle enters between the shell and mantle, secretion comes out from mother-of-pearl of mantle. This secretion surrounds the foreign particle which later becomes hard and glossy. This hard and glossy substance is known as pearl. Pearl is formed outside the mantle but inside the shell of mollusk.
Thus, the correct answer is option B.
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