Which of the following is the part of the epidermis of molluscs that typically secretes the shell?
A
Ospharadium
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B
Mantle
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C
Ctenidium
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D
Odontophore
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Solution
The correct option is B Mantle The mantle forms the outer wall of the mollusc's body and encloses its visceral mass, including the heart, stomach, intestines and gonads. The epidermis of the mantle secretes calcium carbonate and conchiolin that makes, repairs and maintains the shell. Thus the correct answer is option B.