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Question
Natural pearl is formed by a
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Solution
The correct option is A Bivalve
Most pearl producing mollusks are bivalves, meaning their shells have two halves connected by a hinge (like a clam), a soft body with a small foot, a byssal gland and paired gills. All species of bivalves are capable of producing pearls, but only a few can secrete a nacreous coating that has the attractive pearly luster of gem pearl. Hence, option A is correct.
Most pearl producing mollusks are bivalves, meaning their shells have two halves connected by a hinge (like a clam), a soft body with a small foot, a byssal gland and paired gills. All species of bivalves are capable of producing pearls, but only a few can secrete a nacreous coating that has the attractive pearly luster of gem pearl. Hence, option A is correct.
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