Question

Shells of molluscs are used for preparing ointments because they are rich in which of the following?

• A. Zinc
• B. Iodine
• C. Sodium
• D. Both A and B

Answer 1

The correct option is D Both A and B

• Molluscs are sea animals that possess certain minerals required for the human diet.
• The mollusc shell is a calcareous exoskeleton, rich in zinc and iodine.
• It encloses, supports and protects the soft body parts of the molluscs.
• This makes the molluscan shells to be used for ointments preparation and several other medicines where zinc and iodine are inevitable.

Thus, the correct answer is option D.