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Question

Which of the following statements are incorrect?

(i) Vitamin A helps to prevent night blindness.
(ii) Vitamin C prevents rickets.
(iii) Vitamin K helps in clotting of blood.
(iv) Iron helps to prevent goitre.
(v) Potassium helps to regulate fluid balance in our body.

A
(i) and (ii)
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B
(i) and (ii)
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C
(ii) and (iv)
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D
(ii), (iv) and (v)
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Solution

The correct option is C (ii) and (iv)
  • Vitamin C stops internal bleeding, prevents infections and strengthens blood vessels but it does not prevent rickets. Rickets can be prevented by supplying enough vitamin D to the body.
  • Iron helps in transportation of oxygen to different parts of the body as it is a constituent of haemoglobin. It does not prevent goitre. Iodine helps prevent goitre.

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