GATE (Graduate Aptitude Test in Engineering) Pharmaceutical Engineering: Questions 1 of 120

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» Pharmaceutical Chemistry » Various Classes of Therapeutic Agents

Appeared in Year: 1990

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Question

Vitamin D2 is:

Choices

Choice (4) Response

a.

5,6 cis- chlorcalciferol

b.

22,23-Dihydro -5,6 cis –ergocalciferol

c.

7- dehydrocholesterol

d.

21,24 – dihydro 5,6 cis ergocalciferol

Answer

b.

Explanation

Structure of Ergocalciferol

Structure of Ergocalciferol

Structure of Ergocalciferol

Vitamin D2 also known as ergocalciferol is a type of vitamin D which is found in diet. Vitamin D3 also known as cholecalciferol along with D2 is used as dietary supplement in deficiencies of vitamin D which may lead to malabsorption of calcium and weakening of teeth and bones.

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