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ABHYAS PREP: SCIENCE AND TECHNOLOGY (UPSC AND MPSC) · NUTRITION

Chemical names of vitamins

Retinol, thiamine, ascorbic acid and the rest.

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Worked examples

Example 1 · level 1

Retinol is the chemical name of which vitamin?

  1. Vitamin B12
  2. Vitamin A
  3. Vitamin D
  4. Vitamin B1
Show solution
  1. Vitamin A: Retinol (fat-soluble).
  2. Vitamin B1: Thiamine.
  3. Vitamin D: Calciferol (fat-soluble).
  4. Vitamin B12: Cobalamin (contains cobalt).
  5. Source: https://ncert.nic.in/textbook.php

Answer: Vitamin A

Example 2 · level 2

Ascorbic acid is the chemical name of which vitamin?

  1. Vitamin B9
  2. Vitamin B12
  3. Vitamin D
  4. Vitamin C
Show solution
  1. Vitamin C: Ascorbic acid (water-soluble).
  2. Vitamin B12: Cobalamin (contains cobalt).
  3. Vitamin D: Calciferol (fat-soluble).
  4. Vitamin B9: Folic acid.
  5. Source: https://ncert.nic.in/textbook.php

Answer: Vitamin C

Example 3 · level 3

Consider the following pairs (Vitamin : Chemical name): 1. Vitamin D : Phylloquinone 2. Vitamin C : Tocopherol 3. Vitamin B3 : Riboflavin How many of the pairs given above are correctly matched?

  1. Only one pair
  2. Only two pairs
  3. All three pairs
  4. None of the pairs
Show solution
  1. Pair 1 is wrong: Vitamin D is not Phylloquinone. Vitamin D: Calciferol (fat-soluble).
  2. Pair 2 is wrong: Vitamin C is not Tocopherol. Vitamin C: Ascorbic acid (water-soluble).
  3. Pair 3 is wrong: Vitamin B3 is not Riboflavin. Vitamin B3: Niacin.
  4. So 0 of the 3 pairs are correctly matched.
  5. Source: https://ncert.nic.in/textbook.php

Answer: None of the pairs

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