Home PYQs UPPSC UPPSC MCQs Prelims 2021 (GS Paper I)

Question

Given below are two statements, one labelled as:

Assertion (A): Human body synthesises all the vitamins required by it.
Reason (R): Vitamins are essential for proper growth of the body.

Select the correct answer from the codes give below:

  1. Both (A) and (R) are true and (R) is the correct explanation of (A)
  2. Both (A) and (R) re true but (R) is not the correct explanation of (A)
  3. (A) is true, but (R) is false
  4. (A) is false, but (R) is true

Answer:

Option D: (A) is false, but (R) is true

Detailed Solution:

The correct answer is “(A) is false, but (R) is true”.

Humans are able to synthesize certain vitamins to some extent.

For example, vitamin D is produced when the skin is exposed to sunlight; niacin (Vitamin B3) can be synthesized from the amino acid tryptophan; and vitamin K and biotin (Vitamin B7) are synthesized by bacteria living in the gut.