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State PCS PYQPrelims 2019

UPPCS · Question 122

Given below are two statements, one is labelled as Assertion (A) and the other as Reason (R). Assertion (A): Most of the vitamins are not synthesised in the human body. Reason (R): Human organs synthesise only essential micronutrients. Select the correct answer from the codes given below:

  1. Both (A) and (R) are true and (R) is the correct explanation of (A)
  2. Both (A) and (R) are 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
Show answer & explanation

Answer: (C) (A) is true, but (R) is false

Explanation

A is true: most vitamins must come from the diet. R is false: the body cannot synthesise essential micronutrients (that is why they are 'essential'). It makes only a few vitamins, such as D (skin) and some B and K via gut bacteria.