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  9. Q89

UPPSC PCS 2015 · Question 89 of 136

Peeling of onions causes tears as onions release

Science

  1. ASulphonic acid
  2. BSulfenic acidCorrect
  3. CAmino acid
  4. DCarbolic acid

Answer: B. Sulfenic acid

Explanation

Onion is a rich source of nutrients, including vitamins B, C and G, protein, starch and a series of essential elements.

Source: selfstudyhistory.com UPPSC Prelims 2015 solved paper (Set B)

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