Home PYQs UPPSC UPPSC MCQs Prelims 2005 (GS Paper I)

Question

Which one of the following chemicals helps in fruit ripening?

  1. Ethephon
  2. Atrazine
  3. Isoproturan
  4. Malathion

Answer:

Option A: Ethephon

Detailed Solution:

The correct answer is “Ethephon”.

The chemical that helps in fruit ripening is ethylene (also known as ethene). Ethephon is a plant growth regulator that releases ethylene when it breaks down.