During drought conditions, plant produces a hormone known as

Options :
  1. IAA
  2. Ethylene
  3. ABA
  4. indole butyric acid
Answer and Explanation :-

Answer: Option 3

Explanation:

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And therein lies the whole of man's plight. Human time does not turn in a circle it runs ahead in a straight line. That is why man cannot be happy: happiness is the longing for repetition.
-Milan Kundera The Unbearable Lightness of Being