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Question

Which of the following plant growth regulator is a terpene?

A
Kinetin
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B
IAA
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C
GA3
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D
Ethylene
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Solution

The correct option is C GA3
  • GA3 is known as terpene first discovered in Phaseolus coccineus
by MacMillan (1960) and help plant in helping:-
  1. Stem and leaf growth.
  2. Bolting.
  3. Seed germination.
  4. Sex expression.
  5. So the correct option is 'GA3'.

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