Plant Growth and DevelopmentHard

Question

How many plant growth regulators, in the list given below, are not naturally found in plants ?
2,4-Dichlorophenoxy acetic acid,
Indole butyric acid,
Zeatin,
Naphthalene acetic acid,
Kinetin,
Indole acetic acid

Options

A.Three
B.Five
C.Four
D.Two

Solution

NCERT XI Eng. Pg # 248 (Topic = Auxin ⇒ 1st para) and Pg # 249 (last para)

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