Hereditary variations in plants have been produced by the use of [CPMT – McqOptions

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1.	Hereditary variations in plants have been produced by the use of [CPMT 1974, 75, 84; NCERT 1983]
A.	X-rays
B.	Gibberellic acid
C.	D.D.T.
D.	Auxins
Answer» B. Gibberellic acid

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