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# Which of the following physiological effect is caused in plants by gibberellic acid

$\begin{array}{1 1}(A)\;\text{Shortening of genetically tall plants}\\(B)\;\text{Elongation of genetically tall plants}\\(C)\;\text{Both}\\(D)\;\text{None}\end{array}$

Elongation of genetically tall plants is caused in plants by gibberellic acid
Hence (B) is the correct answer.