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Question

Genetic dwarfism can be overcome by

A
Gibberellin
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B
Ethylene
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C
Auxin
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D
ABA
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Solution

The correct option is A Gibberellin
One of the functions of gibberellin is to promote stem elongation. When it is used on a dwarf plant the length of the internode increases. This increase in the internode length results in the plant growing taller. This property of gibberellin is used in order to overcome genetic dwarfism. Thus the correct answer is option A.

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