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Question

Genetically dwarf plants can be induced to grown tall by using

A
Auxins
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B
Cytokinins
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C
Gibberellins
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D
Phycobillins
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Solution

The correct option is C Gibberellins
Gibberellin is a plant hormone which is responsible for stem elongation by promoting cell division and elongation. They are responsible for increased internodal length in a plant.
Auxins cause cell elongation and cell differentiation while cytokinins promote only cell division.
Phycobilins are pigments found in cyanobacteria which capture the light energy for photosynthesis in them.
Thus, the correct answer is option C.

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