Q15 of 61 Page 58

The substance that triggers the fall of mature leaves and fruits from plants is due to

The substance that triggers the fall of mature leaves and fruits from plants is due to abscisic acid.

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The growth of pollen tubes towards ovules is due to

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The movement of sunflower in accordance with the path of sun is due to

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Which of the following is not associated with growth of plant?

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Iodine is necessary for the synthesis of which hormone?