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Plant Growth and Development — BIOLOGY STD 11 Science — Question

Gujarat BoardEnglish MediumSTD 11 ScienceBIOLOGYPlant Growth and Development2 Marks
Question
In areas witnessing heavy flood which plant regulator should be used for better yield of rice. Give reasons.
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Answer

Ethylene should be used on rice saplings. Ethylene promotes internode and petiole elongation so the height of the rice plant will be more. Additionally, ethylene also helps in maintaining aerial parts of a plant above the water.

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