Which one of the following is motive force for growth?

Turgor pressure

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Root pressure

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Atmospheric pressure

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Osmotic pressure

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Solution

The correct option is A Turgor pressure
Water, oxygen and nutrients as an essential elements for growth. The plant cells grow in size by cell enlargement, which in turn requires water. Turgidity of cells helps in the extension of growth. Thus, plant growth and further development are intimately linked to the water status of the plant.
So, the correct answer is option A.

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