Question

Though very little water is required for photosynthesis then why do we give so much water to plants

Answer 1

Answer:

Plants lose a lot of water during transpiration, hence this water has to be continuously replaced. The cell's of the plant will shrink if there is water shortage.

Water is not only needed for photosynthesis, but also for transportation and maintenance of turgid state of cell's . Plants also need water for obtaining minerals from soil.

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