The figure given above is a diagrammatic representation of a part of the cross-section of the root in the root hair zone. Study the same and then answer the questions that follow :
(a) Name the parts indicated by guidelines 1 to 5. (b) Is the root hair cell unicellular or multicellular?
(c) Explain what would happen to the root hair cell if some fertilizer is added to the soil close to it. (d) Name the process responsible for the entry of water
molecules from the soil into A¹ and then into A².
(e) What pressure is responsible for the movement of water in the direction indicated by arrows?
(f) How is this pressure set up ?
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(d)osmosis
(e) root pressure
(f) root pressure is built due to cell osmosis in the root tissue.the turgid cell processes the next cell ,the force of flow of water increase inward.the root pressure also cause raise in water from root to stem and then to leaves.
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