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Question
Name the following:
Tissue concerned with upward conduction of water.
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Solution
Xylem
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The figure given below 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 :
(i) Name the parts indicated by guidelines ‘1’ to ‘5’
(ii) Is the root hair cell unicellular or multi-cellular?
(iii) Draw a labeled diagram of the root hair cell as it would appear if some fertilizer is added to the soil close to it.
(iv) Name the process responsible for the entry of water molecules from the soil into A1 and then A2.
(v) What pressure is responsible for the movement of water in the direction indicated by arrows?
(vi) How is this pressure set up?
Name the following:
Water is absorbed from the soil by which part.
Define: Root hair
Water which is absorbed by roots is transported to aerial parts of the plant through ______
In soil which of the following type of water is available for absorption by plant roots?
Root hair occurs in the zone of ____________.
Identify the part of the plants which is responsible for maximum absorption of water.
Look at Figure. Draw another figure of the same set-up as would be observed after a few hours.
