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प्रश्न
Multiple Choice Question:
Water will be absorbed by the root hairs when:
विकल्प
Concentration of solutes in the cell sap is high
Concentration of solutes in the soil is high
The plant is rapidly respiring
None of the above
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उत्तर
Concentration of solutes in the cell sap is high
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संबंधित प्रश्न
What are root hair? Mention the function performed by the root hair.
Match the items in column I with those in column II
| Column I | Column II | ||
| (a) | Xylem | (i) | semi - permeable |
| (b) | Phloem | (ii) | permeable |
| (c) | Cell membrane | (iii) | downward flow of sap |
| (d) | Root pressure | (iv) | upward flow of water |
| (e) | Cell wall | (v) | guttation |
Given below is an experimental demonstration.

(i) Which phenomenon has been demonstrated in the given figure?
(ii) What is the solute and what is solvent in the above experiment?
(iii) Define the phenomenon in Q. (i) above.
(iv) Give one example from your daily life experiences based on this principle.
Name the following:
The kind of cells that constitute the cortex of a root.
Give Technical Term for the following.
Tissue which transports manufactured food from leaves to other parts of the plant.
What is the composition of inner layer of root hair?
Draw a neat and labelled diagram of Root hair.
What would happen to the leaves of a plant that transpires more water than its absorption in the roots?
Which part of the root helps in the maximum absorption of water and minerals?
Give other name of epidermal cells in roots of plants.
