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Question
Fill in the Blank
Leaves get wilted if _________ is removed from the plant.
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Solution
Leaves get wilted if Xylem is removed from the plant.
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RELATED QUESTIONS
What part is played by the following in the uptake of water into the root hair?
The cell wall
Column ‘II’ is a list of items related to ideas in Column ‘I’. Match the term in Column ‘II’ with a suitable idea given in Column ‘I’.
| Column I | Column II |
| (i) Diffusion | (a) The exit or flow of water from the cell to the outer environment. |
| (ii) Xylem | (b) The shrinkage of protoplasm when the cell is kept in a hypertonic solution. |
| (iii) Root pressure | (c) The tissue through which water and mineral salts move upward in a plant. |
| (iv) Isotonic solution | (d) Two solutions which have equal osmotic pressure. |
| (v) Exosmosis | (e) The process by which the molecules of perfume spread in the room when the bottle is open. |
| (vi) Osmosis | (f) The process by which roots absorb water from the soil. |
| (vii) Plasmolysis | (g) The pressure by which water rises up to some feet in a lofty tree. |
| (viii) Hypotonic solution | (h) The concentration of the solution when lower than that of the cell sap. |
In the zone of absorption, epidermal cells form unicellular hair-like extensions called ________.
Outer layer of root hair is made up of ________.
Part of the root that absorbs water from the soil is ______.
Identify labels x, y, z in the given figure of root showing different regions.
____________plants like orchids absorb water vapours from air with the help of epiphytic roots having special tissue called velamen.
Root hair occurs in the zone of ____________.
The tubular, colorless delicate prolongations of epidennal cells are seen in which region of root in plants?
Look at Figure. Draw another figure of the same set-up as would be observed after a few hours.
