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प्रश्न
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. |
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उत्तर
| Column I | Column II |
| (i) Diffusion | (e) The process by which the molecules of perfume spread in the room when the bottle is open. |
| (ii) Xylem | (c) The tissue through which water and mineral salts move upward in a plant. |
| (iii) Root pressure | (g) The pressure by which water rises up to some feet in a lofty tree. |
| (iv) Isotonic solution | (d) Two solutions which have equal osmotic pressure. |
| (v) Exosmosis | (a) The exit or flow of water from the cell to the outer environment. |
| (vi) Osmosis | (f) The process by which roots absorb water from the soil. |
| (vii) Plasmolysis | (b) The shrinkage of protoplasm when the cell is kept in a hypertonic solution. |
| (viii) Hypotonic solution | (h) The concentration of the solution when lower than that of the cell sap. |
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संबंधित प्रश्न
The diagram given below represents the results of an experiment conducted on two freshly taken leafy shoots of a herbaceous plant. The lower ends of the shoots dip in ordinary water.
(i) What is the aim of the experiment?
(ii) Some parts of the stem in both the shoots have been removed. Name the conducting tissue in shoot (a) and in shoot (b) that has been removed.
(iii) What are the results of this experiment?

The diagram below represents a layer of epidermal cells showing a fully grown root hair. Study the diagram and answer the questions that follow:

Mention one distinct difference between the parts labelled A and B.
Study the experimental setup in the figure and then answer the question that follow.

What is meant by 'semipermeable membrane'?
Name the following:
The kind of cells that constitute the cortex of a root.
Define: Root hair
Write a note on the morphological structure of the root.
What would happen to the leaves of a plant that transpires more water than its absorption in the roots?
____________ regions are present in a typical root.
Root hair occurs in the zone of ____________.
