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प्रश्न
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 |
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उत्तर
| Column I | Column II | ||
| (a) | Xylem | (iv) | upward flow of water |
| (b) | Phloem | (iii) | downward flow of sap |
| (c) | Cell membrane | (i) | semi - permeable |
| (d) | Root pressure | (v) | guttation |
| (e) | Cell wall | (ii) | permeable |
संबंधित प्रश्न
the exact location of the Lenticels
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?
Mention whether the following statement is true (T) or false (F) and give an explanation in support of your answer.
If the phloem of a twig is removed keeping the xylem intact, the leaves of a twig wilt.
Draw a diagram of the root hair cell as it would appear when a concentrated solution of fertilizers is added near it.
Name the following:
The solution outside the cell having lower solute concentration than the fluids.
Mention, if the following statement is True or False. If false rewrite the wrong statement in its correct form:
Xylem is the water-conducting tissue in plants.
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. |
Multiple Choice Question:
Process of endosmosis stops:
Draw a neat and labelled diagram of Root hair.
