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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 of an given below demonstrates a particular process in plants. Study the same and answer the questions that follow :
(i) Name the apparatus.
(ii) Which phenomenon is demonstrated by this apparatus?
(iii) Explain the phenomenon mentioned in (ii) above.
(iv) State two limitations of using this apparatus.
(v) What is the importance of the air bubble in the experiment?
(vi) Name the structures in a plant through which the above process takes place.
Mention whether the following statement is true or false. Correct the false statement by altering the last word only.
The cell wall of the root cell is a differentially permeable membrane.
Given below is the diagrammatic representation of the transverse section of a part of a plant. Study it and answer the questions that follow:
(a) Name the part of the plant that is shown
(b) Label the parts 1 to 6
(c) Write the functions of parts 3 and 5
How is root hair structurally adapted for absorption of water from the soil?
A thin strip of epidermal cells of a leaf was observed in a drop of water. They all looked turgid and normal.
(a) Draw a diagram of such a cell.
(b) Draw a diagram of a cell if this strip is transferred to a strong concentrated solution of sugar. What is term used for the effect on the cells ?
Most plant cells and tissues constitutes _____ % water.
Define: Root hair
What is the composition of an outer layer of root hair?
How many regions are there in a typical root?
Name the following:
Unicellular outgrowths from the epidermis of roots.
