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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. |
संबंधित प्रश्न
Name the following:
The process by which water enters root hairs.
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?
Three plants (a), (b) and (c) were placed in beakers containing coloured water. The water in each beaker was covered with a layer of oil. The leaves were removed from plant (b), while plant (c) was exposed to strong light.
(i) In which plant, (a), (b) or (c) would the water move up the fastest?
(ii) In which plant (a), (b) or (c), would the water move up slowly?
(iii) Why was the water covered with a layer of oil?
(iv) What is being investigated by 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.
How is root hair structurally adapted for absorption of water from the soil?
Grapes shrink when immersed in a very strong sugar solution.” Explain.
Draw a cross-section of root showing association of soil particles with root hairs.
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?
Epiphytic plants like orchids absorb water vapours from air with the help of ______ having special tissue called velamen.
