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Question
The process by which root hairs absorb water from the soil.
Solution
Osmosis
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RELATED QUESTIONS
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.
Xylem is the water conducting tissue in plants.
Study the experimental setup in the figure and then answer the question that follow.
What is meant by 'semipermeable membrane'?
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. |
What is the composition of an outer layer of root hair?
What is the composition of inner layer of root hair?
Draw a neat and labelled diagram of the Root tip showing the root hair zone.
Minerals cannot be passively absorbed by the roots.
