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प्रश्न
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उत्तर
(i) The epidermis and endodermis of root hairs are permeable to water.
(ii) Root hairs have a very large surface area.
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संबंधित प्रश्न
The phenomenon of loss of water through a cut stem or injured part of plant is called ___________.
Which one of the following is a characteristic NOT related with the suitability of the roots for absorbing water?
Concentration of mineral nutrient elements is higher inside the root hairs than in the surrounding soil. How do roots take them in from the soil?
Choose the correct answer:
Meaning of ascent of sap is ____________
Choose the correct answer:
Absorption of water from soil takes place by __________
Given below is the diagram of a cell as seen under the microscope after having been placed in a solution:
(i) What is the technical term used for the state/condition of the cell given above?
(ii) Give the technical term for the solution in which the cell was placed.
(iii) Name the parts numbered 1 to 4.
(iv) Is the cell given above a plant cell or an animal cell ? Give two reasons in support of your answer as evident from the diagram.
(v) What would you do to bring this cell back to its original condition?
Draw a neat and labelled diagram of the Root tip showing the root hair zone.
How many regions are there in a typical root?
Give other name of epidermal cells in roots of plants.
