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प्रश्न
Name the following:
Water is absorbed from the soil by which part.
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उत्तर
Root hairs
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संबंधित प्रश्न
Explain the mechanism of closing and opening of the stomata.
A few RBC’s were kept in three test tubes containing isotonic, hypotonic and hypertonic solutions. What will be the expected observations after a few hours? Explain.
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 cross-section of root showing association of soil particles with root hairs.
Draw a diagram of the root hair cell as it would appear when a concentrated solution of fertilizers is added near it.
Describe structure of root hair.
Minerals cannot be passively absorbed by the roots.
How many regions are there in a typical root?
Paheli uprooted a rose plant from the soil. Most of the root tips, with root hairs, got left behind in the soil. She planted it in a pot with new soil and watered it regularly. Will the plant grow or die? Give reason for your answer.
Water in the root enters due to ______.
