Absorption and Radial Movement of Water Multiple Questions and Answers.
Exercise Questions ::
Plant Physiology
6. | What is field capacity? |
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| A. | Water holding capacity of the crop |
| B. | Water holding capacity of soil |
| C. | Water holding capacity of roots |
| D. | Water utilization capacity of plant |
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| Answer: Option B |
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| Explanation: |
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Field capacity is the water holding capacity of the root. It shows the maximum amount of water that a soil can hold after the free drainage. |
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| Answer: Option C |
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| Explanation: |
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The amount of water, soil hold at which plant goes flaccid beyond recovery is called the permanent wilting percentage. |
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8. | Which pathway is used to transport water from the epidermis to a tracheary element of root? |
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| A. | Osmotic potential |
| B. | Pressure potential |
| C. | Symplastic pathway |
| D. | Apoplastic pathway |
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| Answer: Option D |
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| Explanation: |
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Apoplastic pathway is the major pathway for the transport of water from the epidermis to a tracheal element of roots. |
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9. | Name the term given to the movement of water against gravitational force, from root to the aerial parts of the plant. |
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| A. | Ascent of sap |
| B. | Root pressure |
| C. | Radial movement |
| D. | Field capapcity |
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| Answer: Option A |
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| Explanation: |
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The movement of water from root to the aerial parts of the plants against gravitational force is called ascent of sap. |
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Tutorial Link: |
Published by:Zain Abid
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