Water is lost in a liquid state in some plants through hydathodes. These hydathodes
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Passive absorption of water by the root system is the result of |
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Study the following table: (I) Peperomia - Leaf succulent - Leaf epidermal cells store water (II) Calotropis - Non-succulent - Root cells with thickened cell walls (III) Tribulus - Ephemeral - Stem stores water (IV) Ammophila - Dicot plant - Rolling in of leaves to check water loss Identify the correct pair of answers. |
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In which of the following plants, there will be no transpiration? |
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A leaf peeling of Tradescantia is kept in a medium having 10% NaCl. After a few minutes if we observe the leaf peel under the microscope, we are likely to see |
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Which one of the following is used for measuring the rate of transpiration? |
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The existence of root pressure can be demonstrated by |
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Cell membrane is ________. |
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"Pulsation theory" to explain ascent of sap was proposed by |
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A cell placed in hypertonic solution plasmolysis; the space between the cell wall and plasmolysed contents is filled with |
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Of the processes which occur in leaves, the one which may lower their temperature (cooling effect) is |
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