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प्रश्न
Choose the correct answer:
Swelling of wooden doors during rains is caused by ___________
पर्याय
endosmosis
imbibition
capillarity
osmosis
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उत्तर
Swelling of wooden doors during rains is caused by imbibition
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संबंधित प्रश्न
What part is played by The cytoplasm in the uptake of water into the root hair?
What would happen to the root hair of a potted plant if the soil was watered with an extremely concentrated solution of sodium chloride?
The diagram below represents a layer of epidermal cells showing a fully grown root hair. Study the diagram and answer the questions that follow:
Draw a diagram of the above root hair cell as it would appear when a concentrated solution of fertilizers is added near it.
The alongside diagram A shows a root hair growing through the soil particles. Diagram B is the root hair of an aquatic plant.
(i) Name the parts 1,2,3.
(ii) Name two substances which enter the root hair. What are their uses?
(iii) By what process do these substances enter the root hair?
(iv) Account for the different shapes of root hairs in the two diagrams.
Draw a diagram of the root hair cell as it would appear when a concentrated solution of fertilizers is added near it.
The figure given below is a diagrammatic representation of a part of the cross-section of the root in the root hair zone. Study the same and then answer the questions that follow :
(i) Name the parts indicated by guidelines ‘1’ to ‘5’
(ii) Is the root hair cell unicellular or multi-cellular?
(iii) Draw a labeled diagram of the root hair cell as it would appear if some fertilizer is added to the soil close to it.
(iv) Name the process responsible for the entry of water molecules from the soil into A1 and then A2.
(v) What pressure is responsible for the movement of water in the direction indicated by arrows?
(vi) How is this pressure set up?
Fill in the Blank
Leaves get wilted if _________ is removed from the plant.
Outer layer of root hair is made up of ________.
Water which is absorbed by roots is transported to aerial parts of the plant through ______
Minerals cannot be passively absorbed by the roots.
