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प्रश्न
Grapes shrink when immersed in a very strong sugar solution.” Explain.
उत्तर
Very strong sugar solution is hypertonic to the grapes juice. Therefore, water from inside the grapes moves to outside hypertonic solution. It results shrinkage of the grapes.
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संबंधित प्रश्न
Give reason for the following:
If you uproot a plant from the soil, its leaves soon wilt.
What part is played by The cytoplasm in the uptake of water into the root hair?
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.
Multiple Choice Question:
Process of endosmosis stops:
Write a note on the morphological structure of the root.
Identify the zone in wbkh root hair occurs.
Why and how does water enter continuously into the root xylem?
Explain about the factors that affect water absorption.
