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प्रश्न
Explain why:
Raisins swell up in water.
उत्तर
The raisins swell up when placed in water because the water is hypotonic as compared to the raisins so the water enters inside the raisins as a result of endosmosis.
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संबंधित प्रश्न
The diagram of an given below demonstrates a particular process in plants. Study the same and answer the questions that follow :
(i) Name the apparatus.
(ii) Which phenomenon is demonstrated by this apparatus?
(iii) Explain the phenomenon mentioned in (ii) above.
(iv) State two limitations of using this apparatus.
(v) What is the importance of the air bubble in the experiment?
(vi) Name the structures in a plant through which the above process takes place.
How does movement and absorption of water take place through the roots?
Which one of the following is a characteristic NOT related with the suitability of the roots for absorbing water?
Root hairs become flaccid, when fertilizers are added to the moist soil around it. Explain.
Draw a diagram of the root hair cell as it would appear when a concentrated solution of fertilizers is added near it.
Explain the Term: Guttation
Part of the root that absorbs water from the soil is ______.
Which of the following are the components of cell wall of root hair?
Aquatic animals like fish excrete their wastes in gaseous form as
