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प्रश्न
The process by which root hairs absorb water from the soil.
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उत्तर
Osmosis
APPEARS IN
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.
Explain why:
Raisins swell up in water.
Three plants (a), (b) and (c) were placed in beakers containing coloured water. The water in each beaker was covered with a layer of oil. The leaves were removed from plant (b), while plant (c) was exposed to strong light.
(i) In which plant, (a), (b) or (c) would the water move up the fastest?
(ii) In which plant (a), (b) or (c), would the water move up slowly?
(iii) Why was the water covered with a layer of oil?
(iv) What is being investigated by this experiment?
Study the experimental setup in the figure and then answer the question that follow.
Explain the phenomenon mention in question 8.1 .
Describe structure of root hair.
In the zone of absorption, epidermal cells form unicellular hair-like extensions called ________.
Outer layer of root hair is made up of ________.
Which part of the root helps in maximum absorption of water and minerals?
How many regions are there in a typical root?
Root hair occurs in the zone of ____________.
