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प्रश्न
What part is played by The cytoplasm in the uptake of water into the root hair?
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उत्तर
The cytoplasm contains vacuoles having cell sap or solution of mineral salts. This cell sap being more concentrated than the soil solution help in water absorption by 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.
Mention whether the following statement is true or false. Correct the false statement by altering the last word only.
The cell wall of the root cell is a differentially permeable membrane.
Explain the mechanism of closing and opening of the stomata.
Choose the correct answer:
An example of a selective permeable membrane is __________
Mention whether the following statement is true (T) or false (F) and give an explanation in support of your answer.
Guttation in plants occurs maximum at midday.
Multiple Choice Question:
The most widely accepted theory for ascent of sap is ______.
Describe structure of root hair.
Root hair is ________ extension of epiblema cells.
How many regions are there in a typical root?
What is peculiarity of epiphytic plants like orchids?
