Advertisements
Advertisements
प्रश्न
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.
विकल्प
True
False
Advertisements
उत्तर
This statement is false.
Correct statement: The cell wall of the root cell is a fully permeable membrane.
Explanation:
Because cell "membranes" are differentially permeable, and cell walls are fully permeable.
संबंधित प्रश्न
State whether the following statement is true or false. Rewrite the false statement correctly.
Water absorption mainly occurs through the root-hair.
Explain the mechanism of closing and opening of the stomata.
What would happen to the root hair of a potted plant if the soil was watered with an extremely concentrated solution of sodium chloride?
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 .
How is root hair structurally adapted for absorption of water from the soil?
What is toxicity ?
Grapes shrink when immersed in a very strong sugar solution.” Explain.
Look at Figure. Draw another figure of the same set-up as would be observed after a few hours.
Paheli uprooted a rose plant from the soil. Most of the root tips, with root hairs, got left behind in the soil. She planted it in a pot with new soil and watered it regularly. Will the plant grow or die? Give reason for your answer.
