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प्रश्न
(a) Mention whether the following statement is true (True) or false (False)
(b) Correct the false statement by altering the last word only.
A plant cell placed in hypotonic solution gets Plasmolysed.
पर्याय
True
False
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उत्तर
(a) False
(b) A plant cell placed in hypotonic solution gets turgid.
Explanation: A plant cell placed in hypertonic solution gets plasmolysed due to exosmosis and when placed in hypotonic solution gets turgid due to endosmosis.
संबंधित प्रश्न
The bending movements of certain flowers towards the sun and the sleep movements of certain plants at night are examples of ______.
Leaves of the sensitive plant wilt and droop down on a slight touch. What mechanism brings about this change?
Choose the correct answer:
Plasmolysis will occur when the cell is placed in a __________
Two potato cubes each 1 cm3 in size, were placed separately in two containers (A and B), the container A having water and the other (B) containing concentrated sugar solution. After 24 hours when the cubes were examined, those placed in water were found to be firm and had increased slightly in size and those placed in concentrated sugar solution were found to be soft and somewhat decreased in size. Use the above information to answer the questions that follow:
Account for the softness and decrease in size of the potato cubes which were placed in sugar solution.
Give Reasons for the following.
On sprinkling common salt on grass growing in a lawn, the grass is killed.
Give Reasons for the following.
Plants begin to die when the excess of soluble fertilizers are added to the soil?
Mention, if the following statement is True or False. If false rewrite the wrong statement in its correct form:
During exosmosis, water moves from inside the cell to the outside of the cell.
Fill in the Blank
Raisin swells up when kept in a __________ solution.
Explain the term:
Diffusion
