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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
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.
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संबंधित प्रश्न
Differentiate between the following pairs on the basis of what is indicated in the brackets.
Hypotonic solution and Hypertonic solution [condition of a plant cell when placed in them]
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.
What is the significance of diffusion?
Give Reasons for the following.
Salt and sugar are used in preserving food.
Give Reasons for the following.
We gargle with saline water in case of throat infection.
Give Reasons for the following.
Plants begin to die when the excess of soluble fertilizers are added to the soil?
Multiple Choice Question:
Plasma membrane controls:
Explain the Term: Diffusion
