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Question
Explain why:
We gargle with saline solution in case of throat infection.
Solution
Saline water is hypertonic. So any infectious agent such as bacteria in the throat gets plasmolysed and this cures the infection.
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RELATED QUESTIONS
When placed in a more concentrated solution, the cell contents will ______.
Answer the following question.
Define and or explain the term:
Plasmolysis
Choose the correct answer:
Grapes when placed in a strong sugar solution shrink because of __________
Mention whether the following statement is true (T) or false (F) and give explanation in support of your answer.
Plasmolysis is reverse of deplasmolysis.
Give Reasons for the following.
On sprinkling common salt on grass growing in a lawn, the grass is killed.
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The raisins swell up in the water.
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The condition in which the water from a cell is completely removed due to exosmosis and no more shrinkage is possible.
Fill in the Blank
The pressure which develops in the cortical cells of root which force a part of the water upward ____________.
Mention, if the following statement is True or False. If false rewrite the wrong statement in its correct form:
The plasma membrane permits the passage of all solutes and water.
