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Questions
Mention whether the following statement is true (T) or false (F) and give an explanation in support of your answer.
Soaked seeds burst into three seed coats.
Mention whether the following statement is true (T) or false (F) and give an explanation in support of your answer.
Soaked seeds burst their seed coats.
Options
True
False
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Solution
This statement is true.
Explanation:
Yes, it is true that soaked seeds burst into three seed coat layers for germination. In some plants, the surface layer, middle layer, and inner layer make up a three-layered seed coat. So, when they are soaked in water, water is imbibed into the seeds and the seeds swell up, exerting pressure on the seed coat and burst the seed coats.
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The diagram given below represents a plant cell after being placed in a strong sugar solution. Study the diagram and answer the questions that follow:
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- Name the structure that acts as a selectively permeable membrane.
- Label the parts numbered 1 to 4 in the diagram.
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- State any two features of the above plant cell which is not present in animal cells.
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Give Technical Term for the following.
The pressure exerted by cell contents on a plant cell wall.
Name the following:
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The hydrostatic pressure of the cell sap on the cell wall is called ______.
