OBJECTIVE LIFE SCIENCE
CELL BIOLOGY
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Animal cells have more permeable cell membranes than plant cells.
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Animal cells absorb more water than plant cells.
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Plant cells have cell membranes that prevent the cell from bursting.
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Plant cells have cell walls that prevent the cell from bursting.
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Detailed explanation-1: -But it does not get burst due to the presence of cell wall. Cell wall can withstand dilute hypotonic media and prevents bursting of cells. Therefore, plant cells withstand changes in environmental concentration much better than animal cells which get burst in such conditions.
Detailed explanation-2: -An animal cell contains cytoplasm which has many nutrients and dissolved mineral. Therefore this solution becomes hypertonic to the surrounding water where no minerals or salts are present. Thus outside water is hypotonic to the cytoplasm of the cell. As a result, water moves inside the cell and the cell bursts.
Detailed explanation-3: -The cell wall provides mechanical support to the plant cell. When a plant cell is kept in a hypotonic solution, water enters the cell but it does not burst because of the pressure applied by the cell wall. Since it is rigid, it does not allow the cell to expand to an extent that it would burst.