(c) A plant cell was placed in a solution X. After sometime it was observed that the cell was swollen, but it did not burst.
0 In what type of solution was the cell placed?
Answers
Answer:
Plant cells are enclosed by a rigid cell wall. When the plant cell is placed in a hypotonic solution, it takes up water by osmosis and starts to swell, but the cell wall prevents it from bursting. The plant cell is said to have become "turgid" i.e. swollen and hard. The pressure inside the cell rises until this internal pressure is equal to the pressure outside. This liquid or hydrostatic pressure called the turgor pressure prevents further net intake of water.
So the correct answer is 'becomes more turgid until the pressure potential of the cell reaches its osmotic potential'.
Explanation:
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Answer:
Effects of osmosis in plant cells
Plant cells are enclosed by a rigid cell wall. When the plant cell is placed in a hypotonic solution, it takes up water by osmosis and starts to swell, but the cell wall prevents it from bursting. The plant cell is said to have become ‘turgid’, i.e. swollen and hard. The pressure inside the cell rises until this internal pressure is equal to the pressure outside. This liquid (or hydrostatic pressure called ‘turgor pressure’) prevents the further net intake of water.
Turgidity is very important to plants as it helps with the maintenance of rigidity and stability of plant tissue and, as each cell exerts a turgor pressure on its neighbor, it creates plant tissue tension which allows the green parts of the plant to ‘stand up’ into the sunlight.
When a plant cell is placed in a hypertonic solution, the water from inside the cell‘s cytoplasm diffuses out and the plant cell is said to have become ‘flaccid’. If the plant cell is then observed under a microscopic, it will be noticed that the cytoplasm has shrunk and pulled away from the cell wall. This phenomenon is called plasmolysis. The process is reversed as soon as the cells are transferred into a hypotonic solution (deplasmolysis).
When a plant cell is placed