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प्रश्न
Multiple Choice Question:
Plasma membrane controls:
पर्याय
Passage of water only
Passage of water and solutes in and out of the cell
Passage of water and solutes into the cell
Movement of cell contents out of the cell
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उत्तर
Passage of water and solutes in and out of the cell
संबंधित प्रश्न
Mention whether the following statement is true or false. Correct the false statement by altering the last word only.
The shrinkage of protoplasm, when a cell is kept in hypotonic solution.
Two potato cubes each 1 cm3 in size, were placed separately in two containers (A&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 had somewhat decreased in size. Use the above information to answer the questions that follow:
Account for the firmness and increase in the size of the potato cubes placed in water.
Define the following:
Osmosis
Define the following:
Diffusion
Name the following:
The process by which raisins swell up when placed in a beaker of water.
Choose the correct answer:
Osmosis involves diffusion of ___________
A leaf cell of a water plant was placed in a liquid other than pond water. After sometime, it assumed a shape as shown below:
Redraw in the space provided, the diagram of the cell if it is soon placed in ordinary water for some time.
Differentiate between the following
Endosmosis and Exosmosis
Give Technical Term for the following.
A solution whose concentration is equal to the cell sap.
Give Technical Term for the following.
The pressure which is responsible for the movement of water molecules across the cortical cells of the root.
