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प्रश्न
The bending movements of certain flowers towards the sun and the sleep movements of certain plants at night are examples of ______.
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उत्तर
The bending movements of certain flowers towards the sun and the sleep movements of certain plants at night are examples of turgor movements.
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संबंधित प्रश्न
Movement of molecules of a substance from the region of their higher concentration to the region of their lower concentration without the involvement a separating membrane, is called
Distinguish between the following:
Hypotonic and Hypertonic solutions
Name the following:
Condition of cell in which the cell contents are shrunken.
Explain why:
We gargle with saline solution in case of throat infection.
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.
Define the cohesive force.
Mention, if the following statement is True or False. If false rewrite the wrong statement in its correct form:
Osmosis is defined as the movement of water from a concentrated sugar solution to a dilute sugar solution.
Fill in the Blanks
Osmosis in the diffusion of _______ molecules from the region of higher _____ potential to that of lower potential across a S.P.M.
Explain the term:
Diffusion
Name the two organelles in a plant cell that contain their own genetic material and ribosomes.
