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प्रश्न
Give Reasons for the following.
On sprinkling common salt on grass growing in a lawn, the grass is killed.
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उत्तर
Sprinkling salt makes soil solution hypertonic hence grass lose water due to exosmosis.
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संबंधित प्रश्न
The most appropriate characteristic of a semipermeable membrane is that
Define the following:
Diffusion
Distinguish between the following:
Hypotonic and Hypertonic solutions
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:
Comment on the nature (tonicity) of the liquid surrounding the cell.
What is the significance of diffusion?
Give Technical Term for the following.
The pressure which is responsible for the movement of water molecules across the cortical cells of the root.
Name the following:
The movement of a liquid through a selectively permeable membrane.
Fill in the Blank
When there is no movement of water in the cell from the outside medium, the medium is considered to be ______ to cell sap.
Multiple Choice Question:
Marine fish when thrown under tap water bursts because of:
