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प्रश्न
Give Reasons for the following.
Plants begin to die when the excess of soluble fertilizers are added to the soil?
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उत्तर
Excess application of soluble fertilizers in soil makes the soil solution hypertonic than cell sap, hence exosmosis takes place and plants begin to die.
संबंधित प्रश्न
Complete the following statements:
Hypotonic solution is one in which the solution kept outside the cell has lower solute concentration than ……………… the cell.
Name the following:
Two solutions having same concentrations.
Explain why:
The leaves of wilted lettuce, if kept in cold water, become crisp.
Choose the correct answer:
Plasmolysis will occur when the cell is placed in a __________
Choose the correct answer:
Grapes when placed in a strong sugar solution shrink because of __________
Choose the correct answer:
If a marine plant is transferred to fresh water, it bursts due to ___________
The apparatus arranged here signifies an important process.
(i) Name the process.
(ii) Where does this process occur in plants?
(iii) What solution is placed inside the dialysis tubing?
(iv) What happens to the level of the solution in the capillary tube?
(v) Define the process mentioned in Q. (i) above.
Give Technical Term for the following.
The pressure which is responsible for the movement of water molecules across the cortical cells of the root.
Multiple Choice Question:
When a plant wilts, the sequence of events will be as follows:
