Advertisements
Advertisements
प्रश्न
Give Reasons for the following.
Plants growing in fertilized soil are often found to wilt if the soil is not adequately watered. Why?
Advertisements
उत्तर
The concentration of water molecules being less outside, endosmosis takes place resulting in the wilting of the plants.
APPEARS IN
संबंधित प्रश्न
What is responsible for guttation?
The bending movements of certain flowers towards the sun and the sleep movements of certain plants at night are examples of ______.
Give reason for the following:
Potato cubes, when placed in water, become firm and increase in size.
Leaves of the sensitive plant wilt and droop down on a slight touch. What mechanism brings about this change?
Name the following:
Movement of molecules from a region of high concentration to a region of low concentration.
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.
Solutions which have the same osmotic pressure.
Name the following:
The process by which raisins swell up when placed in a beaker of water.
Fill in the Blank
A plasmolysed cell has __________ protoplast.
Mention, if the following statement is True or False. If false rewrite the wrong statement in its correct form:
The plasma membrane permits the passage of all solutes and water.
