Advertisements
Advertisements
प्रश्न
Show by a series of diagrams, the change which a plant cell will undergo when placed in
Hypertonic salt solution
उत्तर
APPEARS IN
संबंधित प्रश्न
Give the equivalent terms for the following:
Pressure of the cell contents on the cell wall
When placed in a more concentrated solution, the cell contents will ______.
Distinguish between the following:
Turgor pressure and osmotic pressure
Distinguish between the following:
Plasmolysis and deplasmolysis
Two potato cubes each 1 cm3 in size, were placed separately in two containers (A and 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 somewhat decreased in size. Use the above information to answer the questions that follow:
Account for the softness and decrease in size of the potato cubes which were placed in sugar solution.
What do you mean by transpiration pull ?
Give Reasons for the following.
We gargle with saline water in case of throat infection.
Differentiate between:
Osmosis and Diffusion
The diagram given below is of an experiment just at the start. Study the diagram carefully and answer the following questions :
(i) What does the experiment demonstrate?
(ii) Define, the process demonstrated in the experiment.
(iii) What changes are observed after a few hours?
(iv) Give two examples of a semi-permeable membrane.
(v) Which limb of the U-tube contains a more concentrated sucrose solution, A or B?
(vi) Why is the membrane separating the two solutions labeled as semi-permeable membrane?
Give Technical Term for the following.
A solution whose concentration is equal to the cell sap.
