Advertisements
Advertisements
प्रश्न
Multiple Choice Question:
Osmosis involves:
विकल्प
Cell to cell movement of water
Movement of water through cortical cells
Adiva absorption of water through roots
All of the above
Advertisements
उत्तर
All of the above
APPEARS IN
संबंधित प्रश्न
Define the following:
Diffusion
Choose the correct answer:
Plasmolysis will occur when the cell is placed in a __________
Choose the correct answer:
If a marine plant is transferred to fresh water, it bursts due to ___________
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:
Name and define the physical process being investigated in this experiment.
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?
Given below is the figure of an experimental set up to demonstrate root pressure.
(i) Define root pressure.
(ii) What change would you observe in the water level after some time?
(iii) What role is being played by the root pressure in the given experiment?
(iv) Why the oil has been sprinkled on water?
Give Technical Term for the following.
Solutions which have the same osmotic pressure.
Name the following:
The movement of a liquid through a selectively permeable membrane.
Explain the Term:
Osmosis
