Advertisements
Advertisements
प्रश्न
Which of the following statements does not apply to reverse osmosis?
पर्याय
It is used for water purification
In this technique, pressure greater than osmotic pressure is applied to the system
It is a passive process
It is an active process
उत्तर
It is an active process
Explanation:
Osmosis is a passive process so the water follows down the gradient, but in reverse osmosis, water molecules go against osmotic pressure due to a cumulative pressure gradient, so reverse osmosis requires energy to transport molecules, hence it is an active process.
APPEARS IN
संबंधित प्रश्न
Differentiate between for Osmotic Pressure and Osmotic Potential
Osmosis is a special kind of diffusion, in which water diffuses across the cell membrane. The rate and direction of osmosis depends upon both ______.
The plant cell cytoplasm is surrounded by both cell wall and cell membrane. The specificity of transport of substances are mostly across the cell membrane, because ______.
How does water moves within the root?
Why are natural membranes selectively permeable. Give examples.
