Osmotic Pressure and Osmotic Potential

Q. Movement of water through semipermeable membrane produces

1. wall pressure
2. diffusion pressure
3. osmotic pressure
4. turgor pressure

Q. Cell A has osmotic potential of –18 bars and pressure potential of 8 bars, whereas cell B has osmotic potential of –14 bars and pressure potential 2 bars. The direction of flow of water will be

1. from cell B to cell A
2. from cell A to cell B
3. no flow of water
4. in both the directions

Q. Solute concentration of the solution is inversely related to the osmotic pressure

1. True
2. False

Q.

The pressure required to stop the process of osmosis is termed __ pressure.

Q. Semen exits the human body through _______.

1. anus
2. None of these
3. urethral meatus
4. cloaca

Q. Arrange in the descending order of water potential.

1. Soil
2. Stem
3. Atmosphere
4. Roots
5. Leaves

Q. Osmotic pressure of a solution is

1. more than that of a pure solvent
2. less than that of a pure solvent
3. variable depending upon concentration
4. equal to that of pure solvent