Osmotic Pressure and Osmotic Potential

Q.

Cyclosis is a characteristic of plant cells like and vertebrate WBCs. This movement is due to

1. Cytoplasmic streaming

2. Podia formation

3. Beating of cilia

4. Sliding microtubule

Q.

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

Q.

how is solute potential and water potential related

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

1. osmotic pressure
2. osmosis
3. diffusion
4. diffusion pressure

Q.

A cell, when kept in a sugar solution, gets dehydrated. Then the solution is

1. Isotonic

2. Hypertonic

3. Hypotonic

4. None of the above

Q. Arrange in the descending order of water potential.

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

Q.

why is osmotic pressure is positive and osmotic potential is negative??

Q. what do u mean by

• voids
• bacteriophages

Q. Identify the option that best describes the value of the terms given below.

i. Pressure potential
ii. Solute potential
iii. Water potential of pure water

1. i-positive, ii-negative, iii. zero
2. i-negative, ii-positive, iii-zero
3. i-zero, ii-negative, iii-positive
4. i-positive, ii-zero, iii-negative

Q.

Define Osmotic potential and Osmotic pressure