Water Potential
Trending Questions
Q. At equilibrium; the solute potential on both sides of the membrane
- is almost the same
- is not affected
- changes from its initial value
- both a and c
Q. During absorption of water by roots, the water potential of cell sap is lower than that of
- soil solution but higher than that of pure water
- neither pure water nor soil solution
- pure water but higher than that of soil solution
- pure water and soil solution
Q. Describe the movement of water w.r.t.
1)water potential?
2)solute Potential?
3)pressure potential?
4)matric potential?
5)osmotic potential?
6)osmotic pressure
7)dpd(diffusion pressure deficit)
EXAMPLE: FROM HIGH WATER POTENTial TO LOW WATER POTENTIAL
1)water potential?
2)solute Potential?
3)pressure potential?
4)matric potential?
5)osmotic potential?
6)osmotic pressure
7)dpd(diffusion pressure deficit)
EXAMPLE: FROM HIGH WATER POTENTial TO LOW WATER POTENTIAL
Q.
Explain why pure water has the maximum water potential.
Q.
Briefly describe water potential. What are the factors affecting it?
Q. Xylem tissue transporting water due to transpiration is an example of
- positive 𝚿p
- negative 𝚿p
- 𝚿w
- 𝚿s
Q. A sugar solution has a lower water potential than distilled water.
- True
- False
Q.
The combination of pressure potential and solute potential is:
Water potentials
Transpiration potential
Field potential
Osmotic potential
Q.
What happens when a pressure greater than the atmospheric pressure is applied to pure water or a solution?
Q. What are the different types of process allowing exchange of substances across cell membrane
Q. Net movement of water is from
- low DPD to high DPD
- high DPD to low DPD
- DPD gradient plays no role
- none of the above