Water potential increases due to
Addition of solute
Evaporation
Addition of inorganic substances
Increase in pressure
Related Questions
Guttation in plants is primarily caused by:
Root pressure exceeding transpiration pull
High transpiration rates during the day
Opening of stomata at night
Active transport of water into xylem vessels
Which of these cells regulate the opening and closing of stomata?
Guard cells
Epidermal cells
Mesophyll cells
Xylem cells
How does adding a non-volatile solute to a solvent affect the vapor pressure of the solvent?
Increases the vapor pressure
Lowers the vapor pressure
Has no effect on the vapor pressure
First increases, then decreases the vapor pressure
The cohesion-tension theory explains the ascent of sap in tall trees. Which of the following factors LEAST contributes to the maintenance of the continuous water column?
Active transport of water into xylem vessels
Cohesion between water molecules
Adhesion of water molecules to xylem walls
Transpiration pull generated by evaporation from leaves
Uphill transport is a type of
Active transport
Passive transport
Facilitated diffusion
Simple diffusion
Cell 'A' has Mpa cell 'B' has Mpa and cell ‘C’ has Mpa. Then water
diffuses from
A to B to C
A to C to B
B to A to C
C to B to A
Correct expression of the following is?
Which of the following is the unit of measurement of water potential?
Watt
Joule
Pascal
Litre
The value of osmotic potential of an electrolyte is always
More than non electrolyte
Less than non electrolyte
Same as non electrolyte
None of these
A group of students are studying transport of certain type of molecules in a cells and observe that transport slows down when the cells are treated with poison, a chemical, which inhibit energy production. Under normal conditions, the molecules are being studied and it is estimated that molecules probably transported by
Osmosis
Process of active transport
Process of facilitated diffusion
Process of simple diffusion