Which of the following has maximum water potential?
Pure water
2% sucrose solution
4% glucose solution
10% sodium chloride solution
Related Questions
Water potential is equal to osmotic potential and pressure potential in?
Turgid cell
Partly turgid cell
Swollen
All of these
Which of the following is the unit of measurement of water potential?
Watt
Joule
Pascal
Litre
Water potential is less than “zero” when
Cell is flacid
Cell is plasmolysed
Cell is partly turgid
All of these
Water potential increases due to
Addition of solute
Evaporation
Addition of inorganic substances
Increase in pressure
A xerophyte with a CAM pathway faces prolonged drought conditions. Which of the following physiological responses would be LEAST likely to occur?
Increased stomatal aperture during the day
Accumulation of organic acids at night
Reduced transpiration rates
Increased root-to-shoot ratio
If solute particles are added in pure water, its diffusion pressure will be
Increased
Decreased
Remain constant
Become less than zero
Which of these cells regulate the opening and closing of stomata?
Guard cells
Epidermal cells
Mesophyll cells
Xylem cells
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
Correct expression of the following is?
Two cell (A and B) have osmotic potential and pressure potential – 18 bars and 8 bars, and – 14 bars and 2 bars respectively. What will be the direction of water flow?
From cell A to cell B
Flow of water does not takes place
In both direction
From cell B to cell A
