Water moves

  1. Down a gradient of solutes
  2. Down a gradient of free energy
  3. Above a gradient of water
  4. Above a gradient of pressure
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Water potential is not

  1. Denoted by Greek symbol psi
  2. Expressed in pressure units such as Pascals (Pa)
  3. At standard temperature not under any pressure, is taken zero
  4. Always negative or zero
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Solute Potential is the amount where

  1. Dissolution of a solute causes lowering of water potential
  2. Increase of solute causes increase of water potential
  3. Increase of solute causes decrease in osmotic pressure
  4. Increase of solute causes increase in solute potential
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Find the correct one.

  1. All the solutes have lower water potential than pure water given that solution is under external pressure
  2. All the solutions have lower water potential than the pure water
  3. All the solutions have higher water potential than the pure water
  4. All the solutions have lower water potential than pure water unless solution is under such external pressure which is more than the solute potential
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Solute potential is

  1. More when solute is more
  2. Less when solute is less
  3. Always negative
  4. All of these
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For a solution at atmospheric pressure

  1. Solute potential is more than water potential
  2. Water potential more than solute potential
  3. Solute potential is less than water potential
  4. Water potential is equal to solute potential
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Plants have

  1. Positive water potential when cells get turgor pressure
  2. Negative water potential when water is transported up a stem
  3. Negative pressure is developed in the cell dure to turgor pressure
  4. Both A and B
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If the cell gets water from surroundings, now a certain pressure develops inside it against the wall is called as

  1. Turgor pressure
  2. Wall pressure
  3. Osmotic Pressure
  4. Solute pressure
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Cell wall is

  1. Freelly permeable
  2. Impermeable
  3. Semipermeable
  4. Selectively permeable
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In plant cell

  1. Solute potential is contributed by cytoplasm
  2. Solute potential is contributed by cytoplasm and as well as vacuolar sap
  3. Solute potential is because of vacuolar sap only
  4. Solute potential is caused by nucleoplasm
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