Q.1
At atmospheric pressure, the water potential is equal to_________
  • a) Gravitational potential
  • b) Pressure potential
  • c) Solute potential
  • d) Matrix potential
Q.2
The pressure built up against the cell wall of a plant cell due to diffusion of water causes the cell to become _________
  • a) flaccid
  • b) turgid
  • c) plasmolysed
  • d) imbibed
Q.3
Affinity between the absorbent and the liquid is pre-requisite condition for imbibition.
  • a) True
  • b) False
Q.4
Pressure potential is ________
  • a) constant
  • b) zero
  • c) positive
  • d) negative
Q.5
The space between the cell wall and the shrunken protoplast in a plasmolysed cell is occupied by ________
  • a) hypotonic solution
  • b) hypertonic solution
  • c) isotonic solution
  • d) water
Q.6
Which of the following is a reversible phenomenon?
  • a) Plasmolysis
  • b) Turgidity
  • c) Flaccidity
  • d) Imbibition
Q.7
Seedlings emerge out of the soil into open surroundings due to imbibition.
  • a) True
  • b) False
Q.8
Imbibition is commonly seen in _____
  • a) liquids
  • b) gases
  • c) suspension
  • d) colloids
Q.9
Which of the following is not an important determinant of the movement of molecules in or out of the cell?
  • a) Cell membrane
  • b) Thickness of membrane
  • c) Tonoplast
  • d) Membrane of vacuole
Q.10
Statement A: Osmotic pressure is negative.
  • a) Both the statements are true
  • b) Both the statements are false
  • c) Statement A is true but Statement B is false
  • d) Statement B is true but Statement A is false
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