1. Which of the following has the maximum water potential?
a) 1 M of NaCl
b) 0.5 M of glucose
c) Pure water
d) 0.001 M of HCl
Explanation: Pure water
2. Three solutions in the container are given under one similar condition. Which solution posses
greater kinetic energy in water molecules? 
a) A
b) B
c) C
d) All solution possess same energy
Explanation: "B"
3. What is the condition for pure water having zero water potential?
a) Standard temperature
b) No pressure
c) At 1 atm pressure
d) Only (a) and (b)
Explanation: Only (a) and (b)
4. Which is always negative (under natural condition)?
(1) \[\psi_{s}\]
(2) \[\psi_{w}\] of solution
(3) \[\psi_{p}\]
(4) \[\psi_{p}\] of solution
a) 1, 2 only
b) 1 only
c) 4 only
d) 3 only
Explanation: 1, 2 only
5. The relationship between \[\psi_{w},\psi_{s}\] and \[\psi_{p}\] can be given as:
a) \[\psi_{s}=\psi_{w}+ \psi_{p}\]
b) \[\psi_{p}=\psi_{w}+ \psi_{s}\]
c) \[\psi_{w}=\psi_{p}+ \psi_{s}\]
d) All of these
Explanation: \[\psi_{w}=\psi_{p}+ \psi_{s}\]
6. Which of the following is important to determine that what is going in or out of the plant cell?
a) Cell membrane only
b) Tonoplast only
c) Both together
d) Cell wall only
Explanation: Both together
7. Cell wall is
a) Permeable
b) Impermeable
c) Semi-permeable
d) Selectively permeable
Explanation: Cell wall is Permeable
8. Osmosis means diffusion of water across
a) Semi-permeable membrane
b) Differentially permeable membrane
c) Permeable membrane
d) Both (a) and (b)
Explanation: Osmosis means diffusion of water across semi-permeable membrane.
9. Water will move from
a) Higher pressure potential to lower
b) Higher solute potential to lower
c) Higher water potential to lower
d) Lower water potential to higher
Explanation: Water will move from higher water potential to lower
10. 
Answer the question with respect to the above diagram:
In which direction will osmosis occur?
a) None
b) B to A
c) Both the direction
d) A to B
Explanation: A to B