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Read the following statements and select the correct option.
(i) Pure water has the highest water potential i.e., zero.
(ii) Process of diffusion does not require any input of energy.
(iii) Water moves from the system containing water at higher water potential to the one having lower water potential.
  • a)
    Statements (i) and (ii) are correct.
  • b)
    Statements (ii) and (iii) are correct.
  • c)
    Statements (i) and (iii) are correct.
  • d)
    Statements (i), (ii) and (iii) are correct.
Correct answer is option 'D'. Can you explain this answer?
Verified Answer
Read the following statements and select the correctoption.(i) Pure wa...
  • Pure water is with no dissolved solutes hence its potential is highest that is zero, as solute is added to water potential or energy of water becomes negative.
  • Diffusion is movement of substances from their higher potential/energy/concentration to places of lower potential /energy/concentration hence does not require input of energy.
  • Water always moves from its higher potential i.e with lower solute potential to its lower potential or higher solute potential by a process called osmosis.
So, the correct answer is 'Statements (i), (ii) and (iii) are correct'
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Most Upvoted Answer
Read the following statements and select the correctoption.(i) Pure wa...
Explanation:

The correct option is (d) Statements (i), (ii), and (iii) are correct.

(i) Pure water has the highest water potential i.e., zero:
Water potential is the measure of the potential energy of water in a system, and it determines the direction of water movement. Pure water is considered to have the highest water potential because it is the reference point, and all other solutions are compared to it. Since water potential is defined as zero for pure water, the water potential of any other solution will be negative or less than zero.

(ii) Process of diffusion does not require any input of energy:
Diffusion is the passive movement of particles from an area of higher concentration to an area of lower concentration. It is a spontaneous process that occurs due to the random motion of particles. Diffusion does not require any input of energy because it is driven by the inherent kinetic energy of the particles.

(iii) Water moves from the system containing water at higher water potential to the one having lower water potential:
Water moves from an area of higher water potential to an area of lower water potential. This movement is known as osmosis. Osmosis is the diffusion of water molecules across a selectively permeable membrane. The direction of water movement is determined by the relative water potentials on either side of the membrane. Water moves from the system with a higher water potential to the system with a lower water potential until equilibrium is reached.

Therefore, all three statements are correct.
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Read the following statements and select the correctoption.(i) Pure water has the highest water potential i.e., zero.(ii) Process of diffusion does not require any input of energy.(iii) Water moves from the system containing water athigher water potential to the one having lower water potential.a)Statements (i) and (ii) are correct.b)Statements (ii) and (iii) are correct.c)Statements (i) and (iii) are correct.d)Statements (i), (ii) and (iii) are correct.Correct answer is option 'D'. Can you explain this answer?
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