Botany (M.Phil./Ph.D.) 2014 Panjab University Entrance Exam With Answers

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19.

Which of the following is incorrect ?

A: All solutions have lower water potential than pure water.
B: More the solute molecules in a solution, more is the solute potential.
C: Water potential is equal to solute potential for a solution at atmospheric pressure
D: Pressure potential is negative in xylem and helps in upward movement of water in plants

The answer is: B