Question

Water potential of a flaccid cell will be

Answer 1

Explanation:

Pressure potential refers to the positive pressure developed in a cell due to the entry of water through osmosis. In a turgid cell, the pressure potential is usually positive because water enters into the protoplast that generates turgor pressure. ... Thus, the pressure potential of a flaccid cell would be zero. ❤❤❤❤❤❤❤

Answer 2

EXPLANATION :

If plant cell happens to be bathed in hypertonic solution, it loses water through the process of exosmosis. The loss of water is first from cytoplasm and then central vacuole. As a result, the protoplast is reduced in size. This decreases turgor pressure or pressure potential (Ψ p ) and corresponding wall pressure. Solute potential becomes slightly more negative due to loss of water. The cell attains a minimum size when turgor pressure is zero/pressure potential (Ψ p ) is zero.

Therefore, Ψ

w =Ψ s +Ψ p

or Ψ

w =Ψs (as Ψ p =0)

A cell which is deficient in turgor is called flaccid.

So, the correct answer is 'Ψ w =Ψ s

SOLUTION : 'Ψ w =Ψ s So, the pressure potential of flaccid cell will be zero .

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