Question

Water potential is less than 'zero' when
1) Cell is flaccid
2) Cell is plasmolysed
3) Cell is partly turgid
4) All the above​

Answer 1

Answer:

Water potential of pure water at normal temperature and pressure is zero. ... The presence of solid particles reduces the free energy of water and decreases the water potential. Therefore, water potential of a solution is always less than zero or it has negative value.

Explanation:

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Answer 2

Answer:

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.