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Question

What is meant by suction pressure?


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Solution

Suction pressure:

  1. Suction pressure is the negative difference in pressure between two places that drags liquid or gas from a higher pressure state to a lower pressure state.
  2. The suctional force in plants is caused by transpiration.
  3. This force aids the plant in obtaining essential minerals from the soil.
  4. Vacuum space is formed by the evaporation of water from the cells on the surface of the leaves (transpiration).
  5. Water droplets from other cells rush inside to fill the vacuum.

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