Moderate

Water will be absorbed by root hairs when

Correct answer: A. Concentration of solutes in the cell sap is high

  • A. Concentration of solutes in the cell sap is high
  • B. Plant is rapidly respiring
  • C. They are separated from soil by a permeable membrane
  • D. Concentration of salts in the soil is high

Explanation

The concentration of water in the soil is greater than the concentration of water in the root hairs. This means that the water potential in the soil must be lower than the water potential in the root hairs.

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The human digestive system covers the organs from mouth to anus, the movement of food, and the mechanical and chemical breakdown of carbohydrates, proteins and fats. It also includes the roles of digestive enzymes, bile, absorption through intestinal villi, and the assimilation of nutrients by body cells.

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