Which of the following statements correctly describes the normal tonicity conditions for typical plant and animal cells?
a. the animal cell is in a hypotonic solution, and the plant cell is in an isotonic solution.
b. the animal cell is in an isotonic solution, and the plant cell is in a hypertonic solution.
c. the animal cell is in a hypertonic solution, and the plant cell is in an isotonic solution.
d. the animal cell is in an isotonic solution, and the plant cell is in a hypotonic solution.
e. the animal cell is in a hypertonic solution, and the plant cell is in a hypotonic solution.

The correct answer will be option-D

Explanation:

Tonicity is a measure of the concentration of the solute particles inside to the outside a cell.  Tonicity is important to a cell as it determines the direction and movement of the water and solute by the process of osmosis.

The animal cells prefer an isotonic solution with the same amount of solute and water concentration as they lack a cell wall, due to which if water enters will cause lysis of the cell.

The plant cell prefers the hypotonic solution with low solute concentration due to which the cell can easily enter the cell and can be stored in vacuole if needed.

Thus, option-D is the correct answer.

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