Question

what happens to an animal cell when it is placed in a very diluted external medium why

Answer 1

Here the animal cell is kept indilute external medium that means hypotonic solution. Hypotonic solution: In thissolution the solute concentration is lower than that of the cell fluid concentration. As a result, water moves into the cell from the surrounding medium through acell membrane.

Answer 2

Answer: Dilute external medium means hypotonic solution

Explanation: When an animal cell is placed in a hypotonic solution, there is more water concentration outside the cell. Therefore, the water moves inside the cell through the cell membrane