Question

Which of the following mechanisms prevents osmotic swelling in plant cells?

A. The collection of water in contractile vacuoles.
B. Tough cell walls.
C. The activity of Na+-K+ pumps.
D. None of the above.

Answer 1

The cell wall counteracts osmotic pressure to prevent swelling and lysis.

Step-by-step explanation:

Hypotonic solution: Water particles move into the cell. Cell wall counteracts osmotic pressure to prevent swelling and lysis.