The correct answer is (b) Hypotonic solution
Best explanation: When the concentration of solute in the solution is greater than that of cell interior, it is called hypertonic solution. When the concentration of solute in the solution is greater than that of cell interior, it is called hypotonic solution. When both the solution and the cell interior has equal concentration of solute, it is called isotonic solution. Water diffuses from hypotonic solution towards cell interior with more solute concentration.