Plant Physiologyt - Questions and Answers

26. outer cell wall of roots is made up of

27. The movement of molecules of liquids, gases or solutes from the regions of higher concentration to regions of lower concentration until the molecules are evenly distributed through the available space is known as

28. The difference between osmosis and diffusion lies in the presence of

29. The pleasant aroma from an opened bottle of perfume reaches us through the process of

30. Due to increase in the volume of cell sap root hair becomes