TRANSPIRATION

Loss of water in the form of vapours from plant surface. The loss of water due to transpiration is quite high. Rather 98-99% of the water absorbed by a …

Water loss from Leaf

After water has evaporated from the cell surface into the intercellular air space, diffusion is the primary means of any further movement of the water out of the leaf. …

Diffusion

The net movement of molecules from region of high concentration to regions of low concentration that is, down the concentration gradient. Water molecules in a solution are not static …

Microorganisms and Disease

Although Fracastoro and a few others had suggested that invisible organisms produced disease, most people believed that disease was caused by supernatural forces, poisonous vapors called miasmas, and imbalances …