HORTICULTURE

Detailed explanation-1: -cuticle. It consists of cutin, a waxy, water-repellent substance allied to suberin, which is found in the cell walls of corky tissue.

Detailed explanation-2: -Dermal tissue covers and protects the plant, and controls gas exchange and water absorption (in roots). Dermal tissue of the stems and leaves is covered by a waxy cuticle that prevents evaporative water loss.

Detailed explanation-3: -Hence, the leaves of cactus is modified into spines or needle like leaves to conserve water by minimising transpiration. A waxy coating is also found on the stem of these plants which reduces evaporation of water. The fleshy stems store water and food in cactus.

Detailed explanation-4: -The epidermis forms a protective layer around the plant to protect it from mechanical damage, loss of water, and infection. Suberin is a waxy waterproofing material that is used in taller plants.

Detailed explanation-5: -The stem is covered with a thick layer of waxy substance, which helps to prevent evaporation of water.