Question

Match the items of List I with items of List II.

Answer 1

In animals, the waste products of aerobic respiration are water and carbon dioxide. Oxygen is the waste product produced by plants in photosynthesis. The oil of the lemon peel also has various uses. It is used as a wood cleaner and polish, where its solvent property is employed to dissolve old wax, fingerprints, and grime. Lemon oil and orange oil are also used as a non-toxic insecticide treatment. The wood of conifers has longitudinal resin canals lined with living cells.