Apples are genera A. Prevent sunlight for changing its colour

B. Prevent aerobic respiration by checking the entry of O₂.

C. Prevent ethylene formation due to injury

D. Make the apples look attractive

Apples are generally wrapped in wax paper to prevent aerobic respiration by checking the entry of O₂.

There is a loss of carbohydrate, acid, and materials of the cell wall followed by production of carbon dioxide and alcohol when apple undergoes aerobic respiration and gets rotten.