Tusomesasa.

Explain the economic importance of plant excretory products.(10 mks)

Suggested resposponses

 Caffeine ; - Stored in coffee berries and tea leaves;

   - Taken as a mild stimulant that increases mental activity and reduces fatigue;

 Quinine; - Waste product stored in the back of Cinchoma tree and aloe leaves;

   - Used for the treatment of Malaria;

 Cannabis; - Stored in fruits, flowers and leaves...