Explain the following terms with one suitable example for each : (3 marks)
(i) A sweetening agent for diabetic patients
(i) The sweetening agent used in the preparation of sweets for a diabetic patient is Saccharin.
(ii) Enzymes : The enzymes may be defined as bio-catalysts which catalyse the bio-chemical
reactions in the living organisms.
Example : Pepsin and Amylase.
(iii) Analgesics : These drugs are the chemical substances which are given to relieve body
pains. These act on the central nervous system.
These are classified as Narcotics i.e. habit forming and non-narcotics i.e. not habit forming.
Examples of Narcotics : Opium which contains alkaloids such as Codeine and Morphine.
Examples of Non-Narcotics : Aspirin and Ibuprofen.