Medicines are either man made (i.e., synthetic) or obtained from living organisms like plants, bacteria, animals, etc. and hence, the latter are called natural products. Sometimes, natural products are chemically altered by man to reduce toxicity or side effects. Write against each of the following whether they were initially obtained as a natural product or as a synthetic chemical.
(a) Penicillin (b) Sulphonamide (c) Vitamin-C (d) Growth hormone

Explanation

(a) Penicillin : obtained from fungi, primarily natural product.
(b) Sulphonamide : Synthetic chemical Antimicrobial agent.
(c) Vitamin-C : Natural product obtained from sour fruits.
(d) Growth hormone : GH - It is naturally present in the body growth induces.