What is the difference between local and general anaesthetics? Name one chemical used in each case.

What is paracetamol? What medicinal effect does it produce in the human body?

Give the structure of sulphadiazine. Mention its uses.

How are antiseptics distinguished from disinfectants? Give two examples of each of the substances.

Describe the following with suitable examples of chemicals:
(i) Antipyretics
(ii) Antiseptics
(iii) Tranquilizers
(iv) Wide spectrum antibiotics

Name the action of the following on the human body:
(a) Aspirin
(b) Penicillin
(c) Phenacetin
(d) Morphine
(e) Analgin
(f) Laminal
(g) Sarconal
(h) Streptomycin.

Give one important use of each of the following:
(i) Bithional        
(ii) Chloroamphenicol
(iii) Streptomycin
(iv) Paracetamol.

Explain what do you understand by pathogens. How can we control the microbial diseases?

130.

What is the basic structure of a detergent?