2. Tick the correct answer.
(b) The following is an antibiotic
(i) Sodium bicarbonate (ii) Streptomycin (iii) Alcohol (iv) Yeast
Streptomycin is an antibiotic which belongs to an antibiotic class known as aminoglycosides. It is useful in removing the infection-causing microorganisms. Hence, option (ii) is the correct option.
The force acting on unit area of surface is called