Question

The following is an antibiotic
(i) Sodium bicarbonate (ii) Streptomycin (iii) Alcohol (iv) Yeast

NCERT Class VIII
Science - Main Course Book

Chapter 2. Microorganisms: Friend and Foe

Answer 1

(ii) Streptomycin is the correct answer.

Answer 2

Answer:

Streptomycin is an antibiotic.

Explanation:

In the given list Streptomycin is an antibiotic.  It is used to treat many types of bacterial infections such as tuberculosis, plague, rat bite fever etc.

Sodium bicarbonate is generally called as Baking soda (NaHCo3). It is generally used in cooking.

Alcohol is the liquid form obtained as a product of fermentation. it is mostly used as a beverage.

Yeast is a single cellular organism belongs to kingdom fungi. It plays a major role in baking industry.