Question

Select the option that includes only microbes

• A. Lactobacillus, Aspergillus niger, Clostridium, Penicillin
• B. Saccharomyces, Clostridium, Neomycin, Tetracycline
• C. Clostridium, Gentamycin, Bacitracin, Rifamycin
• D. Saccharomyces, Lactobacillus, Monascus purpureus, Clostridium

Answer 1

The correct option is D Saccharomyces, Lactobacillus, Monascus purpureus, Clostridium

Saccharomyces, Lactobacillus, Aspergillus niger, Clostridium and Monascus purpureus are microbes which are quite beneficial to humans.

Penicillin, neomycin, tetracycline, gentamicin, bacitracin and rifamycin are all antibiotics produced by the microbes.

The options a, b and c include antibiotics and microbes.

Option d includes only microbes and hence is the correct answer.