Question

Microbes play important roles in the welfare of human society. Justify the statement with six uses of microbes with an example of each.

Answer 1

1. Used in household products- curd (e.g. Lactobacillus acidophilus), Dosa, idli (e.g. Streptococcus species)
2. Used in alcoholic fermentation- Brewer's yeast ( Saccharomyces cerevisiae )
3. production of antibiotics- e.g. Penicillium notatum
​4. Used in production of commercial acids- Acetic acid (e.g. Acetobacter aceti )
5. Used in production of enzymes- Pectinases (e.g. Byssochlamys fulvo )
6. Used as biofertilizers- e.g. Azotobacter, Rhizobium