Give examples to prove that microbes release gases during metabolism.

1. Large holes in ‘Swiss Cheese’ are due to production of large amount of C0₂released by a bacterium named Propionibacterium sharmanii.

2. The puffed up appearance of dough is due to the production of C0₂ gas by yeast, Saccharomyces cerevisiae.

3. Methane, H₂S and C0₂ are produced during microbial digestion of organic compounds in case of secondary treatment of sewage.

268 Views

Name any two species of fungus, which are used in the production of antibiotics.

In which way microbes have played a major role in controlling diseases caused by harmful bacteria ?

Bacteria cannot be seen with the naked eyes, but these can be seen with the help of a microscope. If you have to carry a sample from your home to your biology laboratory to demonstrate the presence of microbes under a microscope, which sample would you carry and why ?

Name some traditional Indian foods made of wheat, rice and Bengal gram (or their products) which involve use of microbes.

Microbes in Human Welfare

Give examples to prove that microbes release gases during metabolism.