Waksman got Nobel Prize for his discovery of</h2></div>

Give the scientific names of any two microorganisms inhabiting the human intestine.</h2></div>

All microbes are harmful to humankind.

Which of the following is the pair of biofertilisers?</h2></div>

First antibiotic discovered was ____________.</h2></div>

Which of the following, grows symbiotically in the leaves of water fern?</h2></div>

Which of the following parts of a bacteriophage is labelled incorrectly?

The main sources of biofertilizers are</h2></div>