What are biofertilisers? Give two examples. </h2></div>

Which bacterium is known to form crystal protein?</h2></div>

Which of the following statements is incorrect regarding beer?

Which of the following statements is not related to cottage cheese?

Temperature suitable for biogas production is</h2></div>

Benzo-diazepene is an?</h2></div>

Given below is the flow chart of sewage treatment. Identify A, B, C and D and select the correct option. <br…

Microorganisms used to increase the fertility of soil are called-</h2></div>