In your locality people are affected due to water scarcity. What measures will you take to deal with the problem of wate…

Identify the correct pair of characters of a bacterium which is used in the production of methane.<br> (i)&nbs…

Which wood is more suitable for fuel?

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

Which of the following is used as a green manure?</h2></div>

Citric acid is obtained from _______</h2></div>

What is activated sludge?

While preparing curd, a little curd is added to warm milk. Reason behind this is<br> a) Curd contains sev…