Which shape of bacteria has been represented in the following diagram?

Biogas production is rate limited by</h2></div>

How many of the following organisms can be used as biofertilizers?<br> Azolla, Thiobacillus, Frankia, Glomus, Pseu…

What is Bio-gas? Write any four uses.</h2></div>

Milk is converted into curd by </h2></div>

Which of the following helps in the ripening of Camembert cheese?

What are flocs?

Where is the major part of sludge pumped in secondary treatment?