a. Observe the diagram a label A,B,D and E

b. Briefly explain the Biogas production

Explain the initiatives of Ganga Action Plan and Yamuna Action Plan

Differentiate between primary sludge, flocs and activated sludge

Give a short note on the Secondary treatment or biological treatment in sewage treatment

Give a note on the use of antibiotics have greatly improved the capacity against deadly diseases.

The first antibiotics discovered is ......................................................

The brewer’s yeast is ....................................................................

The Swiss Cheese are produced with the help of a bacterium. Name the Bacterium.

The microorganisms grow in milk and coverted to curd are commonly called.......