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.......

Explain the role of mycorrhiza in bio fertilisers

Viruses of genus Nucleopolyhedrovirus can be uses as____________________

a. Biofertilizers

b. Biogas producers

c. Biocontrol agents

Differentiate Primary and secondary treatment

a.Mention the action of LAB on milk

b.Write the significance of LAB

Match column A with column B and C

a.Name the pathogen that attack insects and other arthropodes.

b.Name the genus which is used as most common  bio control agent

c.Write the significance of most common biocontrol agent.

Match the column A with B and C

.Mention the significance of Bacillus thuringiensis

Write the significance of Ganga Action plan and Yamuna Action plan

Differentiate primary treatment and secondary treatment

Observed the diagrame

Name the virus

a.Identify the figure

b.Mention the infection caused by it

a.Antibiotics means  'Against life ' or 'pro life' - Substantiate

b.Explain the action of Antibiotics 

c.Name the antibiotic which was extensively used to treat the American soldiers in second world war.

a.Differentiate Chemical fertilizers and biofertilizers.

b.Mention the significance of Rhizobium as a biofertilizer