Explain how slurry is used biogas production.

Define biogas.

What is the chemical nature of biogas?Name an organism which is involved in biogas production.

Which one is involved in biogas production?

Discuss the role of methogens in biogas production.

With the help of a circuit diagram, explain how a metre bridge is used to find the unknown resistance of a given wire.

You have been deputed by your school principal to train local villagers in the use of biogas plants. With the help of a labelled sketch explain the various parts of the biogas plant.

Explain how it has been used to develop G.M. Crops.