How do microorganisms help in cleaning the environment?

What is environment ?

How is recycling used to save the environment?

Explain why it is difficult to wash clothes with soap when water is hard. How do detergents help in overcoming this problem?

Microorganisms can be grown in the bioreactors by

The microorganism used in production of biogas

How behavioural responses are achieved by animals during variation in the environment?

Many proteins are secreted in their inactive form. This is also true of many toxic proteins produced by microorganisms. Explain how the mechanism is useful for the organism producing the toxin?

How do auxins help in bending of stem towards light ? Explain.