Describe briefly the four major groups of Protozoa.

Mention four major groups of protozoans

Give four characters of Protozoa.

Describe briefly the digestion of three types of food by the enzymes of pancreas.

What are the major groups of microorganisms?

Describe briefly : Sigmoid growth curve.

Describe! briefly the Watson and Crick model of DNA.

Describe briefly the following : (a) Origin of replication (b) Bioreactors (c) Downstream processing .

Describe briefly the method to obtain mercury from Cinnabar. Write the chemical equations for the reactions involved in the process.

Describe briefly the underlying principle of a transistor amplifier working as an oscillator. Hence, use the necessary circuit diagram to explain how self sustained oscillations are achieved in the oscillator.