Give suitable examples of the following: A non-toxic fast growing cyano-bacteria used to obtain single cell, protein.

Give suitable examples of the following: A free-living nitrogen fixing bacteria.

Give suitable examples of the following: A micro organism which causes little leaf disease of brinjal.

Give two examples for each of the following : a) Synovial joints b) Muscular proteins

Give the one word scientific term for the following. Very large vessels used for growing microbes in industrial scale production.

Give an example for a virus for each, having the following genetic material a.Double stranded DNA b.Double stranded RNA c.Single stranded DNA d.Single Stranded RNA

Explain the following terms with suitable examples (i) cationic detergents (ii) anionic detergents and (iii) non-ionic detergents.

To study the relation between potential difference and current in an electrical circuit, a student is pro vided with a resistance wire, a cell and a key- Let in the above experiment the student obtained the following data. Draw a graph connecting V and I using above data. Then establish the relation between V and I as a law.