Give a brief account of viruses with respect to their structure and nature of genetic material. Also name four common viral diseases.

Name any three viruses which have RNA as the genetic material.

Answer the following questions: Give any four functional group containing oxygen as the heteroatom in it. Write name and structural formula and one example each.

Draw all the possible structural formulae having molecular formula C_(6)H_(14) . Give names to all the isomers. Which difficulties were faced by you while naming? As the time progressed, the carbon compounds became very large in number and their common names caused confusion. A need was felt to have a logical system acceptable to all for naming the carbon compounds.

Name the following : Three scientists who proved that except viruses, all living organisms have DNA as genetic material.