1. Write any four characters of viruses which show that they are living and also four characters which show that they are non-living. 2. Who proposed a classify cation of all viruses in 1971 and got...

1. Write any four characters of viruses which show that they are living and also four characters which show that they are non-living.

2. Who proposed a classify cation of all viruses in 1971 and got Noble Prize?

3. Write a brief note on size and symmetry of viruses.