1.Most of the bacteriophages have
(a) dsDNA genome (c) dsRNA genome
(b) ssDNA genome (d) ssRNA genome
2. Baltimore scheme of classification divides the viruses into
(a) Six classes (c) Eight classes
(b) Seven classes (d) Nine classes
3. The first discovered virus was a
(a) Animal virus (c) Bacteriophage
(b) Plant virus (d) Mycophage
4. Define the following terms
(a) Icosahedron (d) Envelope
(b) Spike (e) Capsomere
(c) Binal arrangement (f) Capsid
5. What are the general morphologies of viruses? Is it possible to predict the morphology
of a virus based on the host it attacks? 6. List the four properties that define a virus. What is a virion? 7. Describe the four morphological classes of viruses.