11. Inclusion bodies of measles virus are

A. intracytoplasmic
B. intranuclear
C. both (a) and (b)
D. none of these

12. The most efficient way to enclose a space is within a/an

A. sphere
B. cube
C. icosahedron
D. helix

13. Which of the following is an example of rod-shaped viruses having their capsomeres arranged helically and not in the stacked ring?

A. Bacteriophage M13
B. Bacteriophage MV-L2
C. Bacteriophage T2
D. Bacteriophage T4

14. During the first 10 minutes after injection of phage DNA, no phage can be recovered by disrupting the infected bacterium. This is termed as

A. eclipse period
B. rise period
C. latent period
D. burst size

15. The function of a viral capsid is

A. protection against the viral genome from physical and enzymatic destruction
B. providing binding sites that enable the virus to attach to specific receptor sites on the host cell
C. serving as a vehicle of transmission from one host to another
D. all of the above