Which of the following is/are found in the head or capsid of phage viruses?
a) DNA
b) RNA
c) both
d) either DNA or RNA
Bacteriophages are……..viruses.
a) double stranded RNA
b) double stranded DNA
c) single stranded RNA
d) single stranded DNA
The viral nucleocapsid is the combination of …….
a) capsid and spikes
b) capsomere and genome
c) genome and capsid
d) envelop and capsid
The base plate and tail fivers of bacteriophage viruse are involved in the
a) synthesis of protein
b) attachment to the bacterial cell
c) synthesis of DNA
d) synthesis of lipids
Explanation: phage like T4 virus has base plate and one or more tail fibers
In order to make new copies of itself, HIV must infect the……..cells.
a) bacteria
b) plants
c) humans
d) both a and b
Phage-virus secretes an enzyme ‘lysozyme’ from its…….
a) head region
b) tail region
c) neck region
d) DNA region
