Viruses From Animal and Plants

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Viruses From Animal and Plants

Question 1 [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Supercoiling refers to the extra turns in the structure of ds DNA due to the action of
A
DNA gyrase
B
DNA pyrase
C
RNA gyrase
D
RNA pyrase
Question 2 [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Mumps vaccine is prepared from the cultures of
A
chick fibroblasts
B
African green monkey cells
C
healthy calves
D
sheep
Question 3 [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Transfer of infection from cell to cell occurs mainly by direct transfer of virions via
A
plasmodesmata
B
cytodesmata
C
protodesmata
D
none of these
Question 4 [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
What does the positive strand in double stranded RNA viruses stands for?
A
rRNA
B
tRNA
C
mRNA
D
None of these
Question 5 [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Negri bodies are found in cells infected with
A
Paramyxoviruses
B
Vaccinia virus
C
Fowlpox virus
D
Rabies virus
There are 5 questions to complete.