Contents

Retroviruses are the exceptions from all other viruses because…….
a) their coat is made up of glycoprotein
b) they contain RNA
c) their capsid is made up of glycolipid
d) they contain DNA

b

HIV has just…..genes.
a) 2                 
b) 5                 
c) 9                 
d) 51

c

Which of the following gene/s contain/s information needed to make structural proteins for new virus particles?
a) gag                         
b) pol
c) env                         
d) all of these

d

Which of the following genes code for proteins that control the ability of HIV to infect a cell, produce new copies of virus or cause disease?
a) tat & rev                 
b) nef & vif
c) vpr & vpu               
d) all of these

d

Most favourite host of HIV virus is……..
a) lymphocytes           
b) T cells
c) B cells                                
d) RBCs

b

The enzyme reverse transcriptase present in HIV virus is………
a) 20 molecules per virion     
b) 30 molecules per virion
c) 50 molecules per virion                 
d) 40 molecules per virion

b

Contents Details