26. The viral infection that is most commonly associated with the development of acquired immunodeficiency syndrome (AIDS) is caused by:
a) Hepatitis C virus
b) Influenza virus
c) Human immunodeficiency virus (HIV)
d) Varicella-zoster virus
27. The process by which viruses can transfer genes between different organisms is called:
a) Horizontal gene transfer
b) Vertical gene transfer
c) Transduction
d) Conjugation
28. Which of the following antiviral drugs is commonly used to inhibit the replication of human immunodeficiency virus (HIV)?
a) Acyclovir
b) Oseltamivir
c) Zidovudine
d) Ribavirin
29. The hepatitis B virus is transmitted primarily through:
a) Direct contact with infected individuals
b) Inhalation of airborne droplets
c) Ingestion of contaminated food
d) Exposure to infected body fluids
30. Which of the following viruses is responsible for causing dengue fever?
a) Dengue virus
b) Influenza virus
c) Human immunodeficiency virus (HIV)
d) Hepatitis A virus