6. What disease is caused by the varicella-zoster virus?
a) Measles
b) Chickenpox
c) Mumps
d) Rubella
Answer: b) Chickenpox
7. What disease is caused by the bacterium Mycobacterium tuberculosis?
a) Malaria
b) Tuberculosis
c) Cholera
d) Typhoid fever
Answer: b) Tuberculosis
8. What disease is characterized by high fever, joint pain, and rash?
a) Dengue fever
b) Typhoid fever
c) Cholera
d) Malaria
Answer: a) Dengue fever
9. What disease is caused by the bacterium Vibrio cholerae?
a) Malaria
b) Typhoid fever
c) Cholera
d) Dengue fever
Answer: c) Cholera
10. What disease is caused by the bacterium Salmonella typhi?
a) Typhoid fever
b) Cholera
c) Malaria
d) Dengue fever
Answer: a) Typhoid fever