16. What disease is caused by the bacterium Escherichia coli?
a) Typhoid fever
b) Malaria
c) Cholera
d) Food poisoning
Answer: d) Food poisoning
17. What disease is characterized by inflammation of the lining of the stomach?
a) Malaria
b) Cholera
c) Gastritis
d) Typhoid fever
Answer: c) Gastritis
18. What disease is characterized by abnormal growth of cells in the body?
a) Cancer
b) Malaria
c) Typhoid fever
d) Cholera
Answer: a) Cancer
19. What disease is caused by the bacterium Helicobacter pylori?
a) Typhoid fever
b) Malaria
c) Cholera
d) Gastritis
Answer: d) Gastritis
20. What disease is caused by the varicella-zoster virus and affects the nerves?
a) Shingles
b) Chickenpox
c) Measles
d) Mumps
Answer: a) Shingles
