Question

question 19
malaria is caused by a _________ that is transferred to humans by the bite of an infected mosquito.

• parasite
• rickettsia
• spirochete
• virus

question 20
bacilli, which are rod-shaped, spore-forming bacteria, cause _________.

• lyme disease
• measles
• rubella
• anthrax

Explanation:

Analyze Question 19

Malaria is caused by unicellular eukaryotic organisms belonging to the genus Plasmodium, which are classified as protozoan parasites. These parasites are transmitted to humans through the bite of an infected female Anopheles mosquito.

Analyze Question 20

Bacilli are rod-shaped, spore-forming bacteria. Bacillus anthracis is a prominent spore-forming bacterium that causes anthrax. Lyme disease is caused by the spirochete Borrelia burgdorferi, while measles and rubella are caused by viruses.

Answer:

Question 19

• parasite (Correct answer)
• rickettsia
• spirochete
• virus

Question 20

• Lyme disease
• measles
• rubella
• anthrax (Correct answer)