Question

1. schistosomiasis is a disease that is contracted by walking barefoot in water contaminated by human wastes. which organism causes schistosomiasis?

a. schistosoma
b. taenia solium
c. ascaris
d. wuchereria

Explanation:

Schistosomiasis (bilharzia) is caused by parasitic flatworms (schistosomes). The parasite's larvae live in contaminated water, penetrate bare skin, and infect humans. Mosquitoes, bacteria, and viruses do not cause this specific disease.

Answer:

d. a worm