1. Differentiate biological vector from mechanical vector. (4 marks)

Question

2. Mention two parasitic diseases transmitted by mosquitoes. (2 marks)
3. Explain the genetic method of control mosquitoes as disease vectors. (2 marks)
4. Mention any two mechanical vectors. (2 marks)
5. Explain how Entamoeba histolytica would cause lysis of the host cells? (4 marks)
6. Define giardiasis? (1 mark)
7. Mention three types of Leishmaniasis. (3 marks)
8. What specimen is recommended for detection of babesia trophozoites and merozoites? (1
mark)
9. Which parasitic disease has symptoms similar with that of malaria and is commonly
misdiagnosed for malaria disease? (1 mark)
10. Mention any three species of malaria parasites. (3 marks)
11. Give a plasmodium species responsible for malaria relapses. (1 marks)
12. What is the sexual form of plasmodium species responsible for malaria

Answer 1

relapses? (1 mark)

13. What is the main mode of transmission for Plasmodium falciparum? (1 mark)
14. Describe the life cycle of Plasmodium vivax. (4 marks)
15. What is the primary mode of transmission for Trypanosoma cruzi? (1 mark)
16. Explain how Trypanosoma cruzi causes Chagas disease in humans. (4 marks)
17. Mention two diseases caused by the parasitic protozoan Toxoplasma gondii. (2 marks)
18. How is Toxoplasma gondii transmitted from animals to humans? (2 marks)
19. Describe the life cycle of the parasitic helminth Taenia solium. (4 marks)
20. What is the primary mode of transmission for Schistosoma mansoni? (1 mark)