1000+ Phylum - Protozoa Multiple Choice Question Answer [Solved]

1. In the life cycle of Plasmodium, man is the
A. primary host
B. intermediate host
C. secondary host
D. alternative host
Answer : A

2. Sleeping sickness in man is caused by Trypanosoma by the bite of the infective
A. female Tsetse fly
B. male Tsetse fly
C. both male and female Tsetse flies
D. male and female aedes mosquito
Answer : C

3. In a Paramecium, the trichocysts are used for
A. fight or flight response
B. defence
C. offense
D. both (b) and (c)
Answer : B

4. The transmission of Entamoeba histolytica takes place by
A. female anopheles mosquito
B. air
C. kisisng
D. contaminated food and water
Answer : A

5. In Paramecium, proteins are digested
A. partly in endoplasm and partly in food vacuole
B. during the acid phase of the food vacuole
C. during the alkaline phase of the food vacuole
D. both (b) and (c)
Answer : D

6. Which of the following is a correct matching ?
A. Yellow fever mosquitoes toga virus B
B. Rabies saliva myxomavirus
C. Poliomyelitis fleas poliovirus
D. Tobacco mosaic disease aphids tobacco mosaic virus
Answer : A

7. Treatment of the infection by malarial parasite in the principal host is studied under
A. chemo-therapy
B. chemo-diagnosis
C. chemo-prophy laxis
D. prophylaxis
Answer : A

8. Which day is celebrated as Malaria day ?
A. 20th August
B. 15th August
C. 26th Janurary
D. 5th June
Answer : A

9. Protozoa which completely lack trophj organelles are classifed under
A. sporozoa
B. rhizopoda
C. ciliophora
D. flagellata
Answer : A

10. Trophozoites of E.histolytica reproduced by
A. binary fission
B. conjugation
C. autogamy
D. budding
Answer : A

11. Schuffner's granules or dots are found in
A. trophozoite
B. sporozoite
C. schizont
D. merozoite
Answer : C

12. Benign tertian malaria is caused by
A. P. falciparum
B. P. vivax
C. P. malariae
D. P. ovale
Answer : B

13. The digestive enzymes in Paramecium are secreted in
A. food vacuoles directly
B. lysosomes and then released into food vacuole
C. endoplasm and then pass into food vacuole
D. both lysosomes and endoplasm
Answer : B

14. The path followed by a food vacuole in Paramecium is referred to as
A. cycloid
B. cyclic vascular path
C. cyclosis
D. cyclosphere
Answer : C

15. The sporozoites of Plasmodium first attack
A. RBC
B. liver cells
C. muscles
D. intestine
Answer : B

16. The oriental sores in human skin are caused by
A. Leishmania tropica
B. Phlebotomus
C. Balantidium
D. Leishmania donovani
Answer : A

17. The disease caused by Trypanosoma cruzi is
A. sleeping sickness
B. chaga's disease
C. kala azar
D. oriental sore
Answer : B

18. Under unfavourable conditions, the Amoeba reproduces by
A. binary fission
B. conjugation
C. encystment
D. endomixis
Answer : C

19. The number of daughter paramecia produced following conjugation is
A. 8 from one conjugant
B. 8 from two conjugants
C. 16 from two conjugants
D. 8-16 from two conjugants
Answer : B

20. n Amoeba, when transferred from pond water to distilled water, forms
A. contractile vacuoles at a slower rate
B. contractile vacuoles at a faster rate
C. contractile vacuoles at the same rate
D. no contractile vacuoles
Answer : B

21. Entamoeba gingivalis is a parasite in the
A. pharynx of man
B. unhealthy tissue around teeth of man
C. gum boil of man
D. infected salivary glands of man
Answer : B

22. A liver biopsy of a patient suffering from amoebic hepatic abscess would demonstrate the presence of
A. trophozoites
B. cysts
C. precystic stages
D. sporozoites
Answer : D

23. In Amoeba proteus, the term proteus is after the name of
A. the discoverer
B. a disease
C. a god
D. a place
Answer : C

24. African sleeping sickness or Gambiense fever is caused by
A. Entamoeba
B. Trypanosma
C. Leishmania
D. Trichomonas
Answer : B