Protozoa Lab question PDF

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Protozoa lab...

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Name TITLE

Date

PROTOZOA LAB

PURPOSE

RESULTS Image of Amoeba proteus (live cells) Phylum:

Organelle of locomotion:

Total mag. of

X

Total mag. of

X

Description

1

Image of Euglena (live cells)

Phylum:

Organelle of locomotion:

Total mag. of Total mag. of

X X

Description

Image of Entamoeba histolytica

Phylum:

Organelle of locomotion:

12

Image of Trichomonas vaginalis

Phylum:

Organelle of locomotion:

Total mag. of

X X

Total mag. of

Description

13

Total mag. of

Total mag. of Total mag. of

X Total mag. of

X

X X

Description

Description

Image of Trypanosoma

Phylum:

gambiense Organelle of locomotion: Image of Giardia lamblia Organelle of locomotion:

Phylum:

14

Total mag. of

X X

Total mag. of

Total mag. of Total mag. of

X X

Description

Description

Image of Plasmodium vivax

Phylum:

Organelle of locomotion:

15

Questions I. Multiple choice. Circle the correct answer choice 1. Which of the following statements regarding protozoa is FALSE? A. Protozoa are common in water and soil. B. Some protozoan pathogens are transmitted by arthropod vectors. C. Nearly all protozoa cause disease. D. Most protozoa reproduce asexually. E. Protozoa are unicellular eukaryotes. 2. Giardia lamblia and Trichomonas vaginalis are unusual eukaryotes because they: A. do produce cysts. B. lack nuclei. C. are motile. D. lack functional mitochondria. E. do not produce cysts 3. Which of the following is the most effective control for malaria? A. treating patients B. eliminate Anopheles mosquitoes C. vaccination D. eliminate the intermediate host E. None of these is an effective control. 4. Which of the following organisms is photoautotrophic member of Kingdom Protista? A. Balantidium coli B. Euglena gracilis C. Trichomonas vaginalis D. Entamoeba histolytica E. Giardia lamblia 5. Which phylum of protozoa contains organisms that are non-motile, obligate intracellular parasites? A. Apicomplexa B. Amoebozoa C. Ciliates D. Euglenozoa E. None 6. Which of the following statements about protozoa is true? A. All protozoa are photosynthetic. B. Some protozoa reproduce by schizogony, a process that is virtually identical to the budding process that happens in some yeast. C. All protozoa can undergo sexual reproduction. D. When conditions become harsh, some protozoa can form a protective capsule, which is called a cyst. E. None 7. Trichomonas vaginalis can be distinguished from other parasitic protozoa by which of the characteristics listed below? A. B. C. D. E.

It is usually found in drinking water and is associated with fecal contamination. It has an undulating membrane, infects the vagina, and is frequently transmitted by sexual contact. It is a photosynthetic organism that lives in fresh water. It infects Anopheles mosquitoes and can be transmitted by a bite. None

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8. The resistant stage of protozoa is called the A. merozoite B. endospore C. cyst D. amoeba E. trophozoite

.

9. Which of the following protozoa has pseudopods for motility? A. Balantidium coli B. Euglena gracilis C. Trichomonas vaginalis D. Entamoeba histolytica E. Giardia lamblia 10. Which Phylum of protozoa contains many flagellated microorganisms? A. Mastigophora B. Ciliophora C. Sarcodina D. Sporozoa E. Cestode 11. In disease malaria, the merozoites infect the A. Plasmodium; liver B. Anopheles; red blood cells C. Plasmodium; red blood cells D. Anopheles; liver E. Tsetse; red blood cell

of the human host cells.

12. Which locomotive organelle is found in Giardia lamblia? A. cilia B. flagella C. pseudopods D. fimbriae E. none

II. Short Answer. 13. Indicate the functions of: A. Food vacuole ……………………………………………………………………………………………….………………………………………… B. Contractile vacuole ……………………………………………………………………………………………….………………………………………… C. Cytostome……………………………………………………………………………………………….……………………………………………………………… D. Undulating membrane……………………………………………………………………………………………….………………………………………… E. Macronucleus ……………………………………………………………………………………………….………………………………………… F. Micronucleus ……………………………………………………………………………………………….………………………………………… G. Apical ends ……………………………………………………………………………………………….…………………………………………

14. List 5 characteristics of protozoa. A. ………………………………………………………………………………………………. B. ………………………………………………………………………………………………. C. ………………………………………………………………………………………………. D. ………………………………………………………………………………………………. E. ……………………………………………………………………………………………….

15. How are do protozoa different from bacteria? ………………………………………………………………………………………………. ……………………………………………………………………………………………….……………………………………………………………………… 16. What Kingdom does protozoa belong to? ………………………….………..……………………… 17. Why are Euglena not considered Protozoa? ……………………………..……………………… 18.

Name one protozoan that causes an STD. ……………………………………..……………………

19. What importance it the cyst stage to the protozoa? …………………………………………………………………………… ……………………………………………………………………………………………….…………………………………………………………… 20. What is the genus name of the vector involved in African Sleeping Sickness? ……………………………………………………

21. Both Plasmodium and Trypanosoma are found in the blood stream. Where are these Protozoans located in respect to the red blood cells during these infections? ……………………………………….……………………………………………………………………………………………………….…………………………………………

22. What is the name of the female mosquito involved in Malaria? ………………………………………………………………… 23. Why are mosquitoes the definitive host of the disease Malaria? ……………. ……………………………………………………………… ……………………………….……………………………………………………………………………………………….…………………………………...