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COMMON HUMAN INTESTINAL, ORAL AND GENITAL FLAGELLATES.

Total questions: 10

Worksheet time: 5mins

Name
Class
Date
1.

Protozoa that was first observed by dutch scientist Anton van Leeuwenhoek in his own stool. 

a)

Paramecium caudatum

b)

Giardia lamblia

c)

Euglena gracilis

d)

Amoeba

2.

What is the mode of infection of Giardia lamblia?

a)

Ingestion of cyst

b)

Sexual transmission

c)

Skin contact

d)

Inhalation

3.

The protozoa attaches itself to the convex surface of the epithelial cells of the intestine by its sucking disc.

a)

TRUE

b)

FALSE

4.

The trophozoite phase is one of the many infective stages of Trichomonas vaginalis.

a)

TRUE

b)

FALSE

5.

The mode of reproduction of Trichomonas vaginalis is _______.

a)

Budding

b)

Sexual Reproduction

c)

Fragmentation

d)

Binary Fission

6.

Trophozoites are pear shaped, single ovoid nuclei.

a)

TRUE

b)

FALSE

7.

__________ occurs only as a flagellated, vegetative stage in the oral cavity of humans reaching a length of 5–16 μm.

a)

Entamoeba gingivalis

b)

Paramecium Aurelia

c)

Trichomonas tenax

d)

Plasmodium malariae

8.

Mass reproduction occurs in cases when the oral microflora has decreased due to high oral hygiene.

a)

TRUE

b)

FALSE

9.

Trichomonas tenax feed on bacteria through __________.

a)

Pinocytosis

b)

Phagocytosis

c)

Receptor-mediated endocytosis

d)

exocytosis

10.

Practicing oral hygiene and the use of condom prevents the rise of complications due to Trichomonas tenax.

a)

TRUE

b)

FALSE