PROTOZOANS

Question 1

No cell wall. Outer membrane is called the

Answer 1

PERIPLAST.

Question 2

Two regions of the cytoplasm

Answer 2

Ectoplasm
Endoplasm

Question 3

organelles of locomotion are whiplike structures called

Answer 3

flagella

Question 4

motor component

Answer 4

flagella and axonemes

Question 5

neuromotor apparatus

Answer 5

kinetoplast body

Question 6

organelles of locomotion are hyaline-foot like extrusions from
ectoplasm called pseudopodia; phagotrophy (engulfment) and absorbing molecules
(osmotrophy)

Answer 6

Subphylum Sarcodina

Question 7

organelles of locomotion are hair like projections -cilia

Answer 7

Phylum Ciliophora

Question 8

polar rings, subpellicular tubules, conoid, rhoptries and micronemes, for penetration
and invasion of target cel

Answer 8

Phylum Apicomplex

Question 9

All amoeba are commensal (not pathogenic) except

Answer 9

Entamoeba histolytica

Question 10

All amoeba inhabits the colon except

Answer 10

Entamoeba gingivalis

Question 11

All amoeba with cystic stage except

Answer 11

Entamoeba gingivalis

Question 12

Extraintestinal amoebiasis

Answer 12

– liver, lung, spleen, brain

Question 13

Karyosome ( Entamoeba histolytica )

Answer 13

Bulls’ Eye

Question 14

Endoplasm ( Entamoeba histolytica)

Answer 14

clean – looking

Question 15

Entamoeba coli ( Endoplasm
)

Answer 15

dirty – looking

Question 16

. no. of Nuclei ( Entamoeba coli)

Answer 16

1 – 8

Question 17

. no. of Nuclei ( Entamoeba histolytica)

Answer 17

1 – 4

Question 18

Diagnosis Entamoeba histolytica

Answer 18

Saline and methylene blue

Question 19

Virulence factors Entamoeba histolytica

Answer 19

Suppressor factor, lectin,

Question 20

Entamoeba histolytica
Pathogenesis:

Answer 20

Renal, Genital

Question 21

a new specie of
Entamoeba isolated in Japan

Answer 21

Entamoeba marina

Question 22

• Smallest amoeb

Answer 22

Endolimax nana

Question 23

With achromatic karyosomal
chromatin

Answer 23

Iodamoeba butschlii

Question 24

Only has trophozoite and no cyst
- Inhabits the oral cavity
- Associated with gum infections

Answer 24

Entamoeba gingivalis

Question 25

(intestinal parasite of pigs and monkeys)

Answer 25

Entamoeba polecki

Question 26

morphologically similar to E.histolytica but DNA and RNA content is different

Answer 26

Entamoeba dispar

Question 27

also similar to E.histolytica but is smaller in cysts (5-10 um) and is quadrinucleated, also has coarse cytoplasm and chromatoidal bars are thin/bar like and with tapered ends/blunt. Trophozoites can also have either a central or eccentric karyosome but has a fine peripheral chromatin, has non progressive motility.

Answer 27

Entamoeba hartmanni

Question 28

hyaline-foot like extrusions from ectoplasm called

Answer 28

pseudopodia