PARASIT LEC UNIT 1 AND 2

Question 1

4 phylas of Protozoa

Answer 1

1.phylum sarcomastigophora
2. Phylum Ciliophora
3. Phylum Apicomplexa
4. Phylum Microspora

Question 2

What kingdom classification does Protozoa fall under?

Answer 2

Kingdom Protista

Question 3

What is the cell type of Protozoa?

Answer 3

Eukaryotic

Question 4

What cellular organization does Protozoa fall unto?

Answer 4

Unicellular

Question 5

Nutritional type of Protozoa

Answer 5

Heterotroph

Question 6

Greek word Portos mean?

Answer 6

First/primitive

Question 7

What does “protos + zoon” mean?

Answer 7

First animal

Question 8

Why were protozoans described as animal like?

Answer 8

Because of their motility

Question 9

Pathogenic stage

Answer 9

Trophozoite

Question 10

Resistant stage

Answer 10

Cysts

Question 11

Infective stage

Answer 11

Cysts

Question 12

Found in formed stool

Answer 12

Cysts

Question 13

Found in watery stools

Answer 13

Trophozoite

Question 14

Vegetative stage

Answer 14

Trophozoite

Question 15

Found in adverse/ unfavorable conditions

Answer 15

Cysts

Question 16

Found in favorable conditions

Answer 16

Trophozoites

Question 17

Transformed from the active Trophozoite stage to an inactive cyst stage, losing its power of motility, growth, and reproduction, and enclosing itself in a tough wall

Answer 17

Encystation

Question 18

Happens when an organism leaves the cyst stage and continues its life cycle in the trophozoite stage

Answer 18

Excystation

Question 19

True or false: Encystation and Excystation only occur within the host

Answer 19

True

Question 20

New cells are formed from one parent cell only

Answer 20

Asexual Mode of Reproduction

Question 21

Divides into two of more or less equal parts; occurs randomly

Answer 21

Binary fission

Question 22

What parasite lies under the binary fission?

Answer 22

Ameoba

Question 23

The cell would divide across the length

Answer 23

Longitudinal Binary Fisson

Question 24

The cell would divide across the width

Answer 24

Transverse Binary fisson

Question 25

Parasite found in transverse binary fission

Answer 25

Ciliates

Question 26

Two fissions involved in asexual mode of reproduction

Answer 26

A. Binary fission B. Multiple fisson

Question 27

One parent cell will undergo repeated division. Occurs in apicomplexa

Answer 27

Multiple fission

Question 28

What is the dividing form of apicomplexa

Answer 28

Schizonts

Question 29

When the schizont ruptures, it produces individual daughter cells called______

Answer 29

Merozoites

Question 30

Division of the cytoplasm

Answer 30

Cytokinesis

Question 31

Development of schizonts

Answer 31

Schizogony

Question 32

From schizont different meroizoites are formed

Answer 32

Merogony

Question 33

What sexual mode of reproduction is Formed from two 2 different parent cell

Answer 33

Sexual Mode of Reproduction

Question 34

2 process in sexual mode of reproduction

Answer 34

Syngamy and Conjugation

Question 35

Sexually di development of gametocytes

Answer 35

Gametogony

Question 36

Male gametocyte

Answer 36

Microgametocyte

Question 37

Female gametocyte

Answer 37

Macrogametocyte

Question 38

Microgametocyte would transform into?

Answer 38

Microgamete

Question 39

Macrogametocyte would mature into?

Answer 39

Macrogamete

Question 40

Syngamy is also known as?

Answer 40

Fertilization

Question 41

When the microgamete fertilizes the macrogamete what would be produced?

Answer 41

Zygote

Question 42

In apicomplexans, the cystic form is an?

Answer 42

Oocyst

Question 43

Oocyst would divide into multiple cells

Answer 43

Sporozoites

Question 44

Involves gene recombination

Answer 44

Conjugation

Question 45

Occurs in ciliates under sexual mode of reproduction

Answer 45

Conjugation

Question 46

One human ciliate what parasite

Answer 46

Balantidium Coli

Question 47

What are the two different type of nuclei in Balanditium Coli

Answer 47

Macronucleus Micronucleus

Question 48

3 generas under the parasitic amoeba

Answer 48

Entamoeba Enolimax Iodamoeba

Question 49

All are found in the intestinal lumen except?

Answer 49

Entamoeba gingivitis

Question 50

All other amoeba species are commensalism except?

Answer 50

Entameoba histolytica, pathogenic amoeba

Question 51

All amoeba exist in two forms in the life cycle; trophozoite and cysts EXCEPT?

Answer 51

E. Gingivitis; occurs in trophozoite stage only

Question 52

Two groups of amoebae are of medical importance:

Answer 52

1. Parasitic amoebae 2. Free living amoeba

Question 53

Two species under pathogenic free living amoeba

Answer 53

1. Naegleria 2. Acanthamoeba

Question 54

3 genera of parasitic amoeba

Answer 54

1. Entamoeba 2. Endolimax 3. Iodamoeba