Protozoa

Question 1

Protozoa is derived from two words _______ and ___

Answer 1

Protos and zoon

Question 2

_______ are unicellular organisms

Answer 2

Protozoa

Question 3

Protozoa is the ______ form of animal life

Answer 3

Lowest

Question 4

Protozoa contain how many phyla?

Answer 4

3

Question 5

Name the 3 Phyla of protozoa

Answer 5

Phylum Sarcomastigophora, Phylum Ciliophora and Phylum Apicomplexa

Question 6

2 subphylum of Phylum Sarcomastigophora

Answer 6

Subphylum Sarcodina and Subphylum Mastigophora

Question 7

It is also called Phylum Microspora

Answer 7

Phylum Apicomplexa

Question 8

Motile from, Vegetative stage, Reproductive powers, feeding stage, cannot survive long outside the host

Answer 8

Trophozoite

Question 9

The resting stage, nonmotile stage, has thick protective wall, Infective stage

Answer 9

Cyst

Question 10

conversion of trophozoites to cysts

Answer 10

Encystation

Question 11

Encystation occurs in the ______ part of the intestine when the environment becomes unacceptable for continued trophozoite multiplication

Answer 11

Distal

Question 12

Conditions that may trigger encystation:

Answer 12

Amoeba overpopulation, pH change, Food supply, and Available oxygen

Question 13

Excystaion is the morphologic conversion from the _____ form to the ______ form

Answer 13

cyst to trophozoite

Question 14

Replication occurs in ________ stage

Answer 14

Tropozoite

Question 15

Excystation is accomplished by multiplication of the nucleus via ______________

Answer 15

Binary Fission

Question 16

2 Types of reproduction

Answer 16

Asexual and sexual

Question 17

2 types of fission under asexual

Answer 17

Binary and Multiple

Question 18

divides into two of more or less equal parts

Answer 18

Binary Fission

Question 19

It is the Protozoan’s most common way of reproduction

Answer 19

Binary Fission

Question 20

Plane of Division

Answer 20

AR,FL,CT

Question 21

Sequence of Division

Answer 21

O>N>C

Question 22

In multiple fission, the nucleus and other essential organelles divide repeatedly followed by _____ (cytoplasmic division)

Answer 22

Cytokinesis

Question 23

Large number of daughter cells are produced almost simultaneously

Answer 23

Multiple fission

Question 24

Multiple fission is the way of reproduction for _______________

Answer 24

Apicomplexa (Plasmodium)

Question 25

What ruptures and liberates daughter cells when the multiplication is completed in schizogony?

Answer 25

Schizont/Meronts

Question 26

Daughter cells in Schizogony are called?

Answer 26

Merozoites

Question 27

Liberated daughter cells (merozoites) initiates another phase of:

Answer 27

Merogony and Gametogony

Question 28

More asexual reproducing merozoites

Answer 28

Merigony

Question 29

Gamete formation

Answer 29

Gametogony

Question 30

Schizogony, Endopolyogeny and Sporogony are under?

Answer 30

Multiple fission

Question 31

It is sometimes considered a form of internal budding

Answer 31

Endopolyogeny

Question 32

Endopolyogeny and Schizigony differ only in the __________________ relative to the mother cell

Answer 32

Location of daughter cells

Question 33

In Endopolyogeny, Daughter cells form in the _____________ rather than at the periphery

Answer 33

Center of the mother cell

Question 34

Endodyogeny

Answer 34

Endopolyogeny

Question 35

Meiosis immediately after the union of gametes

Answer 35

Sporogony

Question 36

Products of sporogony

Answer 36

Sporozoites in resistant oocysts

Question 37

Syngamy and Conjugation are under

Answer 37

Sexual

Question 38

Syngamy involves the union of

Answer 38

Union of entire cells (e.g., gametes)

Question 39

Sexually differentiated cells are called?

Answer 39

Gametes

Question 40

Gametes unite permanently and ____________ of nuclear material takes place

Answer 40

Complete fission

Question 41

Resulting product of syngamy

Answer 41

Zygote

Question 42

What produces (Female) Macrogametes and (Male) Microgametes

Answer 42

Gametocyets or Gamonts

Question 43

Gametocytes or gamonts are formed by

Answer 43

Gametogony

Question 44

Ciliates' way of reproduction

Answer 44

Conjugation

Question 45

It is distinguishable from syngamy in that conjugation involves _________ and _____

Answer 45

Nuclear exchange and union

Question 46

Specialized sexual mechanism

Answer 46

Conjugation