Protozoa

Question 1

Protozoa are traditionally referred to as

Answer 1

Chemoorganotrophic protists.

Question 2

A protozoan is a____________ in which all life activities are carried out within a____________

Answer 2

Complete organism

Single plasma membrane

Question 3

Protozoans lack

Answer 3

Collagen and chitinous cell walls.

Question 4

Protozoans are

Answer 4

Unicellular eukaryotes

Question 5

A regular arrangement of microtubules is called

Answer 5

Pellicle

Question 5

A regular arrangement of microtubules is called

Answer 5

Pellicle

Question 6

The pellicle is both

Answer 6

Rigid and flexible

Question 7

The cytoplasm of protozoan is differentiated into two regions

Answer 7

Ectoplasm

Endoplasm

Question 8

Plantlike protists are primarily

Answer 8

Autotrophic

Question 9

Animal-like protists are primarily

Answer 9

Heterotrophic

Question 10

Protozoans lack collagen and chitinous cell walls. True or false

Answer 10

True

Question 11

Microtubules is also know as

Answer 11

Pellicle

Question 12

Pellicle is also known as

Answer 12

Microtubules

Question 13

Protozoans reproduce both

Answer 13

Sexually and Asexually

Question 14

The simplest and most common form of asexual reproduction is

Answer 14

Binary fission

Question 15

Binary fission is longitudinal in

Answer 15

Euglenoids

Question 16

Binary fission is transverse in

Answer 16

Ciliates

Question 17

Cytokinesis means

Answer 17

Cytoplasmic division

Question 18

Schizogony is also known as

Answer 18

Multiple fission

Question 19

In most protozoans, sexually matured individual is

Answer 19

Haploid

Question 20

The 7 phyla of protozoan are

Answer 20

Sarcomastigophora
Ciliophora
Apicomplexa
Myxozoa
Acetospora
Microspora
Labyrinthomorpha

Question 21

Metagenomic studies grouped protozoans according to their______________

Answer 21

Phylogenetic relatedness

Question 22

Microsporidians once considered________________ are now classified as

Answer 22

Amitochondriate

Fungi

Question 23

Sarcomastigophora has only______ type of nucleus

Answer 23

One

Question 24

What is or are the locomotive and feeding organelles present in phylum sarcomastigophora

Answer 24

Flagella or pseudopodia

Question 25

The three subphylum of phylum sarcomastigophora are

Answer 25

Mastigophora
Sarcodina
Opalinata

Question 26

Subphylum mastigophora are also called

Answer 26

Flagellates

Question 27

Mastigophorans move by means of

Answer 27

One or more flagella

Question 28

Mastigophorans are divided into

Answer 28

Phytomastigophora

Zoomastigophora

Question 29

Phytoflagellates are mostly

Answer 29

Biflagellated chlorohyll-bearing autotrophs or mixotrophs

Question 30

Example of phytoflagellates is

Answer 30

Euglenoids