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Protozoa > Protozoa > Flashcards

Protozoa Flashcards

Learn about protozoa

1
Q

Protozoa are traditionally referred to as

A

Chemoorganotrophic protists.

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2
Q

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

A

Complete organism

Single plasma membrane

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3
Q

Protozoans lack

A

Collagen and chitinous cell walls.

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4
Q

Protozoans are

A

Unicellular eukaryotes

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5
Q

A regular arrangement of microtubules is called

A

Pellicle

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5
Q

A regular arrangement of microtubules is called

A

Pellicle

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6
Q

The pellicle is both

A

Rigid and flexible

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7
Q

The cytoplasm of protozoan is differentiated into two regions

A

Ectoplasm

Endoplasm

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8
Q

Plantlike protists are primarily

A

Autotrophic

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9
Q

Animal-like protists are primarily

A

Heterotrophic

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10
Q

Protozoans lack collagen and chitinous cell walls. True or false

A

True

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11
Q

Microtubules is also know as

A

Pellicle

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12
Q

Pellicle is also known as

A

Microtubules

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13
Q

Protozoans reproduce both

A

Sexually and Asexually

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14
Q

The simplest and most common form of asexual reproduction is

A

Binary fission

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15
Q

Binary fission is longitudinal in

A

Euglenoids

16
Q

Binary fission is transverse in

A

Ciliates

17
Q

Cytokinesis means

A

Cytoplasmic division

18
Q

Schizogony is also known as

A

Multiple fission

19
Q

In most protozoans, sexually matured individual is

A

Haploid

20
Q

The 7 phyla of protozoan are

A 
Sarcomastigophora
Ciliophora
Apicomplexa
Myxozoa
Acetospora
Microspora
Labyrinthomorpha
21
Q

Metagenomic studies grouped protozoans according to their______________

A

Phylogenetic relatedness

22
Q

Microsporidians once considered________________ are now classified as

A

Amitochondriate

Fungi

23
Q

Sarcomastigophora has only______ type of nucleus

A

One

24
Q

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

A

Flagella or pseudopodia

25
Q

The three subphylum of phylum sarcomastigophora are

A

Mastigophora
Sarcodina
Opalinata

26
Q

Subphylum mastigophora are also called

A

Flagellates

27
Q

Mastigophorans move by means of

A

One or more flagella

28
Q

Mastigophorans are divided into

A

Phytomastigophora

Zoomastigophora

29
Q

Phytoflagellates are mostly

A

Biflagellated chlorohyll-bearing autotrophs or mixotrophs

30
Q

Example of phytoflagellates is

A

Euglenoids

Protozoa (2 decks)

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