Protoza Flashcards

1
Q

single cell eukaryotic microorganism belonging to kingdom protista

A

protozoa

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2
Q

out of 10,000 species of parasitic protozoa man harbors only about how many species

A

70 species

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3
Q

protozoa wide range of what size

A

1 to 150 micrometer

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4
Q

if the protozoa is the phylum what are the subphylum

A

sarcomastigophora
sporazoa
cnidospora
ciliophora

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5
Q

the subphyllum sarcomastigophora has a superclass, what are those

A

mastigophora
opalinata
sarcodina

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6
Q

what are the major methods of transmission of protozoal infection

A

ingestion
anthropod vector
transmitted by sexual contact

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7
Q

amoeba that move by means of

A

pseudopodia

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8
Q

protozoa that possess one to several

A

flagella

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9
Q

protozoa that move by means of many __ on the cell surface

A

cilia

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10
Q

a unicellular, single “cell like unit”

A

protozoa

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11
Q

multicellular, a number of cells making up a complex individual

A

metazoa

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12
Q

it is a portion of cytoplasm, outer homogeneous part. for involvement of food by producing for involvement of food by producing pseudopodia

A

ectoplasm

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13
Q

a portion of cytoplasm, inner granular portion of cytoplasm that contains nucleus and other structures

A

endoplasm

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14
Q

it contains one or more nuclei or a central karyosome

A

nucleus

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15
Q

an extra nuclear chromatin material

A

chromatoid body

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16
Q

within the nucleus containing DNA (deoxyribonucleic acid)

A

karyosome

17
Q

a non-nuclear DNA present in addition to nucleus

A

kinetoplast

18
Q

kinetoplast is seen in

A

trypanosome

19
Q

flagellum originates near the canatoplast, point of origin of flagellum is called

A

basal body

20
Q

fine, needle like filaments, covering the entire surface of the body

A

cilia

21
Q

trophos: nourishment
it is the active feeding and going stage of protozoa

A

trophozoite

22
Q

in asexual reproduction, it is a method of which a single parasite divides either longitudinally or transversely into two or more equal numbers of parasite

A

binary fission

23
Q

it is division of nucleus followed by division of cytoplasm

A

mitotic division

24
Q

in asexual reproduction, in which nucleus undergo several successive divisions within the schizont of produced large number of meroziles

A

multiple fission or schizogony

25
Q

in asexual reproduction, some protozoa like toxoplasma, multiply by internal budding, resulting in the formation of two daughter cells

A

endodyogeny

26
Q

in sexual reproduction, in ciliates, in which two organism join together and reciprocally exchange nuclear material

A

conjugation

27
Q

required host, which they multiply asexually in the traffic stage and transfer from one host to another by the cystic form

A

single host

28
Q

asexual method of reproduction occurs in one host (man) and a sexual method of reproduction in another host ( misquito)

A

second host

29
Q

it includes those parasites, which have no permanent locomotory organs but move about with the aid of temporary prolongations of the body called pseudopodia

A

sarcodina (sarcos meaning flesh or body)

30
Q

those protozoa which possess whip-like flagella

A

masrigophora (mastix meaning whip or flagellum)

31
Q

formerly known as sporozoa

A

phylum apacomplexa

32
Q

this protozoa are motil by means of cilia, which cover their entire body surface

A

phylum ciliphora

33
Q

the only human parasite in the group of phylum ciliphora is

A

balantidium coli

34
Q

contains many minute intracellular
protozoan parasites, which frequently cause disease in immunodeficient subjects.

A

phylum microspora

35
Q

what are those asexual reproduction

A

binary fission
multiple fission or schizogony
endodyogeny

36
Q

what are those sexual reproduction

A

conjugation
gametogony and syngamy