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Biology NEET 2021 > Animal Kingdom > Flashcards

Animal Kingdom Flashcards

Porifera,coelenterata,ctenophora,platyhelminthes,aschelminthes,annelida,molluscs,echinodemata,hemichordata,chordata

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1
Q

Level of organisation shown by platyhelminthes

A

Organ level

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2
Q

Level of organisation shown by coelenterate and ctenophores

A

Tissue level of organisation

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3
Q

Digestive system of platyhelminthes is?

A

Incomplete

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4
Q

Symmetry of porifera

A

Asymmetric

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5
Q

Symmetry of coelenterates,ctenophores and adult echinoderms

A

Radial

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6
Q

In diploblastic organism ,undifferentiated layer between ectoderm and endoderm is called

A

Mesoglea

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7
Q

Name of third germinal layer of triploblastic organism.

A

Mesoderm

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8
Q

Triploblastic phyla

A

Platyhelminthes to chordates

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9
Q

Coelom is present between

A

Body wall and gut wall

Gut wall and mesoderm

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10
Q

Animals possessing pseudocoelome

A

Aschelminthes

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11
Q

Transport system of porifera is called

A

Water canal system

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12
Q

Water enters through______ in cavity ________and leaves from __________

A

Ostia,spongocoel,osculum

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13
Q

Spongocoel is lined by?

A

Collar cells or choanocytes

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14
Q

Digestion in porifera is

A

Intracellular

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15
Q

Skeleton of porifera made up of

A

Spicules or spongin fibres

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16
Q

Examples of porifera

A

Sycon(scypha),spongilla(fresh water sponge),euspongia(bath sponge)

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17
Q

Which cells are present on the tentacles of the body of ceolenterates

A

Cnidoblasts or cnidocytes

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18
Q

Cnidoblasts contains stinging capsules called

A

Nematocytes

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19
Q

Body form of adamsia

A

Polyp

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20
Q

Body form of aurelia(jelly fish)

A

Medusa

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21
Q

Poly produce medusa_________

A

Asexually

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22
Q

Medusa produce polyp

A

Sexually

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23
Q

Medusa is

A

Free living form

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24
Q

Polyp is

A

Sessile form

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25
Q

Skeleton of some cnidarians eg corals is made up of

A

Calcium carbonate

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26
Q

Metagenesis is exhibited by

A

Obelia

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27
Q

Examples of coelenterates

A

Physalia(portuguese man of war),gorgonia(sea fan),adamsia(sea anemone)hydra,aurelia,obelia,pennetula(sea pen),meandrina(brain coral)

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28
Q

Ctenophores are also called

A

Sea walnuts and comb jellies

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29
Q

Radial symmetry is shown by

A

Cnidarians ,ctenophores and adult echinoderms

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30
Q

Digestion in ctenophores

A

Both intra and extra cellular

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31
Q

The body of ctenophores bears _______ rows of _____ _________ _________

A

Eight,ciliated,comb,plates

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32
Q

Well marked property of ctenophres

A

Bioluminescence

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33
Q

Reproduction in ctenophores takes place by

A

Only sexual means

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34
Q

Examples of ctenophora

A

Pleurobrachia and ctenoplana

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35
Q

Platyhelminthes are mostly ____ parasites

A

Endo

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36
Q

Which cells help in osmoregulation and excretion in platyhelminthes

A

Flame cells

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37
Q

Examples of platyhelminthes

A

Planaria,liver fluke(fasciola),taenia(tapeworm)

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38
Q

Alimentary canal of aschelmithes is _____ with _______

A

Complete, well developed muscular pharynx

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39
Q

Development is aschelminthes may be

A

Direct or indirect

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40
Q

Scientific name of hookeworm

A

Ancyclostoma

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41
Q

Examples of aschelminthes

A

Hookeworm,ascaris(round worm), wuchereria(filaria worm)

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42
Q

What helps in locomotion in annelida

A

Longitudinal and circular muscles

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43
Q

Name an aquatic annelida, what special thing it has for swimming

A

Nereis, parapodia

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44
Q

Circulatory system of annelida is of

A

Closed type

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45
Q

In annelida what helps in osmoregulation and excretion

A

Nephridia

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46
Q

Neural system of annelida consists of

A

Paired ganglia connected by lateral nerves to a double ventral nerve cord

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47
Q

Sexuality of nereies ,earthworm and leech

A

Nereis- dioecious earthworm,leech-monoecious

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48
Q

Examples of annelida

A

Hirudinaria(leech),pheretima(earthworm),nereis

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49
Q

Which phylum is the largest of kingdom animalia

A

Arthropda

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50
Q

______ of all named species on earth are arthropods

A

2/3rd

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51
Q

Body of arthropods is covered by

A

Chitinous exoskeleton

52
Q

From which phylum we start to see respiratory system

A

Arthropods

53
Q

Respiratory organs of arthropods are

A

Book gills,book lungs,gills,tracheal system

54
Q

Balance organ of arthropods are called

A

Statocyst

55
Q

Excretion in arthropods takes place through

A

Malpighian tubes

56
Q

Common name of king crab and it is_____

A

Limulus,living fossil

57
Q

Second largest phylum of animal kingdom

A

Mollusca

58
Q

Metamerism is shown by

A

Annelida,arthropoda,chordates

59
Q

Body of molluscs is covered by ______ shell

A

Calcareous

60
Q

What is mantle cavity in molluscs, what is present in it

A

Space between viscerel hump and the mantle(soft skin over hump).feather like gills are present in it

61
Q

Excretion in molluscs is done by

A

Feather like gills

62
Q

What is radula

A

File like rasping organ for feeding in mouth of molluscs is called radula

63
Q

Body of molluscs is divided into

A

Head ,muscular foot, viscerel hump

64
Q

Molluscs are usually oviparous or viviparous?

A

Ovi

65
Q

Examples(8) of molluscs

A

Pila(apple snail),pinctada(pearl oyester),sepia(cuttle fish),loligo(squid), dentalium(tusk shell),aplysia(sea hare),octopus(devil fish), chaetopleura(chiton)

66
Q

Meaning of echinoderm and why they are called so

A

Spiny bodied, because they have endoskeleton of calcareous ossicles

67
Q

Mouth and anus are located where on echinoderm body

A

Mouth - lower ventral

Anus- upper dorsal

68
Q

Most distinctive feature of echinodermata and what is its function

A

Water vascular system

Locomotion,capture and transport of food and respiration

69
Q

Excretory system of echinoderm is

A

Absent

70
Q

Examples of echinodermata

A

Asterias(star fish),cucumaria(sea cucumber),antedon(sea lily),ophiura(brittle star), echinus(sea urchin)

71
Q

Circulatory system of hemichordata is of

A

Open type

72
Q

Excretory organ of hemichordates

A

Proboscis

73
Q

Examples of hemichordate

A

Saccoglossus and balanoglossus

74
Q

The body of hemichodate is composed of _______ probosis, ______ and ________.

A

Anterior,collar and trunk

75
Q

In the diagram of chordata characteristics , ________ lies on periphery and _______ lies inside.

A

Nerve cord -outer

Notochord-inside

76
Q

In non chordates heart is (location)

A

Dorsal

77
Q

In non chordates heart is (location)

A

Dorsal

78
Q

CNS of non chordates is( dorsal/ventral),( solid/ hollow),(single /double)

A

Ventral,solid and double

Paired ganglion

79
Q

In urochordate notochord is present

A

Only in larval tail

80
Q

In cephalochordates notochord is present

A

From head to tail throughout life

81
Q

Examples of urochordata or tunicata

A

Salpa,ascidia, doliolum

82
Q

Examples of cephalochordata

A

Branchiostoma(amphioxus or lancelets)

83
Q

Division of vertebrates

A

Agnatha and gnathostomata

84
Q

Class of agnatha

A

Cyclostomata

85
Q

Super classes of gnathostomata

A

Picese and tetrapods

86
Q

Class under super class pisces

A

Chondricthyes and osteichthyes

87
Q

Classes under super class tetrapod

A

Amphibia,reptiles,aves and mammals

88
Q

All living members of cyclostomata are _________ on some fishes

A

Ectoparasites

89
Q

No.of pairs of gill slits of cyclostomata

A

6-15

90
Q

Scales of cyclostomata

A

None

91
Q

How do cyclostomata die

A

They migrate to fresh water for spawing amd die after a few days

92
Q

Cranium and vertebral column of cyclostomata is made up of

A

Cartilage

93
Q

Examples of cyclostomata

A

Myxine(hag fish) , petromyzon(lamprey)

94
Q

Mouth of chondrichthyes is located

A

Ventrally

95
Q

In which animals gill slits are covered by operculum and are paired

A

Ostichthyes

96
Q

Skin is covered with which scales

A

Placoid

97
Q

Which animals don’t have air bladder so have to swim continuously

A

Chondrichthyes

98
Q

Which fins in males of chondricthyes bears claspers

A

Pelvic

99
Q

Fertilisation of chondrichthyes and parity

A

Internal and viviparous

100
Q

Which chondricthyes has electric organs

A

Torpedo

101
Q

Which chondrichtyes has poison sting

A

Trygon(sting ray)

102
Q

Examples of chondrichthyes

A

Pristis(saw fish), carcharodon(great white shark),scolidon(dog fish), trygon(sting ray), torpedo

103
Q

No of pairs of osteichthyes gills

A

4

104
Q

Scales of osteichthyes

A

Cycloid/ctenoid

105
Q

Fertilisation and parity of osteichthyes

A

External and oviparous

106
Q

Examples of osteicthyes

A

Marine- exocoetus(flying fish),hippocampus(sea horse)
Freshwater-clarias(magur),rohu(labeo), catla (katla)
Aqaurium-betta(fighting fish), pterophyllum(angel fish)

107
Q

In amphibia, which canals open into cloaca

A

Alimentary,urinary, reproductive

108
Q

Heart of amphibia is

A

3 chambered

109
Q

Examples of amphibia

A

Bufo(toad), rana(frog) ,hyla (tree frog),icthyophis(limbless amphibia), salamander

110
Q

Reptiles refers to

A

Creeping and crawling organisms

111
Q

Skin of reptiles is covered with

A

Dry Cornified skin and epidermal scales or scutes

112
Q

Examples of reptiles(8)

A 
Dangarus(krait)
Chelone(turtle)
Testudo(tortoise)
Chamaleon(tree lizard)
Calotes(garden lizard)
Naja(cobra)
Hemidactylus(wall lizard)
Viper (vipera)
113
Q

Forelimbs of aves are modified into

A

Wings

114
Q

Scales can be seen on which limbs of aves

A

Hind

115
Q

Endoskeleton of aves is ________ and long bones are ________

A

Fully ossified, hollow called pneumatic bones

116
Q

Additional chambers of dugestive system in aves is

A

Crop and gizzard

117
Q

Heart of reptiles is ____

A

3 chambered but 4 in chrocodiles

118
Q

Heart of aves is

A

4 chambered

119
Q

Which tetrapods are warm blooded

A

Aves and mammals

120
Q

Which structure of aves lungs aid resporation

A

Air sacs

121
Q

Examples of aves(7)

A

Corvus(crow), pavo(peacock),columba(pigeon),psitaculla(parrot),aptenodyte(penguin),neophron(vulture),struthio(ostrich)

122
Q

Oil glands are present where in aves

A

Base of tail

123
Q

Examples of mammals

A 
Ornithorhynchus(platypus)
Macropus(kangaroo)
Pteropus(flying fox)
Balanoptera(blue whale)
Canis(dog)
Felis(cat)
Eqqus(horse)
124
Q

Fertilisation in amphibia is

A

External

125
Q

Closed circulatory system is present in

A

Annelida ,cephalopods, and vertebrates

Biology NEET 2021 (10 decks)

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