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Animal kingdom > Chordata > Flashcards

Chordata Flashcards

1
Q

Notochord upto tail

A

Subphyllum Urochordata

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2
Q

Notochord extends throughout

A

S. Cephalochordata

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3
Q

Notochord replaced by vertebral column

A

S. Craniata/ vertebrata

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4
Q

Division with no ture jaws or appendages

A

Div. Agnatha

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5
Q

Study of fishes

A

Ichthyology

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6
Q

Age of fishes

A

Devonian

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7
Q

Cartilagenous fish are aka

A

Chondrichthyes

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8
Q

Chondrichthyes has ____ Mouth( position)

A

Ventral

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9
Q

Scales of chondrichthyes

A

Placoid

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10
Q

Swim bladder is present in class__

A

Osteichthyes

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11
Q

Gills not covered by opecula in Class

A

Chondrichthyes

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12
Q

Kidney in Chondrichthyes and Osteichthyes

A

mesonephric

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13
Q

No of heart chambers

A

1 ventricle and 1 auricle

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14
Q

Animal that has electric organ

A

Torpedo

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15
Q

Poison sting ray possesd by

A

Trygon

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16
Q

Class OSteichthyes is aka

A

Bony fishes

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17
Q

Scales in bony fishes

A

ganiod, cycloid, ctenoid

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18
Q

development and fertilisation in bony fish

A

develop- internal

fertil- external

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19
Q

Organs for sensing vibraions in bony fish

A

Lateral line system of sense organs/ nerve cells in pits

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20
Q

Rohu, katla , flying fish, Sea horse( Hippocrampus) are eg of:

A

Bony fish

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21
Q

Asymmetrical and symmetrical scales posses by

A

A- Cartilagenous S- Bony

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22
Q

Bony fishes found in

A

marine and freshwater

23
Q

cartilagenous fish found only in

A

marine

24
Q

Amphibians have ___ for movement and protection

A

nictitating membrane

25
Q

No of chambers of heart in amphibians

A

1 auricle and 2 ventricles

26
Q

Nostrils behind he __-

A

eye

27
Q

Amphi have ___ for hearing

A

tympanum ( 2 grey patches)

28
Q

Fertilisation is ___ in amphis

A

external

29
Q

Types of respiration in amphibians

A

Cutaneous- moist skin
pulmonary- lungs
buccal - lining of mouth cavity

30
Q

Eg of Order urodula

A

Salamender

31
Q

Eg of order anura

A

Toad frog

32
Q

limbless amphibians are under order

A

order apoda (caecilian worm)

33
Q

tailess amphi

A

Order anura

34
Q

Tailed amphi

A

Order urodula

35
Q

Prevention of loss of water in class reptilia

A

horny scales

36
Q

Study of reptiles

A

herpetoloy

37
Q

The animal with 4 chambered heart in reptilia while all the others have 3

A

crocodiles

38
Q

Golden age of reptiles

A

Mesozoic era

39
Q

Jacobson’s organ present on floor of mouth of

A

Reptiles

40
Q

Respiration in reptiles

A

Lungs

41
Q

Fertilisation

A

Internal

42
Q

LARGEST LIZARD

A

Komodo dragon

43
Q

glorified reptiles

A

Aves

44
Q

sound producing organ in birds

A

Syrinx

45
Q

Gland in birds

A

oil or preen gland or uropygeal gland at base of sort tail or uropygium

46
Q

Oil glands absent in

A

Ostrich and parrot

47
Q

bone marrow is absent or present

A

absent

48
Q

alimentary canal of birds contain

A

crop - storing and softening of food

gizzard crushing

49
Q

No of air sacs

A

9

50
Q

the strong bone for flight

A

keel

51
Q

no of chambers of heart in birds

A

4

52
Q

They lack __ for weight loss

A

right ovary and right oviduct

53
Q

smallest bird

A

humming bird

54
Q

smallest indian bird

A

Tickle’s flowerpecker

Animal kingdom (2 decks)

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