Chordata

Question 1

Notochord upto tail

Answer 1

Subphyllum Urochordata

Question 2

Notochord extends throughout

Answer 2

S. Cephalochordata

Question 3

Notochord replaced by vertebral column

Answer 3

S. Craniata/ vertebrata

Question 4

Division with no ture jaws or appendages

Answer 4

Div. Agnatha

Question 5

Study of fishes

Answer 5

Ichthyology

Question 6

Age of fishes

Answer 6

Devonian

Question 7

Cartilagenous fish are aka

Answer 7

Chondrichthyes

Question 8

Chondrichthyes has ____ Mouth( position)

Answer 8

Ventral

Question 9

Scales of chondrichthyes

Answer 9

Placoid

Question 10

Swim bladder is present in class__

Answer 10

Osteichthyes

Question 11

Gills not covered by opecula in Class

Answer 11

Chondrichthyes

Question 12

Kidney in Chondrichthyes and Osteichthyes

Answer 12

mesonephric

Question 13

No of heart chambers

Answer 13

1 ventricle and 1 auricle

Question 14

Animal that has electric organ

Answer 14

Torpedo

Question 15

Poison sting ray possesd by

Answer 15

Trygon

Question 16

Class OSteichthyes is aka

Answer 16

Bony fishes

Question 17

Scales in bony fishes

Answer 17

ganiod, cycloid, ctenoid

Question 18

development and fertilisation in bony fish

Answer 18

develop- internal

fertil- external

Question 19

Organs for sensing vibraions in bony fish

Answer 19

Lateral line system of sense organs/ nerve cells in pits

Question 20

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

Answer 20

Bony fish

Question 21

Asymmetrical and symmetrical scales posses by

Answer 21

A- Cartilagenous S- Bony

Question 22

Bony fishes found in

Answer 22

marine and freshwater

Question 23

cartilagenous fish found only in

Answer 23

marine

Question 24

Amphibians have ___ for movement and protection

Answer 24

nictitating membrane

Question 25

No of chambers of heart in amphibians

Answer 25

1 auricle and 2 ventricles

Question 26

Nostrils behind he __-

Answer 26

eye

Question 27

Amphi have ___ for hearing

Answer 27

tympanum ( 2 grey patches)

Question 28

Fertilisation is ___ in amphis

Answer 28

external

Question 29

Types of respiration in amphibians

Answer 29

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

Question 30

Eg of Order urodula

Answer 30

Salamender

Question 31

Eg of order anura

Answer 31

Toad frog

Question 32

limbless amphibians are under order

Answer 32

order apoda (caecilian worm)

Question 33

tailess amphi

Answer 33

Order anura

Question 34

Tailed amphi

Answer 34

Order urodula

Question 35

Prevention of loss of water in class reptilia

Answer 35

horny scales

Question 36

Study of reptiles

Answer 36

herpetoloy

Question 37

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

Answer 37

crocodiles

Question 38

Golden age of reptiles

Answer 38

Mesozoic era

Question 39

Jacobson's organ present on floor of mouth of

Answer 39

Reptiles

Question 40

Respiration in reptiles

Answer 40

Lungs

Question 41

Fertilisation

Answer 41

Internal

Question 42

LARGEST LIZARD

Answer 42

Komodo dragon

Question 43

glorified reptiles

Answer 43

Aves

Question 44

sound producing organ in birds

Answer 44

Syrinx

Question 45

Gland in birds

Answer 45

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

Question 46

Oil glands absent in

Answer 46

Ostrich and parrot

Question 47

bone marrow is absent or present

Answer 47

absent

Question 48

alimentary canal of birds contain

Answer 48

crop - storing and softening of food | gizzard crushing

Question 49

No of air sacs

Answer 49

9

Question 50

the strong bone for flight

Answer 50

keel

Question 51

no of chambers of heart in birds

Answer 51

4

Question 52

They lack __ for weight loss

Answer 52

right ovary and right oviduct

Question 53

smallest bird

Answer 53

humming bird

Question 54

smallest indian bird

Answer 54

Tickle's flowerpecker