air
snout
skin
tongue
C. skin
terrapins
turtles
tortoises
none of these
coral snake
sea snake
sphenodon
garden lizard
Chelonia
Ophidia
Lacertilia
Rhyncocephalia
dermis
epidermis
cornified cells
stratum germinativum
Ophiothrix
Heloderma
Ophiosaurus
Both (a) and (b)
Hetttidaclylus
Chameleon
Draco
Sphenodon
Eryx johnii
Naja naja
Enhydrina
Bungarus
Varanus-monitor lizard
Heloderma-g\l& monster
Ophiosaurus-glass snake
Chameleon-coloured lizard
Mabuya
Chameleon
Hemidactylus
None of these
poisonous snake
non-poisonous snake
(a) or (b)
(a) and (b)
Lizards
Sphenodon
Snakes
Crabs
snake
chelone
sea snake
lizard
agile habit
hood
black colour
hood and III large supralabials
Poikilothermic and Amniotic
Homiothermic and Amniotic
Poikilothermic and Anamniotic
Homiothermic and Anamniotic
king cobra
crocodile
sphenodon
lizard
Lizards have two pairs of pentadactyl limbs
Crocodile has webbed feet
Crocodiles are included under the sub-class Diapsida
The only poisonous lizard is varanus
Vipers
Cobra
Lizard
Sphenodon
ribs and reduced limbs
ribs only
reduced limbs
reduced ribs
viper
krait
sea snake
cobra
dorsoventraly flattened
compressed from side to side
cylindrical and tapering
all of these
Chameleon
House lizard
Snake
Crocodile
buccal glands
salivary glands
palatine glands
lacrimal glands
air
snout
skin
tongue
The eardrum and middle ear are absent in snakes
Turtles are terrestrial whereas tortoises are aquatic
The rami of lower chin is fused in lizards
Crocodiles have a compressed tail
krait
viper
sea snake
rat snake
cobra
krait
viper
sea snake
fishes and amphibians
all the reptiles
lizards and snakes
egg laying mammals
nervous system
respiratory system
digestive system
excretory system
Snakes
Crocodiles
Turtles
Chameleons
Their body is covered with dry, horny, mesodermal scales
Their skin is devoid of glands
They are poikilothermous
Their skeletons are more bony than in amphibians