terrapins
turtles
tortoises
none of these
A. terrapins
turtles and tortoises
alligators
snakes
lizards
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
garden lizard
crocodiles
cobras
vipers
true snake
lizard
protochordate
pseudosnake
Diapsida
Sauropsida
Ichthyopsida
Synapsida
nervous system
respiratory system
digestive system
excretory system
Wall lizard
Vipers
Flying lizard
Garden lizard
Garden lizard
Cobra
Chameleon
Python
respiratory system
circulatory system
digestive system
nervous system
dermis
epidermis
cornified cells
stratum germinativum
Eryx johnii
Naja naja
Enhydrina
Bungarus
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
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
king cobra
crocodile
sphenodon
lizard
Chelonia
Ophidia
Lacertilia
Rhyncocephalia
Snakes
Crocodiles
Turtles
Chameleons
Lizards
Sphenodon
Snakes
Crabs
movable eyelids
immovable eyelids
noeyeslids
only nictitating membrane
Ophiothrix
Heloderma
Ophiosaurus
Both (a) and (b)
Poikilothermic and Amniotic
Homiothermic and Amniotic
Poikilothermic and Anamniotic
Homiothermic and Anamniotic
a lizard has limbs while a snake is limbless
a lizard has movable eyelids while in snake the eyelids are immovble
a snake has functionable ear while in lizards the ears are non-functionable
a snake is poisonous while lizards are non-poisonous
viper
krait
sea snake
cobra
acrodont and homodont dentition
homodont and thecodont dentition
heterodont and thecodont dentition
heterodont and acrodont dentition
Hetttidaclylus
Chameleon
Draco
Sphenodon
Herpetology
Saurology
Nidology
None of these
poisonous snake
non-poisonous snake
(a) or (b)
(a) and (b)
terrapins
turtles
tortoises
none of these
ribs and reduced limbs
ribs only
reduced limbs
reduced ribs
snake
chelone
sea snake
lizard
Glass snake
Coral snake
Rat snake
Blind snake