cobra
python
viper
krait
D. krait
fishes and amphibians
all the reptiles
lizards and snakes
egg laying mammals
Hetttidaclylus
Chameleon
Draco
Sphenodon
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
Vipers
Cobra
Lizard
Sphenodon
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
pre- and post-zygapophysis
zygantera and zygosphenes
neural arches and haemal arches
none of these
Herpetology
Saurology
Nidology
None of these
poisonous snake
non-poisonous snake
(a) or (b)
(a) and (b)
Varanus-monitor lizard
Heloderma-g\l& monster
Ophiosaurus-glass snake
Chameleon-coloured lizard
turtles and tortoises
alligators
snakes
lizards
ribs and reduced limbs
ribs only
reduced limbs
reduced ribs
Mabuya
Chameleon
Hemidactylus
None of these
Diapsida
Sauropsida
Ichthyopsida
Synapsida
cobra
python
viper
krait
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
Wall lizard
Vipers
Flying lizard
Garden lizard
cobra
krait
viper
sea snake
respiratory system
circulatory system
digestive system
nervous system
dermis
epidermis
cornified cells
stratum germinativum
viper
krait
sea snake
cobra
8 pairs
10 pairs
12 pairs
20 paris
king cobra
crocodile
sphenodon
lizard
Heloderma
Chameleon
Ophiosaurus
Varanus
Snakes
Crocodiles
Turtles
Chameleons
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
Chameleon
House lizard
Snake
Crocodile
agile habit
hood
black colour
hood and III large supralabials
Poikilothermic and Amniotic
Homiothermic and Amniotic
Poikilothermic and Anamniotic
Homiothermic and Anamniotic
Chelonia
Ophidia
Lacertilia
Rhyncocephalia