poisonous snake
non-poisonous snake
(a) or (b)
(a) and (b)
B. non-poisonous snake
dermis
epidermis
cornified cells
stratum germinativum
garial
alligator
crocodile
both (b) and (c)
Mabuya
Chameleon
Hemidactylus
None of these
Wall lizard
Vipers
Flying lizard
Garden lizard
Poikilothermic and Amniotic
Homiothermic and Amniotic
Poikilothermic and Anamniotic
Homiothermic and Anamniotic
cobra
krait
viper
sea snake
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
turtles and tortoises
alligators
snakes
lizards
Vipers
Cobra
Lizard
Sphenodon
Lizards
Sphenodon
Snakes
Crabs
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
mandibles
maxilla
squamosal
quadrate
agile habit
hood
black colour
hood and III large supralabials
Chelonia
Ophidia
Lacertilia
Rhyncocephalia
8 pairs
10 pairs
12 pairs
20 paris
fishes and amphibians
all the reptiles
lizards and snakes
egg laying mammals
Glass snake
Coral snake
Rat snake
Blind snake
Diapsida
Sauropsida
Ichthyopsida
Synapsida
snake
chelone
sea snake
lizard
Garden lizard
Cobra
Chameleon
Python
king cobra
crocodile
sphenodon
lizard
air
snout
skin
tongue
glass snake
blind snake
tree snake
sea snake
buccal glands
salivary glands
palatine glands
lacrimal glands
Snakes
Crocodiles
Turtles
Chameleons
krait
viper
sea snake
rat snake
movable eyelids
immovable eyelids
noeyeslids
only nictitating membrane
poisonous snake
non-poisonous snake
(a) or (b)
(a) and (b)
acrodont and homodont dentition
homodont and thecodont dentition
heterodont and thecodont dentition
heterodont and acrodont dentition
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