agile habit
hood
black colour
hood and III large supralabials
D. hood and III large supralabials
Heloderma
Chameleon
Ophiosaurus
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
fishes and amphibians
all the reptiles
lizards and snakes
egg laying mammals
mandibles
maxilla
squamosal
quadrate
dorsoventraly flattened
compressed from side to side
cylindrical and tapering
all of these
agile habit
hood
black colour
hood and III large supralabials
respiratory system
circulatory system
digestive system
nervous system
Garden lizard
Cobra
Chameleon
Python
cobra
python
viper
krait
Glass snake
Coral snake
Rat snake
Blind snake
nervous system
respiratory system
digestive system
excretory system
coral snake
sea snake
sphenodon
garden lizard
Eryx johnii
Naja naja
Enhydrina
Bungarus
glass snake
blind snake
tree snake
sea snake
Varanus-monitor lizard
Heloderma-g\l& monster
Ophiosaurus-glass snake
Chameleon-coloured lizard
garial
alligator
crocodile
both (b) and (c)
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
snake
chelone
sea snake
lizard
ribs and reduced limbs
ribs only
reduced limbs
reduced ribs
8 pairs
10 pairs
12 pairs
20 paris
Ophiothrix
Heloderma
Ophiosaurus
Both (a) and (b)
Herpetology
Saurology
Nidology
None of these
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
pre- and post-zygapophysis
zygantera and zygosphenes
neural arches and haemal arches
none of these
krait
viper
sea snake
rat snake
dermis
epidermis
cornified cells
stratum germinativum
cobra
krait
viper
sea snake
Poikilothermic and Amniotic
Homiothermic and Amniotic
Poikilothermic and Anamniotic
Homiothermic and Anamniotic
poisonous snake
non-poisonous snake
(a) or (b)
(a) and (b)
buccal glands
salivary glands
palatine glands
lacrimal glands