Which one of these is a fossil ?
Hetttidaclylus
Chameleon
Draco
Sphenodon
Correct Answer :
D. Sphenodon
Related Questions
If a snake has small belly scales and a cylindrical tail, it is a
poisonous snake
non-poisonous snake
(a) or (b)
(a) and (b)
Crocodiles have
acrodont and homodont dentition
homodont and thecodont dentition
heterodont and thecodont dentition
heterodont and acrodont dentition
The reptile which has a fourchambered heart is
king cobra
crocodile
sphenodon
lizard
The only poisonous lizard of the world is
Varanus-monitor lizard
Heloderma-g\l& monster
Ophiosaurus-glass snake
Chameleon-coloured lizard
The main difference between a lizard and a snake is that
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
A viviparous lizard is
Mabuya
Chameleon
Hemidactylus
None of these
Typhlop is
glass snake
blind snake
tree snake
sea snake
The study of lizard is known as
Herpetology
Saurology
Nidology
None of these
All reptiles are
Poikilothermic and Amniotic
Homiothermic and Amniotic
Poikilothermic and Anamniotic
Homiothermic and Anamniotic
A snake has small scales on its belly, the tail being compressed laterally, it is a
krait
viper
sea snake
rat snake
The venom of viper effects
respiratory system
circulatory system
digestive system
nervous system
Pleurodont dentition is characteristic of
fishes and amphibians
all the reptiles
lizards and snakes
egg laying mammals
Which one of these is a sea snake?
Eryx johnii
Naja naja
Enhydrina
Bungarus
In poisonous snakes, the poison injecting teeth or fangs develop on
mandibles
maxilla
squamosal
quadrate
Which one of these is a fossil ?
Hetttidaclylus
Chameleon
Draco
Sphenodon
A snake has
movable eyelids
immovable eyelids
noeyeslids
only nictitating membrane
Which of these is false ?
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 snakes belong to the group
Chelonia
Ophidia
Lacertilia
Rhyncocephalia
The ability to change colour rapidly so as to blend with the background of their environment is best seen in
Snakes
Crocodiles
Turtles
Chameleons
The poison glands of a poisonous snake are modifed
buccal glands
salivary glands
palatine glands
lacrimal glands
Copulatory organs are absent in
Lizards
Sphenodon
Snakes
Crabs
The largest lizard is
Heloderma
Chameleon
Ophiosaurus
Varanus
Vertebrae of reptiles are
Amphicoelous
Procoelous
Platycoelous
Gastrocoelous
The locomotion of snake is helped by
ribs and reduced limbs
ribs only
reduced limbs
reduced ribs
If the dorsal median row of scales on the back are large and the fourth infralabial is largest, it is a
cobra
python
viper
krait
A well developed secondary palate is found in
garden lizard
crocodiles
cobras
vipers
The venom of cobra effects
nervous system
respiratory system
digestive system
excretory system
Moulting or shedding of skin in snakes is done by
dermis
epidermis
cornified cells
stratum germinativum
Greatly elongated snout is seen in
garial
alligator
crocodile
both (b) and (c)
Which is not a true snake ?
Glass snake
Coral snake
Rat snake
Blind snake