Pleurodont dentition is characteristic of
fishes and amphibians
all the reptiles
lizards and snakes
egg laying mammals
Correct Answer :
C. lizards and snakes
Related Questions
Which of these is false ?
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
Special articular surfaces on the vertebrae of snakes are
pre- and post-zygapophysis
zygantera and zygosphenes
neural arches and haemal arches
none of these
The venom of cobra effects
nervous system
respiratory system
digestive system
excretory system
Which is not a true snake ?
Glass snake
Coral snake
Rat snake
Blind snake
Toothless reptile is
snake
chelone
sea snake
lizard
A snake has small scales on its belly, the tail being compressed laterally, it is a
krait
viper
sea snake
rat snake
The number of cranial nerves in a reptile is
8 pairs
10 pairs
12 pairs
20 paris
The group of reptiles similar to sphenodon is
turtles and tortoises
alligators
snakes
lizards
Which one of these is a fossil ?
Hetttidaclylus
Chameleon
Draco
Sphenodon
Fresh water chelones are called
terrapins
turtles
tortoises
none of these
Which is not true of reptiles ?
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
The long and powerful tail of crocodiles is
dorsoventraly flattened
compressed from side to side
cylindrical and tapering
all of these
The locomotion of snake is helped by
ribs and reduced limbs
ribs only
reduced limbs
reduced ribs
All reptiles are
Poikilothermic and Amniotic
Homiothermic and Amniotic
Poikilothermic and Anamniotic
Homiothermic and Anamniotic
Copulatory organs are absent in
Lizards
Sphenodon
Snakes
Crabs
Pleurodont dentition is characteristic of
fishes and amphibians
all the reptiles
lizards and snakes
egg laying mammals
Moulting or shedding of skin in snakes is done by
dermis
epidermis
cornified cells
stratum germinativum
In the classifcation by Huxley, reptiles and birds were grouped under
Diapsida
Sauropsida
Ichthyopsida
Synapsida
Typhlop is
glass snake
blind snake
tree snake
sea snake
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 belly scales on the body of a snake are broad and the third supralabial scale touches the eye and the nasal shield, it is a
viper
krait
sea snake
cobra
A limbless lizard is
Ophiothrix
Heloderma
Ophiosaurus
Both (a) and (b)
A well developed secondary palate is found in
garden lizard
crocodiles
cobras
vipers
The poison glands of a poisonous snake are modifed
buccal glands
salivary glands
palatine glands
lacrimal glands
Vertebrae of reptiles are
Amphicoelous
Procoelous
Platycoelous
Gastrocoelous
A third eye is present in the forehead of
Vipers
Cobra
Lizard
Sphenodon
A viviparous lizard is
Mabuya
Chameleon
Hemidactylus
None of these
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
A urinary bladder is absent in
Chameleon
House lizard
Snake
Crocodile
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