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
Correct Answer :
A. Their body is covered with dry, horny, mesodermal scales
Related Questions
A snake lacks middle ear, but perceives sound through
air
snout
skin
tongue
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
Greatly elongated snout is seen in
garial
alligator
crocodile
both (b) and (c)
In the classifcation by Huxley, reptiles and birds were grouped under
Diapsida
Sauropsida
Ichthyopsida
Synapsida
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
Pleurodont dentition is characteristic of
fishes and amphibians
all the reptiles
lizards and snakes
egg laying mammals
A limbless lizard is
Ophiothrix
Heloderma
Ophiosaurus
Both (a) and (b)
A viviparous lizard is
Mabuya
Chameleon
Hemidactylus
None of these
Fresh water chelones are called
terrapins
turtles
tortoises
none of these
In poisonous snakes, the poison injecting teeth or fangs develop on
mandibles
maxilla
squamosal
quadrate
Copulatory organs are absent in
Lizards
Sphenodon
Snakes
Crabs
Which one of these is a sea snake?
Eryx johnii
Naja naja
Enhydrina
Bungarus
A snake has
movable eyelids
immovable eyelids
noeyeslids
only nictitating membrane
Which is not a true snake ?
Glass snake
Coral snake
Rat snake
Blind snake
Crocodiles have
acrodont and homodont dentition
homodont and thecodont dentition
heterodont and thecodont dentition
heterodont and acrodont dentition
Which one of these is a fossil ?
Hetttidaclylus
Chameleon
Draco
Sphenodon
The long and powerful tail of crocodiles is
dorsoventraly flattened
compressed from side to side
cylindrical and tapering
all of these
The study of lizard is known as
Herpetology
Saurology
Nidology
None of these
Toothless reptile is
snake
chelone
sea snake
lizard
The snakes belong to the group
Chelonia
Ophidia
Lacertilia
Rhyncocephalia
Which of the following reptiles have the shortest tail ?
Garden lizard
Cobra
Chameleon
Python
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
Typhlop is
glass snake
blind snake
tree snake
sea snake
Cobra can be distinguished by the presence of
agile habit
hood
black colour
hood and III large supralabials
The venom of viper effects
respiratory system
circulatory system
digestive system
nervous system
The venom of cobra effects
nervous system
respiratory system
digestive system
excretory system
The largest lizard is
Heloderma
Chameleon
Ophiosaurus
Varanus
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
A third eye is present in the forehead of
Vipers
Cobra
Lizard
Sphenodon
The number of cranial nerves in a reptile is
8 pairs
10 pairs
12 pairs
20 paris