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
Correct Answer :
A. Lizards have two pairs of pentadactyl limbs
Related Questions
The poison glands of a poisonous snake are modifed
buccal glands
salivary glands
palatine glands
lacrimal glands
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 only poisonous lizard of the world is
Varanus-monitor lizard
Heloderma-g\l& monster
Ophiosaurus-glass snake
Chameleon-coloured lizard
Which is not a true snake ?
Glass snake
Coral snake
Rat snake
Blind snake
Vertebrae of reptiles are
Amphicoelous
Procoelous
Platycoelous
Gastrocoelous
In the classifcation by Huxley, reptiles and birds were grouped under
Diapsida
Sauropsida
Ichthyopsida
Synapsida
The long and powerful tail of crocodiles is
dorsoventraly flattened
compressed from side to side
cylindrical and tapering
all of these
The reptile which has a fourchambered heart is
king cobra
crocodile
sphenodon
lizard
Cobra can be distinguished by the presence of
agile habit
hood
black colour
hood and III large supralabials
Special articular surfaces on the vertebrae of snakes are
pre- and post-zygapophysis
zygantera and zygosphenes
neural arches and haemal arches
none of these
Copulatory organs are absent in
Lizards
Sphenodon
Snakes
Crabs
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
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)
The study of lizard is known as
Herpetology
Saurology
Nidology
None of these
Crocodiles have
acrodont and homodont dentition
homodont and thecodont dentition
heterodont and thecodont dentition
heterodont and acrodont dentition
A third eye is present in the forehead of
Vipers
Cobra
Lizard
Sphenodon
The group of reptiles similar to sphenodon is
turtles and tortoises
alligators
snakes
lizards
Greatly elongated snout is seen in
garial
alligator
crocodile
both (b) and (c)
Toothless reptile is
snake
chelone
sea snake
lizard
Proteolysin is present in the venom of
cobra
krait
viper
sea snake
A snake has small scales on its belly, the tail being compressed laterally, it is a
krait
viper
sea snake
rat 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
The largest lizard is
Heloderma
Chameleon
Ophiosaurus
Varanus
The locomotion of snake is helped by
ribs and reduced limbs
ribs only
reduced limbs
reduced ribs
A limbless lizard is
Ophiothrix
Heloderma
Ophiosaurus
Both (a) and (b)
Which of the following reptiles have the shortest tail ?
Garden lizard
Cobra
Chameleon
Python
A snake has
movable eyelids
immovable eyelids
noeyeslids
only nictitating membrane
A viviparous lizard is
Mabuya
Chameleon
Hemidactylus
None of these