In poisonous snakes, the poison injecting teeth or fangs develop on
mandibles
maxilla
squamosal
quadrate
Correct Answer :
B. maxilla
Related Questions
Which of the following reptiles have the shortest tail ?
Garden lizard
Cobra
Chameleon
Python
In the classifcation by Huxley, reptiles and birds were grouped under
Diapsida
Sauropsida
Ichthyopsida
Synapsida
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)
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
Glass snake is a
true snake
lizard
protochordate
pseudosnake
Greatly elongated snout is seen in
garial
alligator
crocodile
both (b) and (c)
Special articular surfaces on the vertebrae of snakes are
pre- and post-zygapophysis
zygantera and zygosphenes
neural arches and haemal arches
none of these
Toothless reptile is
snake
chelone
sea snake
lizard
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
The venom of viper effects
respiratory system
circulatory system
digestive system
nervous system
A third eye is present in the forehead of
Vipers
Cobra
Lizard
Sphenodon
The snakes belong to the group
Chelonia
Ophidia
Lacertilia
Rhyncocephalia
The reptile which has a fourchambered heart is
king cobra
crocodile
sphenodon
lizard
Moulting or shedding of skin in snakes is done by
dermis
epidermis
cornified cells
stratum germinativum
A urinary bladder is absent in
Chameleon
House lizard
Snake
Crocodile
Vertebrae of reptiles are
Amphicoelous
Procoelous
Platycoelous
Gastrocoelous
A snake lacks middle ear, but perceives sound through
air
snout
skin
tongue
The poison glands of a poisonous snake are modifed
buccal glands
salivary glands
palatine glands
lacrimal glands
The venom of cobra effects
nervous system
respiratory system
digestive system
excretory system
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 group of reptiles similar to sphenodon is
turtles and tortoises
alligators
snakes
lizards
Proteolysin is present in the venom of
cobra
krait
viper
sea snake
A snake has
movable eyelids
immovable eyelids
noeyeslids
only nictitating membrane
A viviparous lizard is
Mabuya
Chameleon
Hemidactylus
None of these
Gap of the mouth is very wide in
Wall lizard
Vipers
Flying lizard
Garden lizard
Pleurodont dentition is characteristic of
fishes and amphibians
all the reptiles
lizards and snakes
egg laying mammals
A parietal eye is found in
coral snake
sea snake
sphenodon
garden lizard
Which one of these is a fossil ?
Hetttidaclylus
Chameleon
Draco
Sphenodon
Which one of these is a sea snake?
Eryx johnii
Naja naja
Enhydrina
Bungarus
Copulatory organs are absent in
Lizards
Sphenodon
Snakes
Crabs