The skull of frog has
single occipital condyle and 10 pairs of cranial nerves
single occipital condyle and 12 pairs of cranial nerves
two occipital condyles and 10 pairs of cranial nerves
two occipital condyles and 12 pairs of cranial nerves
Correct Answer :
C. two occipital condyles and 10 pairs of cranial nerves
Related Questions
The fist tetrapods evolved from
Elasmobranch ancestors
Amphioxis like ancestors
Crosspterygian ancestors
None of these
Urodale amphibians lack one of these :
Gill slits in adults
Long vertebral column
Tail in adults
Teeth in both the jaws
Which one of the following amphibians has no tongue ?
Amphiuma
Ichthyophis
Salamander
Necturus
Both pairs of limbs are equal in size in
toads
frogs
salamanders
lizards
Equal sized feeble limbs are seen in
Hyla
Bufo
Necturus
Ophisaurus
Persistence of larval condition is known as
neoteny
paedogensis
paedomorphosis
none of these
The bones of the frogs's hindlinbs are part of the
axial skeleton
appendicular skeleton
exoskeleton
visceral skeleton
Centrum, pre- and post-zygapophsis, transverse process are parts of
skull of frog
vertebrae of frog
sternum of frog
pelvis of frog
If the mouth of a frog is kept open for some time, it dies because it is unable to
feed
breathe
drink water
none of these
Cycloid embedded scales are found in
Uraeotyphlus
Triturus
Siren
Amphiuma
The smallest number of vertebrae in its vertebral column is possessed by
Sparrow
Hyla
Mouse
Bufo
Which of the following is false regarding amphibian reproduction ?
Oviparous
Eggs non-mosaic
fertilisation external
Cleavage-meroblastic
In which of these, the larva closely resembles the adult ?
Frog
Necturus
Toad
Hyla
Largest Amphibian is
Cryptobranchus - hell bender
Necturus - mud puppy
Amphiuma - congo cell
Rhacophorous - flying frog
The adult amphibians possess
pronephric kidney
mesonephric kidney
metanephric kidney
both (a) and (b) ,
Parts of middle ear of frog are
tympanic membrane and tympanic cavity
middle ear ossicle
eustachian tube
all of these
Hepatic portal system of frog is a part of its
blood circulation in the body.
venous system
arterial system
all of these
Water dog is
Necturus
Pipa
Amblyostoma
Cryptobranchus
Which of the amphibian has poison gland in the skin ?
Ram tigrina
Hyla
Rhacophorus
Amphiuma
Which of these lives in water permanently?
Frogs
Salamander
Ichthyophis
Necturus
Frog and toad belong to the order
Anura
Apoda
Urodela
Caudata
In frog, the fore- and hindlimbs are derived from
a single body segment each
a multiple number of body segments each
a single and from multiple segments respectively
none of these
Tailed amphibians are included in the order
Anura
Apoda
Gymnophiona
Urodela
Tailless amphibians are included in order
Apoda
Caudata
Anura
Cyclostomata
The flying frog is
Hyla
Bufo
Rhacophorus
Rana
External gills persist all through the life of
Salmander
Cryptobranchus
Necturus
Bufo
A frog lives in water or near water becuase
it can get its food easily in water
its hindlimbs are webbed and help in swimming
it respires through skin
it can see through its transparent eye lids while swimming
The toad skin is
dry
scaly
moist
both (a) and (c)
When compared to the frog, the toad is
more terrestrial
more aquatic
more aerial
none of these
A limbless amphibian is
Cryptobranchus - hell blender
Necturus - mud puppy
Uraeotyphlus - blind worm
Alytes - midwife toad