Male frogs can croak louder than females becuase of being
larger in size
stronger
larger sound box
vocal sac
Correct Answer :
D. vocal sac
Related Questions
Fire bellied toad is
Salamandar
Discoglossus
Necturus
Amphiuma
The fist tetrapods evolved from
Elasmobranch ancestors
Amphioxis like ancestors
Crosspterygian ancestors
None of these
The male is smaller and lacks vocal sacs in
Alytes - midwife toad
Hyla - tree frog
Necturus - mud puppy
Bufo - common toad
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
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
Paired fins are lacking in
Ichthyophis
Sharks
Rays
Cuttlefish
Which of the following has adhesive pad on its fingers and toes ?
Hyla
Necturus
Rhacophorus
Ophisaurus
Centrum, pre- and post-zygapophsis, transverse process are parts of
skull of frog
vertebrae of frog
sternum of frog
pelvis of frog
Both pairs of limbs are equal in size in
toads
frogs
salamanders
lizards
A limbless amphibian is
Cryptobranchus - hell blender
Necturus - mud puppy
Uraeotyphlus - blind worm
Alytes - midwife toad
Tailed amphibians are included in the order
Anura
Apoda
Gymnophiona
Urodela
Which of the amphibian has poison gland in the skin ?
Ram tigrina
Hyla
Rhacophorus
Amphiuma
Urodale amphibians lack one of these :
Gill slits in adults
Long vertebral column
Tail in adults
Teeth in both the jaws
Cycloid embedded scales are found in
Uraeotyphlus
Triturus
Siren
Amphiuma
Water dog is
Necturus
Pipa
Amblyostoma
Cryptobranchus
The smallest number of vertebrae in its vertebral column is possessed by
Sparrow
Hyla
Mouse
Bufo
The main difference between Gymnophiona (Apoda) and Urodela is that urodela
have two auricles and one ventricle
have smooth moist skin
have a cloaca
respire by lungs in adult stage
When compared to the frog, the toad is
more terrestrial
more aquatic
more aerial
none of these
Which of the following is a false statement for the members of the order Apoda?
They have middle ear apparatus
They show parental cafe
They lose tail and gills during metamorphosis
All of these
Largest Amphibian is
Cryptobranchus - hell bender
Necturus - mud puppy
Amphiuma - congo cell
Rhacophorous - flying frog
Which of these lives in water permanently?
Frogs
Salamander
Ichthyophis
Necturus
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
Which of the following parts is shortest in the alimentary canal of frog ?
Oesophagus
Rectum
Duodenum
Intestine
Erythrocytes of frog are
nucleated and round
enucleated and oval
enucleated and round
nucleated and oval
Frog and toad belong to the order
Anura
Apoda
Urodela
Caudata
Claws are absent in
lizards
rabbits
salmanders
crocodiles
The adult amphibians possess
pronephric kidney
mesonephric kidney
metanephric kidney
both (a) and (b) ,
In which of these, the larva closely resembles the adult ?
Frog
Necturus
Toad
Hyla
The toad skin is
dry
scaly
moist
both (a) and (c)