The croking of frog serves to
ward off their enemies
attract the opposite sex
identify the same species
collect the young ones
Correct Answer :
B. attract the opposite sex
Related Questions
Tailless amphibians are included in order
Apoda
Caudata
Anura
Cyclostomata
Male frogs can croak louder than females becuase of being
larger in size
stronger
larger sound box
vocal sac
Hepatic portal system of frog is a part of its
blood circulation in the body.
venous system
arterial system
all of these
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
Water dog is
Necturus
Pipa
Amblyostoma
Cryptobranchus
Largest Amphibian is
Cryptobranchus - hell bender
Necturus - mud puppy
Amphiuma - congo cell
Rhacophorous - flying frog
Both pairs of limbs are equal in size in
toads
frogs
salamanders
lizards
Which of the following is false regarding amphibian reproduction ?
Oviparous
Eggs non-mosaic
fertilisation external
Cleavage-meroblastic
Huxley grouped fishes and amphibians under
Ichthyopsida
Ichthyopsaurus
Ichthyodactyla
Pterodactyla
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
The adult amphibians possess
pronephric kidney
mesonephric kidney
metanephric kidney
both (a) and (b) ,
The smallest number of vertebrae in its vertebral column is possessed by
Sparrow
Hyla
Mouse
Bufo
Fire bellied toad is
Salamandar
Discoglossus
Necturus
Amphiuma
Frog and toad belong to the order
Anura
Apoda
Urodela
Caudata
Nostrils are not connected with mouth cavity in
frogs
fishes
lizards
pigeons
Claws are absent in
lizards
rabbits
salmanders
crocodiles
Which one of the following amphibians has no tongue ?
Amphiuma
Ichthyophis
Salamander
Necturus
The toad skin is
dry
scaly
moist
both (a) and (c)
Lateral line system found in fishes has been lost in Amphibia becuase of
development of sturdy eggs
change over to herbivorous feeding
occurence of metamoophosis on amphibia
evolution of terrestrial habit
Which of these lives in water permanently?
Frogs
Salamander
Ichthyophis
Necturus
Cycloid embedded scales are found in
Uraeotyphlus
Triturus
Siren
Amphiuma
The fist tetrapods evolved from
Elasmobranch ancestors
Amphioxis like ancestors
Crosspterygian ancestors
None of these
External gills persist all through the life of
Salmander
Cryptobranchus
Necturus
Bufo
The croking of frog serves to
ward off their enemies
attract the opposite sex
identify the same species
collect the young ones
In which of these, the larva closely resembles the adult ?
Frog
Necturus
Toad
Hyla
Urodale amphibians lack one of these :
Gill slits in adults
Long vertebral column
Tail in adults
Teeth in both the jaws
Erythrocytes of frog are
nucleated and round
enucleated and oval
enucleated and round
nucleated and oval
The bones of the frogs's hindlinbs are part of the
axial skeleton
appendicular skeleton
exoskeleton
visceral skeleton
The male is smaller and lacks vocal sacs in
Alytes - midwife toad
Hyla - tree frog
Necturus - mud puppy
Bufo - common toad
When compared to the frog, the toad is
more terrestrial
more aquatic
more aerial
none of these