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
Correct Answer :
B. breathe
Related Questions
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
Persistence of larval condition is known as
neoteny
paedogensis
paedomorphosis
none of these
Paired fins are lacking in
Ichthyophis
Sharks
Rays
Cuttlefish
Fire bellied toad is
Salamandar
Discoglossus
Necturus
Amphiuma
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
Hepatic portal system of frog is a part of its
blood circulation in the body.
venous system
arterial system
all of these
External gills persist all through the life of
Salmander
Cryptobranchus
Necturus
Bufo
Largest Amphibian is
Cryptobranchus - hell bender
Necturus - mud puppy
Amphiuma - congo cell
Rhacophorous - flying frog
Which of the following parts is shortest in the alimentary canal of frog ?
Oesophagus
Rectum
Duodenum
Intestine
Claws are absent in
lizards
rabbits
salmanders
crocodiles
The smallest number of vertebrae in its vertebral column is possessed by
Sparrow
Hyla
Mouse
Bufo
Cycloid embedded scales are found in
Uraeotyphlus
Triturus
Siren
Amphiuma
The bones of the frogs's hindlinbs are part of the
axial skeleton
appendicular skeleton
exoskeleton
visceral skeleton
The croking of frog serves to
ward off their enemies
attract the opposite sex
identify the same species
collect the young ones
Erythrocytes of frog are
nucleated and round
enucleated and oval
enucleated and round
nucleated and oval
The scientific name of a snake like amphibian is
Hyla
Uraeotyphlus
Ophisaurus
Discoglossus
When compared to the frog, the toad is
more terrestrial
more aquatic
more aerial
none of these
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
Tailed amphibians are included in the order
Anura
Apoda
Gymnophiona
Urodela
Which of the following has adhesive pad on its fingers and toes ?
Hyla
Necturus
Rhacophorus
Ophisaurus
Male frogs can croak louder than females becuase of being
larger in size
stronger
larger sound box
vocal sac
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
A limbless amphibian is
Cryptobranchus - hell blender
Necturus - mud puppy
Uraeotyphlus - blind worm
Alytes - midwife toad
The epidermis in skin of adult frog has
thick and cornified epithelium
poorly cornified stratified squamous epithelium
a simple columnar epithelium
small microscopic scales in it
Urodale amphibians lack one of these :
Gill slits in adults
Long vertebral column
Tail in adults
Teeth in both the jaws
Tailless amphibians are included in order
Apoda
Caudata
Anura
Cyclostomata
The flying frog is
Hyla
Bufo
Rhacophorus
Rana
Which of the following is false regarding amphibian reproduction ?
Oviparous
Eggs non-mosaic
fertilisation external
Cleavage-meroblastic
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
The adult amphibians possess
pronephric kidney
mesonephric kidney
metanephric kidney
both (a) and (b) ,