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4

External gills persist all through the life of

A. Salmander

B. Cryptobranchus

C. Necturus

D. Bufo

Correct Answer :

C. Necturus


Related Questions

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4

Largest Amphibian is

A. Cryptobranchus - hell bender

B. Necturus - mud puppy

C. Amphiuma - congo cell

D. Rhacophorous - flying frog

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4

Which of the following has adhesive pad on its fingers and toes ?

A. Hyla

B. Necturus

C. Rhacophorus

D. Ophisaurus

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4

The fist tetrapods evolved from

A. Elasmobranch ancestors

B. Amphioxis like ancestors

C. Crosspterygian ancestors

D. None of these

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4

Both pairs of limbs are equal in size in

A. toads

B. frogs

C. salamanders

D. lizards

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4

A frog lives in water or near water becuase

A. it can get its food easily in water

B. its hindlimbs are webbed and help in swimming

C. it respires through skin

D. it can see through its transparent eye lids while swimming

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4

Erythrocytes of frog are

A. nucleated and round

B. enucleated and oval

C. enucleated and round

D. nucleated and oval

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4

The scientific name of a snake like amphibian is

A. Hyla

B. Uraeotyphlus

C. Ophisaurus

D. Discoglossus

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4

Tailed amphibians are included in the order

A. Anura

B. Apoda

C. Gymnophiona

D. Urodela

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4

Centrum, pre- and post-zygapophsis, transverse process are parts of

A. skull of frog

B. vertebrae of frog

C. sternum of frog

D. pelvis of frog

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4

Claws are absent in

A. lizards

B. rabbits

C. salmanders

D. crocodiles

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4

Which of these lives in water permanently?

A. Frogs

B. Salamander

C. Ichthyophis

D. Necturus

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4

When compared to the frog, the toad is

A. more terrestrial

B. more aquatic

C. more aerial

D. none of these

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4

The skull of frog has

A. single occipital condyle and 10 pairs of cranial nerves

B. single occipital condyle and 12 pairs of cranial nerves

C. two occipital condyles and 10 pairs of cranial nerves

D. two occipital condyles and 12 pairs of cranial nerves

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4

Which of the following parts is shortest in the alimentary canal of frog ?

A. Oesophagus

B. Rectum

C. Duodenum

D. Intestine

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4

Huxley grouped fishes and amphibians under

A. Ichthyopsida

B. Ichthyopsaurus

C. Ichthyodactyla

D. Pterodactyla

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4

Lateral line system found in fishes has been lost in Amphibia becuase of

A. development of sturdy eggs

B. change over to herbivorous feeding

C. occurence of metamoophosis on amphibia

D. evolution of terrestrial habit

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4

In which of these, the larva closely resembles the adult ?

A. Frog

B. Necturus

C. Toad

D. Hyla

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4

If the mouth of a frog is kept open for some time, it dies because it is unable to

A. feed

B. breathe

C. drink water

D. none of these

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4

In frog, the fore- and hindlimbs are derived from

A. a single body segment each

B. a multiple number of body segments each

C. a single and from multiple segments respectively

D. none of these

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4

The bones of the frogs's hindlinbs are part of the

A. axial skeleton

B. appendicular skeleton

C. exoskeleton

D. visceral skeleton

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4

The male is smaller and lacks vocal sacs in

A. Alytes - midwife toad

B. Hyla - tree frog

C. Necturus - mud puppy

D. Bufo - common toad

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4

The main difference between Gymnophiona (Apoda) and Urodela is that urodela

A. have two auricles and one ventricle

B. have smooth moist skin

C. have a cloaca

D. respire by lungs in adult stage

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4

Fire bellied toad is

A. Salamandar

B. Discoglossus

C. Necturus

D. Amphiuma

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4

Which of the amphibian has poison gland in the skin ?

A. Ram tigrina

B. Hyla

C. Rhacophorus

D. Amphiuma

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4

Tailless amphibians are included in order

A. Apoda

B. Caudata

C. Anura

D. Cyclostomata

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4

Parts of middle ear of frog are

A. tympanic membrane and tympanic cavity

B. middle ear ossicle

C. eustachian tube

D. all of these

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4

Persistence of larval condition is known as

A. neoteny

B. paedogensis

C. paedomorphosis

D. none of these

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4

The flying frog is

A. Hyla

B. Bufo

C. Rhacophorus

D. Rana

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4

The adult amphibians possess

A. pronephric kidney

B. mesonephric kidney

C. metanephric kidney

D. both (a) and (b) ,

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4

Which of the following is false regarding amphibian reproduction ?

A. Oviparous

B. Eggs non-mosaic

C. fertilisation external

D. Cleavage-meroblastic