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4

The epidermis in skin of adult frog has

A. thick and cornified epithelium

B. poorly cornified stratified squamous epithelium

C. a simple columnar epithelium

D. small microscopic scales in it

Correct Answer :

B. poorly cornified stratified squamous epithelium


Related Questions

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Paired fins are lacking in

A. Ichthyophis

B. Sharks

C. Rays

D. Cuttlefish

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Nostrils are not connected with mouth cavity in

A. frogs

B. fishes

C. lizards

D. pigeons

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External gills persist all through the life of

A. Salmander

B. Cryptobranchus

C. Necturus

D. Bufo

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Huxley grouped fishes and amphibians under

A. Ichthyopsida

B. Ichthyopsaurus

C. Ichthyodactyla

D. Pterodactyla

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Equal sized feeble limbs are seen in

A. Hyla

B. Bufo

C. Necturus

D. Ophisaurus

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Erythrocytes of frog are

A. nucleated and round

B. enucleated and oval

C. enucleated and round

D. nucleated and oval

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The scientific name of a snake like amphibian is

A. Hyla

B. Uraeotyphlus

C. Ophisaurus

D. Discoglossus

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4

The toad skin is

A. dry

B. scaly

C. moist

D. both (a) and (c)

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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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Male frogs can croak louder than females becuase of being

A. larger in size

B. stronger

C. larger sound box

D. vocal sac

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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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The flying frog is

A. Hyla

B. Bufo

C. Rhacophorus

D. Rana

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Fire bellied toad is

A. Salamandar

B. Discoglossus

C. Necturus

D. Amphiuma

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Which of the amphibian has poison gland in the skin ?

A. Ram tigrina

B. Hyla

C. Rhacophorus

D. Amphiuma

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Water dog is

A. Necturus

B. Pipa

C. Amblyostoma

D. Cryptobranchus

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Which one of the following amphibians has no tongue ?

A. Amphiuma

B. Ichthyophis

C. Salamander

D. Necturus

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

A. Hyla

B. Necturus

C. Rhacophorus

D. Ophisaurus

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Tailed amphibians are included in the order

A. Anura

B. Apoda

C. Gymnophiona

D. Urodela

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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

Which of these lives in water permanently?

A. Frogs

B. Salamander

C. Ichthyophis

D. Necturus

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Both pairs of limbs are equal in size in

A. toads

B. frogs

C. salamanders

D. lizards

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A limbless amphibian is

A. Cryptobranchus - hell blender

B. Necturus - mud puppy

C. Uraeotyphlus - blind worm

D. Alytes - midwife toad

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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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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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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 adult amphibians possess

A. pronephric kidney

B. mesonephric kidney

C. metanephric kidney

D. both (a) and (b) ,

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Cycloid embedded scales are found in

A. Uraeotyphlus

B. Triturus

C. Siren

D. Amphiuma

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Hepatic portal system of frog is a part of its

A. blood circulation in the body.

B. venous system

C. arterial system

D. all of these

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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

Tailless amphibians are included in order

A. Apoda

B. Caudata

C. Anura

D. Cyclostomata