51.  ......... open into a common chamber called cloaca

A. Alimentary canal

B. reproductive tract

C. urinary

D. all of these

Answer : Option D

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52.  Choose the correct combination of the given option

A. Rana - Frog

B. Ichthyophis - Toad

C. Hyla - Salamander

D. salamander - toad

Answer : Option A

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53.  Which type of Respiratory is/are found in amphibians

A. gills

B. lungs

C. skin

D. all of the obove

Answer : Option D

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54.  Dry skin with scales or scutes without gland is a characteristic of

A. Aves

B. pisces

C. Reptilia

D. mammals

Answer : Option C

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55.  A four chambered heart is not found in

A. mammals

B. crocodile

C. birds

D. snake

Answer : Option D

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56.  They do not have external ________ opening in reptilla

A. Nose

B. Jaws

C. Ear

D. scale

Answer : Option C

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57.  Which animals of the following reptile is poisonous ?

A. Turtle

B. Tree lizard

C. Crocodile

D. krait

Answer : Option D

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58.  Choose the correct combination of the given option ?

A. calotes - garden lizard

B. chameleon - krait

C. Naja - viper

D. crocodilus - tortoise

Answer : Option A

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59.  Which of the following is a fightless bird ?

A. pigeon

B. vulture

C. parrot

D. ostrich

Answer : Option D

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60.  The hind limb generally have ......... in Aves

A. nail

B. scales

C. wing

D. joint skin

Answer : Option B

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