Q.

Which of the following represents the correct combination without any exception ?

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a

Characteristic -Mammary gland; hair on body; pinnae; a pairs of limbs Class -Mammalia

b

Characteristic -Mouth ventral; gills without operculum. skin with placoid scales;persistent notochord, Class – Osteichthyes

c

Characteristic -  Body covered with feathers; skin moist and glandular lungs with air sacs; forelimbs for wings. Class-  Aves

d

Characteristic - Sucking and circular mouth; jaws absent integument without scales; paired appendages, Class- Cyclostomata

answer is C.

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Detailed Solution

Class Mammalia- 2 pairs of limbs Class- Chondricthyes ; Class –Aves – Skin dry

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