A)
Characteristic Class Mammary gland; hair on body; pinnae; two pairs of limbs Mammalia,
B)
Characteristic Class Mouth ventral; gills without operculum; skin with placoid scales; persistent notochord Chondrichthyes
C)
Characteristic Class Sucking and circular mouth; jaws absent integument without scales; paired appendages Cyclostomata
D)
Characteristic Class Body covered with feathers; skin moist and glandular; lungs with air sacs fore limbs from wings; Aves
Correct Answer: C
Solution :
Cyclostomata bears sucking and circular mouth with no jaws integument without scales and gills (5-16) are present as paired appendages in lateral sac-like pouches of pharynx. Persistent notochord is a feature of Cyclostomata in not Chondrichthyes. Mammals lack pinnae and in over the skin is dry and skin glands are absent except the oil glands.You need to login to perform this action.
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