Which of the following represents the correct combination without… - Vidyadip

MCQ

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

Characteristics - Class

✓
Mouth ventral, gills without operculum, skin with placoidscales, persistent notochord - Chondrichthyes
B
Sucking and circular mouth, jaws absent, integument without scales paired appendages - Cyclostomata
C
Body covered with feathers, skin moist and glandular, forelimbs form wing lungs with air sacs - Aves
D
Mammary gland, hair on body; pinnae; two pairs of Limbs - Mammalia

✓

Answer

Correct option: A.

Mouth ventral, gills without operculum, skin with placoidscales, persistent notochord - Chondrichthyes

a

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