Which of the following represents the correct combination without any exception? Characteristic Class (1) Mouth terminal ; moist skin without scales ; two pairs of limbs ; eyes with eye lids Amphibia (2) Bony endoskeleton ; gills with operculum ; skin with cycloid scales ; internal fertilisation Osteichthyes (3) Body covered with cornified skin ; external ear openings absent ; three –chambered heart ; internal fertilisation Reptilia (4) Body covered with Feathers ; bony endoskeleton ; oviparous ; direct development Aves

NEET 2019 Model Question Paper 1

Question : 56 of 180

Marks: +1, -0

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

Characteristic	Class
(1) Mouth terminal ; moist skin without scales ; two pairs of limbs ; eyes with eye lids	Amphibia
(2) Bony endoskeleton ; gills with operculum ; skin with cycloid scales ; internal fertilisation	Osteichthyes
(3) Body covered with cornified skin ; external ear openings absent ; three –chambered heart ; internal fertilisation	Reptilia
(4) Body covered with Feathers ; bony endoskeleton ; oviparous ; direct development	Aves

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