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Question : 56
Total: 180
Which of the following represents the correct combination without anyexception ?
| Characteristics | 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 | 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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