alleryA bony skeleton, operculum-covered gills and an air bladder indicate:
AOsteichthyes
BChondrichthyes
CCyclostomata
DReptilia
Answer & Solution
Correct answer: A. Osteichthyes
Osteichthyes have a bony endoskeleton, four pairs of gills covered by opercula, cycloid/ctenoid scales and an air bladder regulating buoyancy. Their mouth is usually terminal and heart has two chambers.
Keep practising Neet B01
Browse all Neet B01 questions for NEET UG, or explore more Biology topics.
Related questions
Which pair consists of mammals despite unusual reproduction or locomotion?Mammary glands, body hair and different types of teeth identify:Which pair consists of birds despite their inability to fly?Feathers, pneumatic bones and forelimbs modified into wings indicate:Which pair belongs to Reptilia?Dry cornified skin, epidermal scales and internal fertilisation characterise:Which pair consists of amphibians?Moist scaleless skin, a three-chambered heart and respiration through skin fit: