Choose the correct statement.
1. All mammals are viviparous
2. All cyclostomes do not possess jaws and paired fins
3. All reptiles have a three-chambered heart
4. All pisces have gills covered by an operculum
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyA jawless fish, which lays eggs in freshwater and whose ammocoetes larvae after metamorphosis return to the ocean is
1. | Eptratretus | 2. | Myxine |
3. | Neomyxine | 4. | Petromyzon |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & Biology