- 1(current)
Q. No.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
Subtopic: Â General Introduction: Vertebrates & Agnatha |Â Class Cyclostomata |
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A 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 |
Subtopic: Â General Introduction: Vertebrates & Agnatha |Â Class Cyclostomata |
 78%
From NCERT
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- 1(current)
Q. No.
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