- 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: General Introduction: Vertebrates & Agnatha | Class Cyclostomata |
88%
Level 1: 80%+
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Identify the incorrectly matched pair:
| 1. | Echinodermata | Water vascular system |
| 2. | Hemichordata | Stomochord |
| 3. | Cyclostomata | Cartilaginous jaw |
| 4. | Cephalochordata | Notochord persistent throughout life |
Subtopic: General Introduction: Vertebrates & Agnatha | Class Cyclostomata |
83%
Level 1: 80%+
Please attempt this question first.
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Please attempt this question first.
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: General Introduction: Vertebrates & Agnatha | Class Cyclostomata |
78%
Level 2: 60%+
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- 1(current)
Q. No.
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