- 1(current)
Q. No.Identify the incorrectly matched pair:
| 1. | Echinodermata | Water vascular system |
| 2. | Hemichordata | Stomochord |
| 3. | Cyclostomata | Cartilaginous jaw |
| 4. | Cephalochordata | Notochord persistent throughout life |
Subtopic: Â General Introduction: Vertebrates & Agnatha |Â Class Cyclostomata |
 82%
Level 1: 80%+
Please attempt this question first.
Hints
Please attempt this question first.
Choose the correct match:
| 1. | Branchostoma : Notochord persist through out the life |
| 2. | Ascidia : Notochord present in larva and disappears in adult |
| 3. | Doliolum : Notochord present in the larval tail only |
| 4. | More than one option is correct |
Subtopic: Â Phylum Hemichordata |Â General Introduction: Vertebrates & Agnatha |Â Class Cyclostomata |
 82%
Level 1: 80%+
Hints
Lampreys:
| 1. | May or may not possess jaw |
| 2. | Is included in the division Agnatha where notochord is present only in the early stages |
| 3. | Possess an elongated body with gill slits for respiration |
| 4. | Are devoid of scales and possess paired fins |
Subtopic: Â General Introduction: Vertebrates & Agnatha |Â Class Cyclostomata |
 51%
Level 3: 35%-60%
Hints
- 1(current)
Q. No.
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