- 1(current)
Q. No.How many of the given statements are correct regarding cyclostomes?
1. 1
2. 2
3. 3
4. 4
| I: | All living members of the class Cyclostomata are ectoparasites on some fishes. |
| II: | Cyclostomes have a sucking and circular mouth without jaws. |
| III: | Circulation is of open type. |
| IV: | Their body is devoid of scales and paired fins. |
2. 2
3. 3
4. 4
Subtopic: Â General Introduction: Vertebrates & Agnatha |Â Class Cyclostomata |
 67%
Level 2: 60%+
Please attempt this question first.
Hints
Please attempt this question first.
The correct statements regarding cyclostomes will be:
| (a) | All living members of the class Cyclostomata are endoparasites in mammals. |
| (b) | Cyclostomes have a sucking and circular mouth without jaws. |
| (c) | Their body is devoid of scales and paired fins. |
| (d) | Cranium and vertebral column are bony. |
| 1. | Only (a) and (b) |
| 2. | Only (b) and (c) |
| 3. | Only (a) and (d) |
| 4. | Only (c) and (d) |
Subtopic: Â General Introduction: Vertebrates & Agnatha |Â Class Cyclostomata |
 89%
Level 1: 80%+
Please attempt this question first.
Hints
Please attempt this question first.
Which of the following animals belongs to the subphylum Vertebrata?
1. Doliolum
2. Branchistoma
3. Petromyzon
4. Salpa
1. Doliolum
2. Branchistoma
3. Petromyzon
4. Salpa
Subtopic: Â General Introduction: Vertebrates & Agnatha |Â Class Cyclostomata |
 76%
Level 2: 60%+
Please attempt this question first.
Hints
Please attempt this question first.
- 1(current)
Q. No.
© 2026 GoodEd Technologies Pvt. Ltd.