- 1(current)
Q. No.The phylum with exclusively marine animals is:
| 1. | Porifera | 2. | Cnidaria |
| 3. | Ctenophora | 4. | Platyhelminthes |
Subtopic: Phylum Ctenophora |
73%
Level 2: 60%+
Hints
How many of the given statements are correct regarding Ctenophores?
1. 1
2. 2
3. 3
4. 4
| I: | commonly known as sea walnuts or comb jellies |
| II: | exclusively marine |
| III: | body bears eight external rows of ciliated comb plates |
| IV: | bioluminescence (the property of a living organism to emit light) is well-marked |
2. 2
3. 3
4. 4
Subtopic: Phylum Ctenophora |
94%
Level 1: 80%+
Please attempt this question first.
Hints
Please attempt this question first.
Which animals are diploblastic and show radial symmetry but lack cnidoblasts?
1. Cnidarians
2. Ctenophores
3. Echinoderms
4. Hemichordates
1. Cnidarians
2. Ctenophores
3. Echinoderms
4. Hemichordates
Subtopic: Phylum Ctenophora |
87%
Level 1: 80%+
Please attempt this question first.
Hints
Please attempt this question first.
Ctenophores:
| I: | are commonly known as sea walnuts or comb jellies |
| II: | are exclusively marine, radially symmetrical, diploblastic organisms with tissue level of organisation |
| III: | use cilia for locomotion |
| IV: | reproduce only by sexual means |
| 1. | Only I, II and III are correct |
| 2. | Only I, III and IV are correct |
| 3. | Only II, III and IV are correct |
| 4. | I, II, III and IV are correct |
Subtopic: Phylum Ctenophora |
78%
Level 2: 60%+
Please attempt this question first.
Hints
Please attempt this question first.
Subtopic: Phylum Ctenophora |
94%
Level 1: 80%+
Please attempt this question first.
Hints
Please attempt this question first.
Triploblastic organization, bilateral symmetry but lack of coelom will be seen in:
| 1. | Planaria | 2. | Pheretima |
| 3. | Periplaneta | 4. | Pinctada |
Subtopic: Phylum Ctenophora |
86%
Level 1: 80%+
Hints
- 1(current)
Q. No.
© 2026 GoodEd Technologies Pvt. Ltd.