- 1(current)
Q. No.Identify the incorrectly matched pair:
| 1. | Obelia | Metagenesis |
| 2. | Planaria | Free living with high regeneration capacity |
| 3. | Ancylostoma | Acoelomate |
| 4. | Nereis | Parapodia |
Subtopic: Â Phylum Coelenterata |Â Phylum Ctenophora |Â Phylum Aschelminthes |Â Phylum Annelida |
 85%
Level 1: 80%+
Please attempt this question first.
Hints
Please attempt this question first.
What is a critical difference between Cnidaria and Ctenophora?
| 1. | Cnidarians are diploblastic, ctenophores are triploblastic. |
| 2. | Cnidarians are bilaterally symmetrical, ctenophores are radially symmetrical. |
| 3. | Cnidarians have a gastrovascular cavity, ctenophores do not. |
| 4. | Cnidarians possess cnidocytes, while ctenophores do not. |
Subtopic: Â Phylum Coelenterata |Â Phylum Ctenophora |
 79%
Level 2: 60%+
Please attempt this question first.
Hints
Please attempt this question first.
The salient features of Ctenophora include:
| 1. | Radial symmetry and presence of a water vascular system |
| 2. | Bilateral symmetry and absence of nematocysts |
| 3. | Radial symmetry and bioluminescence |
| 4. | Bilateral symmetry and presence of a coelom |
Subtopic: Â Phylum Ctenophora |
 94%
Level 1: 80%+
Please attempt this question first.
Hints
Please attempt this question first.
Animals can be categorised on the basis of their symmetry. Which of the following statements are correct?
| I: | Sponges are mostly asymmetrical. |
| II: | Coelenterates, ctenophores and adult echinoderms have radial symmetry. |
| III: | Annelids and arthropods exhibit bilateral symmetry. |
| 1. | Only I and II |
| 2. | Only I and III |
| 3. | Only II and III |
| 4. | I, II and III |
Subtopic: Â Phylum Porifera |Â Phylum Coelenterata |Â Phylum Ctenophora |Â Phylum Annelida |Â Phylum Arthropoda |Â Basis of Classification |
 90%
Level 1: 80%+
Please attempt this question first.
Hints
Please attempt this question first.
Identify the incorrect statement:
| 1. | Mesoglea is present in between ectoderm and endoderm in Obelia. |
| 2. | Asterias exhibits radial symmetry as an adult |
| 3. | Fasciola is a pseudocoelomate animal |
| 4. | Taenia is a triploblastic animal |
Subtopic: Â Phylum Ctenophora |Â Phylum Platyhelminthes |
 74%
Level 2: 60%+
Please attempt this question first.
Hints
Please attempt this question first.
Choose the correct match showing level of organisation (given in Column-I) with examples of the animal (given in Column-II):
1. i-B, ii-C, iii-D, and iv-A
2. i-B, ii-D, iii-C, and iv-A
3. i-D, ii-A, iii-B, and iv-C
4. i-A, ii-D, iii-C, and iv-B
| Column-I | Column-II | ||
| A. | Organ level | (i) | Pheretima |
| B. | Cellular aggregate | (ii) | Fasciola |
| C. | Tissue level | (iii) | Spongilla |
| D. | Organ system level | (iv) | Obelia |
1. i-B, ii-C, iii-D, and iv-A
2. i-B, ii-D, iii-C, and iv-A
3. i-D, ii-A, iii-B, and iv-C
4. i-A, ii-D, iii-C, and iv-B
Subtopic: Â Phylum Porifera |Â Phylum Coelenterata |Â Phylum Ctenophora |Â Phylum Annelida |Â Basis of Classification |
 91%
Level 1: 80%+
Please attempt this question first.
Hints
Please attempt this question first.
Consider the given statements:
| Statement I: | Arthropoda is the largest phylum of Animalia. |
| Statement II: | Mollusca is the second largest animal phylum. |
| Statement III: | Ctenophora is the third largest animal phylum. |
| 1. | Statement I is correct; Statement II is correct; Statement III is incorrect |
| 2. | Statement I is correct; Statement II is correct; Statement III is correct |
| 3. | Statement I is correct; Statement II is incorrect; Statement III is incorrect |
| 4. | Statement I is incorrect; Statement II is correct; Statement III is incorrect |
Subtopic: Â Phylum Ctenophora |Â Phylum Arthropoda |Â Phylum Mollusca |
 84%
Level 1: 80%+
Please attempt this question first.
Hints
Please attempt this question first.
- 1(current)
Q. No.
© 2026 GoodEd Technologies Pvt. Ltd.