- 1(current)
Q. No.Which feature is common to both Annelida and Mollusca?
1. Radula
2. Dorsal nerve cord
3. Trochophore larva
4. Chitinous exoskeleton
1. Radula
2. Dorsal nerve cord
3. Trochophore larva
4. Chitinous exoskeleton
Subtopic: Â Phylum Annelida |Â Phylum Mollusca |
Level 3: 35%-60%
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In a typical mollusc:
| I: | Head, muscular foot and visceral hump are body segments. |
| II: | Mantle over the visceral hump is formed by a layer of skin. |
| III: | Radula is a file-like rasping organ |
| 1. | Only III is correct |
| 2. | Only II and III are correct |
| 3. | Only I and III are correct |
| 4. | Only I and II are correct |
Subtopic: Â Phylum Mollusca |
 51%
Level 3: 35%-60%
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Subtopic: Â Phylum Mollusca |
 55%
Level 3: 35%-60%
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Q. No.
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