- 1(current)
Q. No.Metamerism evolved for the first time in the members of the Phylum:
| 1. | Annelida | 2. | Platyhelminthes |
| 3. | Aschelminthes | 4. | Chordata |
Subtopic: Â Phylum Annelida |
 84%
Level 1: 80%+
Hints
Unlike Arthropods, Annelids:
| 1. | have a true coelom lined by embryonic mesoderm |
| 2. | have a closed circulatory system |
| 3. | do not reproduce by sexual methods |
| 4. | have a complete digestive system |
Subtopic: Â Phylum Annelida |
 74%
Level 2: 60%+
Hints
Identify the incorrect statement regarding animals belonging to Phylum Annelida:
| 1. | Aquatic annelids like Nereis possess lateral appendages, parapodia, which help in swimming. |
| 2. | Nereis is dioecious. |
| 3. | Earthworm is monoecious. |
| 4. | Hirudinaria, blood-sucking leech, is an annelid that lacks true coelom and metamerism. |
Subtopic: Â Phylum Annelida |
 87%
Level 1: 80%+
Hints
- 1(current)
Q. No.
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