Question:
Metameric segmentation is exhibited by:
Metameric segmentation is exhibited by:
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Metamerism is the hallmark of Annelida (like earthworms).
Updated On: Jun 10, 2026
- Pila
- Periplaneta
- Pheretima
- Asterias
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The Correct Option is C
Solution and Explanation
Step 1: Concept
Metameric segmentation refers to the repetition of organs and tissues in segments (metameres).
Step 2: Analysis
*Pheretima* (earthworm) is a classic example of metameric segmentation. *Pila* is a mollusc, *Periplaneta* (cockroach) shows tagmatization, and *Asterias* shows pentamerous radial symmetry.
Step 3: Conclusion
*Pheretima* exhibits true metameric segmentation.
Final Answer: (C)
Metameric segmentation refers to the repetition of organs and tissues in segments (metameres).
Step 2: Analysis
*Pheretima* (earthworm) is a classic example of metameric segmentation. *Pila* is a mollusc, *Periplaneta* (cockroach) shows tagmatization, and *Asterias* shows pentamerous radial symmetry.
Step 3: Conclusion
*Pheretima* exhibits true metameric segmentation.
Final Answer: (C)
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