alleryWhich phylum is characterised by a long, cylindrical body divided into similar repeating segments, as seen in the earthworm?
AAschelminthes
BAnnelida
CArthropoda
DMollusca
Answer & Solution
Correct answer: B. Annelida
1. The body is metamerically segmented into similar units.
2. This segmented plan, seen in the earthworm, defines phylum Annelida.
3. Rule out Aschelminthes: their body is non-segmented round worm.
4. Arthropods are segmented but carry jointed appendages and an exoskeleton.
_Source: Balbharati (Maharashtra Board) Class 10 Science & Technology Part 2, Ch 6 "Animal Classification", p.78_
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