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Per NCERT, which phylum is the LARGEST animal phylum — characterised by JOINTED APPENDAGES and an external skeleton (exoskeleton) made of chitin?
AEchinodermata
BMollusca
CPorifera
DArthropoda (insects, crustaceans, arachnids)
Answer & Solution
Correct answer: D. Arthropoda (insects, crustaceans, arachnids)
Per NCERT §12.6.5, Arthropoda has jointed appendages + chitin exoskeleton — most diverse phylum. The other phyla have different features.
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