Zoology-Phylum Characteristics
NEET Zoology Phylum Characteristics MCQ Question
Type: MCQ-conceptual-Hard-Class 11
If an echinoderm's larval stage has bilateral symmetry and it develops into a radially symmetrical adult, how many distinct symmetry patterns are exhibited throughout its lifecycle?
A
Two
B
Three
C
One
D
Four
Correct Answer
Option A
Detailed Explanation
Echinoderms exhibit two distinct symmetry patterns: bilateral symmetry in the larval stage and radial symmetry in the adult stage, as per the NCERT context.
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