Biology
NULL
Medium
Question
Which one of the following forms the bulk of exoskeleton of an arthropod?
A
Epicuticle
B
Procuticle
✓ Official correct answer
C
Ectocuticle
D
None of these
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A
Epicuticle
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B
Procuticle
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C
Ectocuticle
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D
None of these
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Explanation
The procuticle forms the bulk (thickest layer) of an arthropod's exoskeleton, providing most of its strength and structural support beneath the thin outer epicuticle.