Which one of the following forms the blk of exoskeleton of an arthropod?
Correct answer: B. Procuticle
- A. Epicuticle
- B. Procuticle
- C. Ectocuticle
- D. None of these
Explanation
The procuticle forms the main bulk of an arthropod's exoskeleton and contains the tough exocuticle and more flexible endocuticle. Students may choose epicuticle because it is the outermost layer, but it is a thin covering rather than the bulk of the exoskeleton.
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