Melanin pigment in cockroach is found in__________?
Correct answer: B. Exocuticle
- A. Epicuticle
- B. Exocuticle
- C. Endocuticle
- D. All of these
Explanation
Melanin is deposited mainly in the pigmented exocuticle, the harder layer beneath the epicuticle, giving the cockroach cuticle its dark colour. The epicuticle is mainly a thin waterproofing layer, while the endocuticle is softer and generally lacks the same pigmentation.
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