The bristles on the body of the cockroach arise from__________?
Correct answer: B. Trichogen cell
- A. Epidermis
- B. Trichogen cell
- C. Basement membrane
- D. Malpighian cell
Explanation
A cockroach bristle develops from a specialised epidermal hair-forming cell called a trichogen cell. The basement membrane lies beneath the epidermis, and Malpighian cells belong to the excretory system, so neither forms the external bristle.
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