A) mandibles
B) maxilla
C) labium
D) labrum
Correct Answer: C
Solution :
The first maxillae of cockroach has biramous structure with protopodite containing cardo as its basal portion along with stipes articulated at an angle of \[{{90}^{o}}\]. Stipes bear a five jointed exopodite or maxillary palp towards outside and endopodite towards inside, with two closely placed podomers called galea and lacinia.
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