Question

How many segments are present in the abdomen of cockroach?

Answer 1

Cockroach belongs to phylum Arthropoda. The body is divided into head thorax and abdomen. The abdomen consists of 10 segments. The boat shaped 7${}^{th}$ segment together with the 8${}^{th}$ and 9${}^{th}$sterna forms a brood or genital part. In both sexes, the 10th segment bears of pair of jointed filamentous structures called anal cerci.