Topic: Frog: morphology and anatomy· Structural Organisation in Animals and Plants
In both sexes of cockroach, a pair of jointed filamentous structures called anal cerci are present on :
1. \(11^{th}\) segment
2. \(5^{th}\) segment
3. \(10^{th}\) segment
4. \(8^{th}\) and \(9^{th}\) segment