Read the given statements and select the correct option for Periplaneta

Statement A: Foregut is lined by chitinous cuticle.
Statement B: This region does permit any digestive, secretory or absorptive activity

Identify the correctly matched pair w.r.t. Periplaneta.

All of the following structures are associated with circulatory system of cockroach, except.

Read the following statement
a. Nervous system of cockroach consists of a series of segmentally fused ganglia located on dorsal side of body
b. In cockroach, sensory structures are absent on maxillary and labial palps
c. Supra oesophageal ganglion function as brain in cockroach
d. Mosaic vision in cockroach has less sensitivity but resolution is high

Select the correct option stating which statement is true and which one are false

Statement A : Tegmina in cockroaches help in flight.

Statement B : Male and female cockroaches can be distinguished on the basis of the presence or absence of anal cerci.