The mouth parts of cockroach are

Male cockroach can be identified from the female by the presence of

In the female cockroach,which segment is boat-shaped?

The mouthparts of a cockroach are adapted for:

Which of the following statement$(s)$ is/are correct regarding cockroaches?
$(i)$ The body of the cockroach is segmented and divisible into three distinct regions - head,thorax and abdomen.
$(ii)$ Blood vascular system is of closed type.
$(iii)$ They are monoecious and both sexes have well developed reproductive organs.
$(iv)$ The development of $P. americana$ is paurometabolous,meaning there is development through nymphal stage.

In cockroaches,the stink glands are found between which abdominal segments?