Which of the following is present in a male cockroach?

Which part of the cockroach has both an exoskeleton and an endoskeleton?

Choose the incorrect statement regarding the characteristics of a cockroach.

The number of abdominal segments in male and female cockroaches is . . . . . . .

Male and female cockroaches can be distinguished morphologically by the presence of:

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.