Cockroach — Prelims Questions

Which of the following statements about the cockroach (Periplaneta americana) is incorrect?

Which of the following structures is present in male cockroaches but absent in females?

The primary function of hepatic caeca in the digestive system of a cockroach is:

In cockroaches, the development is paurometabolous, meaning it involves:

The blood of a cockroach (hemolymph) is colorless because:

Which part of the cockroach alimentary canal is responsible for grinding food particles?