Q1. Draw a neat labeled diagram of the mouthparts of cockroach?

Q2. Describe the physiology of digestion in cockroach?

Q3. Draw a neat labeled diagram of the salivary apparatus of cockroach?

Q4. Describe the structure and function of the heart in Periplaneta?

Q5. Describe the process of blood circulation in Periplaneta?

Q6. How do contraction and relaxation of alary muscles help in circulation?

Q7. What are different excretory organs in Periplaneta? Describe the process of excretion in detail.

Q8. How does Periplaneta conserve water? Explain it with the help of excretion in it?

Q9. Draw a neat and labeled diagram of ommatidium.

Q10. How can you identify the male and female cockroaches, explain it describing the chief futures of the external and internal genitalia.

Q11. Describe the male reproductive system of cockroach.

Q12. Describe the female reproductive system of cockroach?