Q. Match the structures present in cockroach given under column I with their functions given under column II. Choose the correct combination of the alphabets of the given two columns:
Column I(Structures) Column II (Functions)
A Hepatic caecae p Tactile sensation
B Malphigian tubules q Absorption of water
C Antannae r Excretion of nitrogenous waste
D Rectal papillae s Digestive enzyme secretion
t Respiration

Solution: