Multiple choice Which of the following organs perform(s) the role of excretion in arthropods? Nephridia Renett cells or cob cells Renal organ or kidney Paired green glands/malpighian tubules Reveal answer Fill a bubble to check yourself D Correct answer Explanation In crustaceans like prawns, paired green glands are the excretory organs. In insects like cockroaches, malpighian tubules perform the task of excretion.