Question

Excretory organs of Ascaris are
A. Kidney
B. Flame cell
C. Renette Glands
D. Nephridia

Answer 1

Excretory organs are the organs which remove the unwanted and toxic substance from the body. The different organism possesses a different kind of excretory organ to excrete out waste products from their body.

Complete answer:Ascaris is a parasitic nematode worm which is a small intestinal roundworm that affects the human and causes ascariasis disease. The egg of this organism is present in human wastes and they infect the soil and plant grown that soil. One who consumes the infected plants and water can consume the egg, and this can cause ascariasis disease, which is a common helminths disease.
In Ascaris , the excretory system consists of one or two large renette gland cells. A kidney is the excretory organ and mainly found in chordates in different forms, but true kidney found in mammals. In humans, the kidney is a reddish bean-shaped structure which is associated with ureters, urinary bladder, urethra and renal portal vein and artery. A flame cell is the excretory organs of the flatworms, which belongs to phylum Platyhelminthes, these are unsegmented, soft-bodied invertebrates and they are acoelomates which have no specialized circulatory and respiratory organs. Nephridia are the excretory organs of the Phylum Annelida invertebrate worms. They are a segmented worm, some of the species are parasitic or mutualistic example earthworm and leeches.
Hence, the correct option C.

Note:Ascaris that causes ascariasis, is a large roundworm that can grow up to 35cm, it is also called giant roundworm and belongs to phylum nematodes. It is an ammoniotelic organism, and it releases ammonia. The renette glands are the excretory glands as they help main osmotic balance.