Q. In which one of the following organisms its excretory organs are correctly stated?

A) Humans – Kidneys, sebaceous glands and tear glands
B) Earthworm – Pharyngeal, integumentary and septal nephridia
C) Cockroach – Malpighian tubules and enteric caeca
D) Frog – Kidneys, skin and buccal epithelium
Explanation

[Solution from source] Earthworm excretes through three types of nephridia: septal, integumentary and pharyngeal. Tear glands are not excretory in humans, enteric caeca in cockroach are digestive (its excretory organs are Malpighian tubules plus fat body and uricose glands), and buccal epithelium is not an excretory organ in frog. Answer (2).

Dr. Abubacker
Reviewed by Dr. Abubacker

Physics Educator & NEET/JEE Specialist

Ph.D. in Physics with 19+ years of teaching experience.

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