2023 Animal KingdomExcretory Structures in Animals Medium Question 21 of 123 in Animal Kingdom

Match List-I with List-II.

Column I

  • A. Taenia
  • B. Paramoecium
  • C. Periplaneta
  • D. Pheretima

Column II

  • I. Nephridia
  • II. Contractile vacuole
  • III. Flame cells
  • IV. Urecose gland

Correct answer: A → III, B → II, C → IV, D → I

Solution

Taenia has flame cells, Paramoecium a contractile vacuole, Periplaneta urecose glands and Pheretima nephridia.

Flatworms (e.g., Taenia) have excretory systems called protonephridia with flame cells. Freshwater Paramoecium have osmoregulatory organelle called contractile vacuole. Urecose glands in Cockroaches (Periplaneta) help in excretion. In earthworms (Pheretima), the excretory organs are nephridia.

Concept excretory organs of different animals

Animal Kingdom in past papers

123 questions from this chapter have appeared across 27 exam years.