WAEC (WASSCE) Biology · Concept of living

Excretory systems and mechanisms: WAEC Biology Past Questions and Answers

What the WAEC syllabus covers in Excretory systems and mechanisms

Our summary: The organs that remove wastes in animals and plants, and what plants excrete.

  • Types of excretory systems: kidney, stomata and lenticels (Characteristics of excretory organs in these systems should be studied. Candidates should observe, draw and label the excretory organs of a small mammal (e.g. rat). Explanation of the concept of excretion in plants. Excretory products of plants (water, carbon dioxide, oxygen, alkaloids, tannins, gums, resins and acids) should be mentioned.)

Syllabus content © The West African Examinations Council (WASSCE (harmonised West African syllabus)).

WAEC (WASSCE) Biology questions on Excretory systems and mechanisms

  1. WAEC 2024Filtrates in the Bowman's capsule contain vitamins because
  2. WAEC 2020The part of the mammalian kidney that stores urine is the
  3. WAEC 2020The excretory product of some reptiles, birds and insects is
  4. WAEC 2019Excretory products in plants responsible for the discoloration of flowers are called …
  5. WAEC 2018Which of the following is NOT an excretory product of animals?
  6. WAEC 2018Ultrafiltration in the kidney takes place in the
  7. WAEC 2017Deamination of amino acids in the liver produces
  8. WAEC 2016Which of the following substances is not usually present in the urine of a healthy person?
  9. WAEC 2015Water and salts are both lost from the human body in
  10. WAEC 2014The excretory product in protozoans is
  11. WAEC 2013In humans, excretion of hypertonic urine is associated with the
  12. WAEC 2013A substance present in the glomerular filtrate in the mammalian Kidney is
  13. WAEC 2013Which part of the nephron is associated with ultra-filtration?
  14. WAEC 2011Filtrate in the Bowman’s capsule contains vitamins because
  15. WAEC 2010The excretory system in mammals consists of the following parts except

Years with Excretory systems and mechanisms questions in DeeepSolve's question bank

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