ICSE Class 10

ICSE Class 10 The Excretory System — Mock Test (2027)

Free online mock test for The Excretory System (ICSE Class 10 Biology) — 20 competency-based questions based on the latest CISCE 2027 syllabus, with instant marking. Try the samples below, then take the full test free.

What to expect: This mock test covers key concepts from the The Excretory System chapter — including application-based and competency-focused questions aligned with how ICSE actually sets the paper.

Tip: Attempt without notes first to identify gaps, then review explanations for any wrong answers. Retake after a few days for best retention.

Sample questions

  1. 1.Which excretory products are formed by the liver?
    • A.Urea and bile pigments
    • B.Carbon dioxide and water
    • C.Uric acid and ammonia
    • D.Sweat and sebum
  2. 2.The formation of urine in our excretory system is known as
    • a.uropoiesis
    • b.haemopoiesis
    • c.leucopoiesis
    • d.None of these
  3. 3.The nephrons discharge their urine at
    • a.urinary bladder
    • b.urethra
    • c.renal pyramid
    • d.renal pelvis
  4. 4.‘Aquatic animals excrete ammonia’. Which one of the following statements does not support this statement?
    • a.Ammonia is released from the body in gaseous state
    • b.Ammonia is easily soluble in water
    • c.Ammonia is highly toxic and needs to be eliminated when formed
    • d.Ammonia gets converted into less toxic form called urea and uric acid
  5. 5.Name the two blood vessels that enter and leave the kidney, respectively.
    • A.Renal artery and renal vein
    • B.Aorta and vena cava
    • C.Hepatic artery and hepatic vein
    • D.Pulmonary artery and pulmonary vein

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