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.Although urine is formed from alkaline blood, it is acidic in nature. What is the significance of this statement?
    • A.Kidneys convert blood pH to acidic by adding hydrogen ions.
    • B.Blood becomes acidic before reaching the kidneys.
    • C.Urine acidity is unrelated to kidney function.
    • D.Acidic urine indicates kidney failure.
  2. 2.Which term describes the process by which metabolic wastes are removed from the body?
    • A.Secretion
    • B.Excretion
    • C.Digestion
    • D.Respiration
  3. 3.What is an artificial kidney?
    • A.A transplanted kidney from a donor.
    • B.A dialysis machine that filters waste from blood.
    • C.A synthetic kidney grown in a lab.
    • D.A device that replaces kidney hormone production.
  4. 4.Haemodialysis is associated with
    • a.liver
    • b.spleen
    • c.stomach
    • d.kidney
  5. 5.The net pressure gradient that causes fluid to filter out of the glomeruli into the capsule is
    • a.75 mm Hg
    • b.20 mm Hg
    • c.30 mm Hg
    • d.50 mm Hg

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