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
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1.Ammonia is converted into urea in
- a.kidney
- b.liver
- c.ureters
- d.stomach
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2.Which one of the following is NOT an excretory activity?
- a.Passing out faecal matter
- b.Sweating
- c.Removal of urea
- d.giving out carbon dioxide
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3.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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4.Which is the main nitrogenous metabolic waste excreted by mammals, including humans?
- A.Ammonia
- B.Uric acid
- C.Urea
- D.Creatinine
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5.What is dialysis, and under what condition is it typically carried out?
- A.A natural kidney function that filters blood to remove waste products and excess fluid, performed when kidneys are healthy.
- B.An artificial process used to remove waste products and excess fluid from the blood when the kidneys fail to function properly, carried out in cases of kidney failure or end-stage renal disease.
- C.A surgical procedure to replace damaged kidneys with artificial ones, performed during minor kidney infections.
- D.A medical treatment to increase blood pressure and fluid retention, used when kidneys overproduce urine.
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