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.Why is it necessary to maintain a normal osmotic concentration of the blood?
    • A.To ensure proper cell function, nerve impulse transmission, and overall homeostasis by preventing osmotic imbalances.
    • B.To increase the blood pressure and enhance oxygen transport to tissues.
    • C.To reduce the workload on the kidneys and minimize urine production.
    • D.To accelerate metabolic reactions and boost energy production in cells.
  2. 2.Choose the ODD one out of the following terms and identify the category to which the others belong: Bile, Urea, Uric acid, Ammonia
    • A.Bile; rest are digestive secretions
    • B.Urea; rest are excretory products of plants
    • C.Bile; rest are excretory products of humans
    • D.Ammonia; rest are components of urine
  3. 3.Which thin membranous sac in the human body serves as the reservoir for urine?
    • A.Gallbladder
    • B.Urinary bladder
    • C.Ureter
    • D.Urethra
  4. 4.The formation of urine in our excretory system is known as
    • a.uropoiesis
    • b.haemopoiesis
    • c.leucopoiesis
    • d.None of these
  5. 5.In which form is glucose stored in the liver?
    • A.Glycogen
    • B.Starch
    • C.Cellulose
    • D.Glucagon

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