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.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.
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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
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3.Which thin membranous sac in the human body serves as the reservoir for urine?
- A.Gallbladder
- B.Urinary bladder
- C.Ureter
- D.Urethra
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4.The formation of urine in our excretory system is known as
- a.uropoiesis
- b.haemopoiesis
- c.leucopoiesis
- d.None of these
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5.In which form is glucose stored in the liver?
- A.Glycogen
- B.Starch
- C.Cellulose
- D.Glucagon
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