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.Which of the following statement(s) is/are true?
- A.Urine is hypertonic in distal convoluted tubule
- B.When the urine passes into collecting tubule, it becomes hypotonic
- C.Urine becomes more and more hypotonic as it passes through Henle's loop
- D.Both (a) and (c)
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2.Which structure transports urine from the kidney to the urinary bladder?
- A.Urethra
- B.Ureter
- C.Renal artery
- D.Collecting duct
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3.Which substance is present at a lower concentration in the renal artery than in the renal vein?
- A.Amino acids
- B.Glucose
- C.Carbon dioxide
- D.Urea
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4.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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5.What is the primary purpose of dialysis in medical treatment?
- A.To separate large solute molecules from small ones using a semi-permeable membrane.
- B.To increase blood pressure by filtering excess fluids from the blood.
- C.To directly replace damaged kidney cells with healthy ones.
- D.To stimulate the production of red blood cells in patients with anemia.
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