ICSE Class 10

ICSE Class 10 Pollution — Mock Test (2027)

Free online mock test for Pollution (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 Pollution 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.BOD stands for Biological Oxygen Demand and it indicates the degree of which environmental issue?
    • A.Air pollution
    • B.Water pollution
    • C.Soil erosion
    • D.Noise pollution
  2. 2.Which of the following is a non-biodegradable pollutant?
    • A.Paper
    • B.Wood
    • C.Cloth
    • D.DDT
  3. 3.Which chemical is primarily responsible for the depletion of the ozone layer?
    • A.Carbon dioxide
    • B.CFC (Chlorofluorocarbons)
    • C.Methane
    • D.Sulfur dioxide
  4. 4.Eutrophication leads to death of fish due to
    • A.Increased O₃ content
    • B.Increased algal content
    • C.Decreased algal content
    • D.Decreased O₂ content
  5. 5.Rubber particles and dust raised by running motor vehicles are examples of which type of pollutants?
    • A.gaseous pollutants
    • B.particulate pollutants
    • C.chemical pollutants
    • D.biodegradable pollutants

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