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.From the given list, identify the two biodegradable wastes: Styrofoam, Metallic cans, Decaying fruits, Plastic bottles, Newspapers.
    • A.Decaying fruits and Newspapers
    • B.Styrofoam and Metallic cans
    • C.Plastic bottles and Newspapers
    • D.Decaying fruits and Metallic cans
  2. 2.List two major harmful effects of pesticides such as DDT used in agriculture. Which of the following correctly identifies these effects?
    • A.Increased soil fertility and enhanced crop yield.
    • B.Bioaccumulation and biomagnification in food chains, and harm to non-target species like beneficial insects and birds.
    • C.Reduction of atmospheric carbon dioxide and prevention of global warming.
    • D.Immediate degradation in the environment and promotion of biodiversity.
  3. 3.What is the primary cause of thermal pollution in water bodies?
    • A.Discharge of hot water from industrial cooling processes.
    • B.Release of untreated sewage into rivers and lakes.
    • C.Excessive use of fertilizers leading to eutrophication.
    • D.Deposition of acid rain increasing water temperature.
  4. 4.Which gas reduces the oxygen-carrying capacity of blood by binding with hemoglobin?
    • A.Carbon dioxide
    • B.Oxygen
    • C.Carbon monoxide
    • D.Nitrogen
  5. 5.The prime source of chlorofluorocarbons is :
    • A.Vehicular emissions
    • B.Industrial effluents
    • C.Domestic sewage
    • D.Refrigeration equipments

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