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
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1.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.
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2.Which of the following correctly describes the composition of smog?
- A.A mixture of fog and oxygen, beneficial for respiratory health.
- B.Dark or opaque fog formed by dust, smoke, water vapor, and chemicals like SO₂ and NO₂.
- C.Pure water vapor condensed in the atmosphere.
- D.A type of precipitation containing high levels of nitrogen.
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3.Many nuclear power plants are constructed near water sources. They use water for cooling their machinery and release it back into the water stream. Identify the kind of pollution caused.
- a.Radiation pollution
- b.Water pollution
- c.Industrial pollution
- d.Thermal pollution
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4.Which element is known to cause radiation pollution?
- A.Iron
- B.Uranium
- C.Calcium
- D.Potassium
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5.Which of the following activities is most likely to lead to drought?
- A.Afforestation
- B.Deforestation
- C.Rainwater harvesting
- D.Planting trees
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