Atmospheric Pollution Multiple Choice Questions with Answers – PDF Download

MCQ 1: Profuse growth of algae occurs due to:

1. hydrogen sulphide in water
2. nitrates and phosphates in water
3. carbon dioxide in water
4. chlorine in water

MCQ 2: Sulfur dioxide (SO₂) may be reduced in air, if:

1. catalytic converters are used in cars
2. car pools are used
3. filters or scrubbers are used in chimneys
4. ozone friendly products are introduced

MCQ 3: Nitrates (NO₃^-1) and phosphates (PO₄^-3) reach underground water with:

1. acid rains
2. fertilizers washed away by rain water
3. decomposition of organic compounds by anaerobic bacteria
4. decomposition of organic compounds by aerobic bacteria

MCQ 4: Loss of control of hand and feet occurs due to:

1. lead poisoning (Pb)
2. sulfur dioxide (SO₂)
3. nitrogen oxide (NO)
4. carbon dioxide (CO₂)

MCQ 5: If lead accumulation occurs for long in the body, the outcomes may include:

1. death
2. coma
3. lead poisoning
4. all of above