Atmospheric Pollution Multiple Choice Questions (MCQ) 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