Quiz for Environmental issues

Q1: Which gas is a major contributor to greenhouse effect?

A. Carbon dioxide B. Nitrogen C. Oxygen D. Hydrogen

Q2: Eutrophication is caused by excess of which nutrient in water?

A. Calcium and potassium B. Nitrogen and phosphorus C. Magnesium and sulfur D. Zinc and iron

Q3: Which is the most harmful pollutant in photochemical smog?

A. Ozone B. SO₂ C. CO₂ D. CFCs

Q4: Which of the following is biodegradable?

A. DDT B. Aluminium foil C. Vegetable peels D. Plastic bags

Q5: The main pollutant responsible for acid rain is?

A. O₃ B. CO₂ C. SO₂ D. CH₄

Q6: Which of the following is used in sewage treatment?

A. Methanogens B. Cyanobacteria C. Mycorrhizae D. Rhizobium

Q7: Which of the following is a measure of water pollution?

A. BOD B. pH C. Salinity D. Turbidity

Q8: Which strategy is not a part of waste management?

A. Recycling B. Incineration C. Landfilling D. Eutrophication

Q9: Which is a renewable source of energy?

A. Petroleum B. Coal C. Wind D. Natural gas

Q10: Which metal is responsible for Minamata disease?

A. Lead B. Mercury C. Cadmium D. Iron

Q11: Montreal Protocol is related to?

A. Global warming B. Acid rain C. Ozone layer depletion D. Deforestation

Q12: Which technique is used to remove particulate pollutants from the air?

A. Electrostatic precipitator B. Trickling filter C. Incinerator D. Sedimentation tank

Q13: Which gas causes ozone layer depletion?

A. CO₂ B. NO₂ C. CFC D. SO₂

Q14: Which is the primary cause of biodiversity loss?

A. Pollution B. Overexploitation C. Habitat destruction D. Alien species

Q15: In which year was the Environment Protection Act enacted in India?

A. 1986 B. 1991 C. 1972 D. 2000

Q16: Which is the major cause of noise pollution?

A. Wind B. Birds chirping C. Loudspeakers D. Flowing water

Q17: Water pollution by organic waste is measured by?

A. COD B. BOD C. TDS D. pH

Q18: What is the full form of CNG?

A. Compressed Nitrogen Gas B. Compressed Natural Gas C. Carbonated Natural Gas D. Concentrated Nitrogen Gas

Q19: Which source emits radioactive pollution?

A. Nuclear power plants B. Fertilizer factories C. Thermal plants D. Petroleum refineries

Q20: Which is a greenhouse gas?

A. Oxygen B. Methane C. Nitrogen D. Hydrogen