Quiz for Pollution

Q1: Which of the following gases is a major contributor to acid rain?

A. CO₂ B. CH₄ C. NO₂ D. O₃

Q2: Which metal pollutant is associated with Minamata disease?

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

Q3: Ozone depletion is mainly caused by:

A. CO₂ B. CFCs C. NOx D. CH₄

Q4: Which of the following is a non-degradable pollutant?

A. Sewage B. DDT C. Vegetable waste D. Paper

Q5: The pollutant causing the brown hazy smog in cities is:

A. O₂ B. CO C. O₃ D. NO₂

Q6: BOD stands for:

A. Biochemical Oxidation Demand B. Biological Oxygen Demand C. Biological Oxidation Demand D. Biochemical Oxygen Demand

Q7: Which pollutant is responsible for the blue baby syndrome?

A. Lead B. Mercury C. Nitrates D. Fluoride

Q8: Which is not a greenhouse gas?

A. CO₂ B. N₂ C. CH₄ D. O₃

Q9: Which gas is used as an indicator of air pollution?

A. CO₂ B. NO C. CO D. SO₂

Q10: Eutrophication of lakes is caused by:

A. Mercury B. Phosphates and Nitrates C. Oil D. Sulphur

Q11: Which of the following is a biodegradable pollutant?

A. DDT B. Plastic C. Sewage D. Lead

Q12: Which of the following is not a primary air pollutant?

A. CO B. NO₂ C. O₃ D. SO₂

Q13: The main source of CO in the atmosphere is:

A. Burning of wood B. Industrial emissions C. Automobile exhaust D. Volcanoes

Q14: Which of the following causes biomagnification?

A. Ozone B. CO₂ C. DDT D. NO₂

Q15: The pollutant responsible for metal corrosion is:

A. SO₂ B. CO₂ C. CH₄ D. O₃

Q16: PAN in smog stands for:

A. Peroxyacetyl nitrate B. Phenylacetic nitrogen C. Polyacrylonitrile D. Peroxy amino nitrate

Q17: The depletion of ozone layer causes:

A. Greenhouse effect B. Acid rain C. Global warming D. Skin cancer

Q18: Which of the following is a major water pollutant from detergents?

A. Calcium B. Phosphates C. Sodium D. Sulphates

Q19: Which of the following gases is not a component of photochemical smog?

A. O₃ B. NO C. PAN D. NH₃

Q20: The term “green chemistry” refers to:

A. Use of green chemicals B. Recycling of paper C. Pollution control D. Design of chemical products to reduce or eliminate hazardous substances