Q1: 1. What is the primary source of wastewater in residential areas?

• A) Industrial runoff
• B) Agricultural runoff
• C) Domestic sewage
• D) Stormwater

Q2: 2. Which of the following is a common indicator of organic pollution in wastewater?

• A) Nitrate
• B) Ammonia
• C) Biochemical Oxygen Demand (BOD)
• D) Phosphate

Q3: 3. What does Total Suspended Solids (TSS) measure in wastewater?

• A) Dissolved minerals
• B) Solid particles suspended in water
• C) Organic matter
• D) Pathogenic bacteria

Q4: 4. Which of the following is a characteristic of industrial wastewater?

• A) Low levels of pollutants
• B) Consistent flow rate
• C) Variable composition
• D) Neutral pH

Q5: 5. What parameter is used to measure the acidity or alkalinity of wastewater?

• A) Turbidity
• B) pH
• C) Total Nitrogen
• D) Chemical Oxygen Demand (COD)

Q6: 6. Which of the following is a common form of nutrient pollution in wastewater?

• A) Lead
• B) Mercury
• C) Nitrogen
• D) Arsenic

Q7: 7. What parameter is used to measure the concentration of inorganic pollutants in wastewater?

• A) Total Solids
• B) Total Dissolved Solids (TDS)
• C) Total Organic Carbon (TOC)
• D) Total Phosphorus

Q8: 8. Which of the following is a characteristic of treated wastewater suitable for reuse?

• A) High levels of pathogens
• B) Low levels of nutrients
• C) Presence of toxic chemicals
• D) High turbidity

Q9: 9. What parameter is used to measure the oxygen-consuming capacity of wastewater?

• A) Total Suspended Solids (TSS)
• B) Chemical Oxygen Demand (COD)
• C) Total Nitrogen
• D) Total Phosphorus

Q10: 10. Which of the following is a common source of heavy metal pollution in wastewater?

• A) Paper products
• B) Pesticides
• C) Mining activities
• D) Food waste

Q11: 11. What parameter is used to measure the presence of pathogens in wastewater?

• A) Fecal Coliform
• B) Total Suspended Solids (TSS)
• C) Total Phosphorus
• D) Biochemical Oxygen Demand (BOD)

Q12: 12. Which of the following is a common indicator of eutrophication in wastewater?

• A) High levels of dissolved oxygen
• B) Low levels of algae
• C) Excessive nutrient concentrations
• D) Neutral pH

Q13: 13. What parameter is used to measure the amount of oxygen required for the chemical oxidation of pollutants in wastewater?

• A) Ammonia
• B) Total Phosphorus
• C) Biochemical Oxygen Demand (BOD)
• D) Total Organic Carbon (TOC)

Q14: 14. Which of the following is a characteristic of municipal wastewater?

• A) Low organic content
• B) High salt concentration
• C) Variable flow rates
• D) Neutral pH

Q15: 15. What parameter is used to measure the concentration of nitrogen compounds in wastewater?

• A) Total Phosphorus
• B) Chemical Oxygen Demand (COD)
• C) Ammonia
• D) Total Suspended Solids (TSS)

Q16: 16. Which of the following is a common source of organic pollution in wastewater?

• A) Plastic waste
• B) Fertilizers
• C) Food processing plants
• D) Glass manufacturing

Q17: 17. What parameter is used to measure the concentration of phosphorus in wastewater?

• A) Total Dissolved Solids (TDS)
• B) Total Nitrogen
• C) Total Phosphorus
• D) Turbidity

Q18: 18. Which of the following is a characteristic of untreated industrial wastewater?

• A) Low levels of heavy metals
• B) High pH
• C) Low nutrient content
• D) Toxic chemicals

Q19: 19. What parameter is used to measure the clarity of water in wastewater?

• A) pH
• B) Total Solids
• C) Turbidity
• D) Total Organic Carbon (TOC)

Q20: 20. Which of the following is a common indicator of pollution from detergents in wastewater?

• A) Total Nitrogen
• B) Phosphate
• C) Ammonia
• D) Biochemical Oxygen Demand (BOD)

Q21: 21. What parameter is used to measure the total amount of solid material in wastewater?

• A) Total Dissolved Solids (TDS)
• B) Total Suspended Solids (TSS)
• C) Chemical Oxygen Demand (COD)
• D) Total Organic Carbon (TOC)

Q22: 22. Which of the following is a characteristic of agricultural wastewater?

• A) Low nutrient content
• B) High levels of pesticides
• C) Consistent flow rate
• D) Neutral pH

Q23: 23. What parameter is used to measure the total amount of carbon in wastewater?

• A) Biochemical Oxygen Demand (BOD)
• B) Total Phosphorus
• C) Total Organic Carbon (TOC)
• D) Ammonia

Q24: 24. Which of the following is a common source of nutrient pollution in urban wastewater?

• A) Air pollution
• B) Industrial discharges
• C) Fertilizer runoff
• D) Construction debris

Q25: 25. What parameter is used to measure the concentration of heavy metals in wastewater?

• A) Total Dissolved Solids (TDS)
• B) Total Suspended Solids (TSS)
• C) Total Phosphorus
• D) Lead