Water Pollution and Its Consequences MCQS

1. What is the main cause of water pollution in Pakistan’s rivers?
(A) Oil spills
(B) Agricultural runoff and industrial waste
(C) Melting glaciers
(D) Underground water reservoirs

2. Which disease is most commonly associated with drinking polluted water?
(A) Malaria
(B) Typhoid
(C) Asthma
(D) Tuberculosis

3. What does the term “eutrophication” refer to?
(A) Freezing of water
(B) Boiling of water
(C) Excess nutrients causing algae bloom in water
(D) Cooling of underground water

4. Which of the following is a major source of groundwater contamination?
(A) Acid rain
(B) Oil spills
(C) Leakage from sewage systems
(D) Ocean currents

5. What is the consequence of heavy metal contamination in water bodies?
(A) Increased oxygen in water
(B) Improved fish population
(C) Toxicity in aquatic life and humans
(D) More rainfall

6. Which of the following is not a direct effect of water pollution?
(A) Waterborne diseases
(B) Decrease in biodiversity
(C) Improved soil fertility
(D) Contaminated drinking water

7. What is the most polluted river in Pakistan?
(A) Chenab
(B) Ravi
(C) Swat
(D) Indus

8. Which organization monitors environmental pollution in Pakistan?
(A) WAPDA
(B) Pakistan Environmental Protection Agency (Pak-EPA)
(C) National Database Authority
(D) Ministry of Water Resources

9. What is the effect of water pollution on agriculture?
(A) Better crop yield
(B) Cleaner irrigation
(C) Crop failure and soil contamination
(D) Increased pest resistance

10. What is a sustainable solution to reduce water pollution?
(A) Dumping waste into rivers
(B) Building more dams
(C) Treating sewage before disposal
(D) Using salt water for agriculture