1. Water conservation means:
A) Wasting water
B) Protecting and managing water resources wisely
C) Polluting water
D) Storing only seawater
Answer: B
2. The major source of fresh water on Earth is:
A) Oceans
B) Rivers
C) Glaciers and ice caps
D) Seas
Answer: C
3. Rainwater harvesting is a method used to:
A) Increase rainfall
B) Store rainwater for future use
C) Purify ocean water
D) Stop evaporation
Answer: B
4. Which sector consumes the largest amount of freshwater globally?
A) Industry
B) Agriculture
C) Domestic use
D) Transportation
Answer: B
5. Drip irrigation helps in water conservation by:
A) Flooding the fields
B) Delivering water directly to plant roots
C) Increasing evaporation
D) Using more water
Answer: B
6. The process of reusing treated wastewater is called:
A) Filtration
B) Recycling
C) Evaporation
D) Distillation
Answer: B
7. Which of the following is a traditional water conservation method in Pakistan?
A) Tube wells
B) Dams
C) Karez system
D) Pipelines
Answer: C
8. Fixing leaking taps helps to:
A) Increase water bills
B) Waste water
C) Save significant amounts of water
D) Reduce rainfall
Answer: C
9. The technique of collecting rooftop rainwater is known as:
A) Surface runoff
B) Rooftop harvesting
C) Irrigation
D) Desalination
Answer: B
10. Which device helps reduce water usage in toilets?
A) Shower
B) Sprinkler
C) Dual-flush system
D) Pump
Answer: C
11. Groundwater recharge means:
A) Using groundwater
B) Polluting groundwater
C) Refilling underground water sources
D) Evaporating groundwater
Answer: C
12. Turning off the tap while brushing teeth can save approximately:
A) No water
B) A few liters of water
C) Hundreds of liters daily
D) One drop only
Answer: B
13. A watershed is:
A) A dam
B) An area that drains into a water body
C) A water tank
D) A canal
Answer: B
14. Desalination is the process of:
A) Adding salt to water
B) Removing salt from seawater
C) Filtering rainwater
D) Boiling water
Answer: B
15. Which activity wastes the most household water?
A) Short showers
B) Washing dishes in a filled sink
C) Letting water run continuously
D) Using a bucket for bathing
Answer: C
16. Xeriscaping is related to:
A) Planting water-intensive crops
B) Landscaping that reduces water use
C) Irrigating daily
D) Flooding gardens
Answer: B
17. Which of the following helps in reducing water pollution?
A) Dumping waste in rivers
B) Using eco-friendly detergents
C) Throwing plastics in lakes
D) Industrial discharge
Answer: B
18. Per capita water availability decreases due to:
A) Population growth
B) Rainfall
C) Conservation
D) Recycling
Answer: A
19. Check dams are built to:
A) Stop rivers permanently
B) Increase water speed
C) Store and recharge groundwater
D) Waste water
Answer: C
20. Smart irrigation controllers help by:
A) Watering constantly
B) Adjusting watering based on weather
C) Increasing water use
D) Blocking irrigation
Answer: B
21. Greywater refers to:
A) Drinking water
B) Seawater
C) Lightly used household water
D) Polluted industrial water
Answer: C
22. Water-efficient appliances are labeled with:
A) Energy Star
B) WaterSense
C) Fuel mark
D) Solar tag
Answer: B
23. The main reason for conserving water is to:
A) Increase pollution
B) Ensure future availability
C) Waste less money only
D) Increase salt content
Answer: B
24. Mulching helps conserve water by:
A) Increasing evaporation
B) Reducing soil moisture loss
C) Polluting soil
D) Blocking roots
Answer: B
25. Which method is best for watering plants to avoid wastage?
A) Watering at noon
B) Watering in early morning or evening
C) Spraying in wind
D) Flooding
Answer: B
26. Over-extraction of groundwater can cause:
A) Land subsidence
B) Increased rainfall
C) More rivers
D) Cleaner water
Answer: A
27. Which organization promotes global water conservation efforts?
A) WHO
B) UNESCO
C) FIFA
D) IMF
Answer: B
28. A water meter helps households to:
A) Waste water
B) Measure and monitor water usage
C) Increase water pressure
D) Stop water supply
Answer: B
29. Protecting wetlands helps in:
A) Water purification and storage
B) Increasing pollution
C) Reducing biodiversity
D) Drying rivers
Answer: A
30. Sustainable water management focuses on:
A) Short-term use only
B) Equal and long-term availability
C) Industrial waste disposal
D) Ignoring ecosystems
Answer: B