Name :
USN : SEM : Dept :
Water Conservation and Rainwater Harvesting Quiz
Note : Encircle / Mark the Right answer, Max marks: 20
No Poinst for Multiple Marking
1. Which of the following is NOT a traditional water harvesting method in India?
A) Kunds B) Rooftop Concrete Gutters
C) Johads D) Bamboo Drip Irrigation
2. Water conservation in agriculture primarily focuses on:
A) Urban water treatment B) Efficient irrigation and reduced runoff
C) Minimizing water in industries D) Cleaning domestic wastewater
3. Which sector consumes the highest share of freshwater globally?
A) Services B) Agriculture
C) Industries D) Households
4. Sustainability assessment of water use includes all EXCEPT:
A) Ecological impact B) Industrial tax benefits
C) Long-term availability D) Social acceptance
5. Which is the first component in a typical rooftop rainwater harvesting system?
A) Storage tank B) Gutter
C) Downpipe D) Filtration chamber
6. Which method is BEST for harvesting runoff water from roads?
A) Soak pit B) Roadside check dam
C) Recharge pit D) Contour bunding
7. The runoff coefficient is highest for:
A) Forest land B) Concrete roof
C) Agricultural field D) Grass lawn
8. Which of the following is a key maintenance task for RWH systems?
A) Adding chlorine B) Desilting the recharge pit
C) Building concrete bunds D) Increasing rainfall artificially
9. Which component helps to improve water quality in RWH systems?
A) Rooftop B) First-flush device
C) Recharge trench D) Overflow pipe
10. The main goal of designing a RWH system for open areas is to:
A) Reduce roof loads B) Recharge groundwater
C) Generate hydropower D) Minimize crop irrigation
11. An aquifer that is sandwiched between two impermeable layers is called:
A) Aquitard B) Confined aquifer
C) Semi-confined aquifer D) Unconfined aquifer
12. Which parameter directly influences groundwater movement?
A) Hardness B) Permeability
C) Alkalinity D) Salinity
13. Water footprint refers to:
A) Area of water body B) Total water consumed to produce goods or services
C) Volume of water used per unit time D) Amount of water stored in dams
14. Which of the following is NOT a factor affecting groundwater recharge?
A) Rainfall pattern B) Wind speed
C) Land use D) Soil type
15. Percolation tanks are suitable in areas with:
A) Steep slopes B) Gentle slopes with porous strata
C) Desert conditions D) Low permeability soils
16. Which recharge theory assumes vertical movement of water in soil layers?
A) Capillary rise theory B) Piston flow theory
C) Reverse osmosis theory D) Convectional theory
17. Which method is commonly used for subsurface investigation of groundwater?
A) Magnetic resonance imaging B) Electrical resistivity
C) Radiocarbon dating D) Chlorination
18. Which property is measured to locate aquifers using geophysical methods?
A) Hardness B) Electrical conductivity
C) pH value D) Alkalinity
19. Monitoring groundwater level is essential to:
A) Check tank overflow B) Plan artificial recharge
C) Install solar panels D) Prevent soil salinity
20. Which tool is used to monitor groundwater levels over time?
A) Seismograph B) Piezometer
C) Barometer D) Rain gauge
