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1. In which state is rooftop rainwater harvesting compulsory by law?
A. Gujarat
B. Maharashtra
C. Tamil Nadu
D. Karnataka
2. Which city practices widespread rooftop harvesting despite high rainfall?
A. Mumbai
B. Shillong
C. Kolkata
D. Chennai
3. How much annual precipitation does Gendathur village receive?
A. 500 mm
B. 700 mm
C. 1,000 mm
D. 1,200 mm
4. How much water can each Gendathur household collect annually?
A. 25,000 litres
B. 50,000 litres
C. 75,000 litres
D. 1,00,000 litres
5. What is the efficiency of rainwater collection in Gendathur village?
A. 60%
B. 70%
C. 80%
D. 90%
6. What is the local name for rainwater in Rajasthan?
A. Pani Shuddh
B. Palar Pani
C. Nirmal Jal
D. Amrit Jal
7. Which system in Meghalaya uses bamboo pipes for irrigation?
A. Tanka system
B. Khadin system
C. Bamboo drip irrigation
D. Kul diversion
8. How much water enters bamboo pipes per minute in Meghalaya’s system?
A. 5 litres
B. 10 litres
C. 18–20 litres
D. 30 litres
9. What is the main source of drinking water in arid Rajasthan during summer?
A. Canal water
B. Tankas
C. Tube wells
D. Rivers
10. Which state’s capital faces acute water shortage despite highest rainfall nearby?
A. Sikkim
B. Meghalaya
C. Arunachal Pradesh
D. Nagaland
11. Which natural hazard can be triggered by multi-purpose dams?
A. Cyclones
B. Earthquakes
C. Landslides only
D. Volcanic eruptions
12. What agricultural impact results from dams and irrigation projects?
A. Decreased crop yield
B. Shift to water-intensive crops
C. Increased soil fertility
D. Less groundwater recharge
13. What social change is linked with irrigation projects?
A. Reduction in social gaps
B. Increased equality
C. Wider gap between rich and poor farmers
D. Decline in agriculture
14. Which river is called the “river of sorrow” due to flooding?
A. Ganga
B. Damodar
C. Yamuna
D. Kosi
15. Which project caused agitation among Sabarmati-basin farmers?
A. Bhakra Nangal Project
B. Sardar Sarovar Project
C. Hirakud Project
D. Tehri Dam Project
16. Which dam is built in the Mahanadi basin?
A. Tehri
B. Hirakud
C. Sardar Sarovar
D. Bhakra Nangal
17. Which ancient city near Allahabad had a sophisticated water harvesting system?
A. Pataliputra
B. Sringaverapura
C. Hastinapur
D. Kalinga
18. Which Mauryan ruler encouraged building of dams and lakes?
A. Ashoka
B. Chandragupta Maurya
C. Bindusara
D. Samudragupta
19. Which artificial lake was built in the 11th century?
A. Dal Lake
B. Bhopal Lake
C. Chilika Lake
D. Sambhar Lake
20. Who constructed the Hauz Khas tank in Delhi?
A. Alauddin Khilji
B. Iltutmish
C. Muhammad bin Tughlaq
D. Babur
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