Q1. From the 200 houses, the net amount of rainwater harvested annually amounts to litres.
Q2. In Rajasthan what is rain water referred to as ?
Q3. Based on the information given below classify each of the situations as ‘suffering from water scarcity’ or ‘not suffering from water scarcity’.
Q4. How is rooftop rainwater filtered
Q5. Why is water scarcity mainly caused?
Q6. According to the hydrological cycle, how can freshwater be obtained?
Q7. Even when water is available in many cities in abundance why is there water scarcity?
Q8. What is the largest consumer of water?
Q9. How can we revolutionise Water Resources?
Q10. Most farmers own wells and tube-wells in their farms for irrigation to increase their produce, what adverse effect can this have?
Q11. Post-independent India witnessed intensive………………….
Q12.How did the increasing number of industries affect the water condition?
Q13. In India hydroelectric power contributes approximately 22 percent of the total electricity produced.
Q14. What factors have aggravated the water and energy problems in India?
Q15. How are most of the housing societies or colonies in the cities resourcing their water needs?
Q16. Even if there is ample amount of water in certain places there is hazardous water pollution, what are the causes?
Q17. What are the causes of the Indian rivers becoming toxic?
18. What are the important things to do to prevent degradation of our natural ecosystems?
Q19. What will impoverish this resource and cause an ecological crisis that may have a profound impact on our lives?
Q20. What is a barrier across flowing water that obstructs, directs or retards the flow, often creating a reservoir, lake or impoundment?
Q21. What is the purpose of building dams?
Q22. Name a multi-purpose projects which are used for hydel power production and irrigation
Q23. Which dam integrates conservation of water with flood control?
Q24. Jawaharlal Nehru proudly proclaimed the dams as the ………………
Q25. Why did Jawahar lal Nehru call dams the temples of India?
Q26. Why have multi-purpose projects and large dams come under great scrutiny and opposition recently?
Q27. Multi-purpose projects and large dams have also been the cause of many new environmental movements like ……….
Q28. How did the Multi-purpose projects affect the local people?
Q29. Who benefitted from the multipurpose projects?
Q30. Narmada Bachao Andolan or Save Narmada Movement originally focussed on ……...
Q31. Which is the largest water resource project of India covering four states ?
Q32.Which states does it cover?
Q33. Irrigation has also changed the cropping pattern of many regions with farmers shifting to water intensive and commercial crops. This has great ecological consequences for the soil, What is it?
Q34. What reaction did the farmers at Sabarmati-basin farmers have?
Q35. The release of water from dams during heavy rains aggravated the flood situation in Maharashtra and Gujarat in the year ………
Q36. What was the effect of these floods?
Q37. In ancient India, along with the sophisticated hydraulic structures, there existed an extraordinary tradition of a water-harvesting system, What efforts were made?
Q38. In hill and mountainous regions, people built diversion channels like ……
Q39. What was the traditional practice to store drinking water, particularly in Rajasthan?
Q40. What was the traditional practice in the flood plains of Bengal, for irrigation?
Q41. What was the practice in ‘khadins’ in Jaisalmer and ‘Johads’ in other parts of Rajasthan?
Q42. In the semi-arid and arid regions of Rajasthan, particularly in Bikaner, Phalodi and Barmer, where was drinking water stored?
Q43. In which other places is Rooftop rainwater harvesting common other than Rajasthan?
Q44. In Spite of the fact that today plenty of water is available due to the perennial Indira Gandhi Canal in Rajasthan, why do many homes still prefer the tanka system ?
Q45. Which state is the first state in India which has made rooftop rainwater harvesting structure compulsory to all the houses across the state?
Q46. In which state is the 200-year-old system of tapping stream and spring water by using bamboo pipes still prevalent?
Q47. Which one of the following statements is not an argument in favour of multipurpose river projects?
Q48. Shillong faces acute shortage of water. Nearly every household in the city has a rooftop rainwater harvesting structure. Nearly ……….per cent of the total water requirement of the household comes from rooftop water harvesting.
Q49. In which place in Karnataka the people have installed, in their household’s rooftop, rainwater harvesting system to meet their water needs. Nearly 200 households have installed this system?
Q50. In Gendathur, Mysuru every house can collect and use about 50,000 litres of water annually?