46. Even when water is available in many cities in abundance why is there water scarcity?
(a) Using to utility
(b) Unequal distribution of water
(c) Default in technical areas
(d) Lack of infrastructure for proper distribution
47. Who is the largest consumer of water?
(a) City dwellers
48. How can we revolutionise agriculture?
(a) By building dams
(b) By releasing more water
(c) By making rainwater reserves
(d) Through developing drought resistant crops and dry farming techniques
49. Most farmers own wells and tube wells and their farms for irrigation to increase their
production, what adverse effect can this have?
(a) Falling groundwater levels, adversely affecting water availability
(b) Imbalance in minerals for soil
(c) Unequal distribution of water
(d) Could be technical defaults
50. Post-independence India witnessed intensive _____________.
(b) economic problems
(c) industrialization and urbanization
51. How did the increasing number of industries affect the water condition?
(a) No effect on water
(b) Pressure on existing freshwater
(c) Balance between use of water and industry
(d) Unequal distribution of water
52. In India hydroelectric power contributes approximately ___________ percent of the total
53. Which factors have aggravated the water and energy problems in India?
(a) Multiplying urban centers
54. How are most of the housing societies or colonies in the cities resourcing their water needs?
(a) City water works
(b) Own groundwater pumping devices
(c) Community water pumps
(d) Individual motors
55. Even if there is ample amount of water in certain places there is hazardous water pollution,
what are the causes?
(a) Domestic and industrial wastes
(b) Wastage of water
(c) Over storage
(d) Community water pumps
56. What are the causes for the Indian rivers to become toxic?
(c) Conservation of water
57. What are the important things to do to prevent degradation of our natural ecosystems?
(c) Conserve and manage our water resources to safeguard ourselves from health hazards
(d) Modern agriculture
58. What will impoverish this water resource and cause an ecological crisis that may have a
profound impact on our lives?
(b) Modern agriculture
(d) Over exploitation and mismanagement of water resources
59. What is a barrier across flowing water that obstructs, directs or retards the flow, often creating
a reservoir, lake or impoundment?
60. What is the purpose of building dams?
(a) For embankment
(b) Flood control
(d) Water animals’ conservation