Environmental Studies Multiple Choice Questions and Answers

41. The most important organisms of an ecosystem are

1. Herbivores
2. Producers
3. Carnivores
4. Protozon

42. The subsurface sources of water is

1. River
2. Dug well
3. Stream
4. Ocean

43. The sudden increase in the population of the species is

1. population growth
2. population explosion
3. over population
4. all above

44. The TAJ MAHAL at AGRA may be damaged by

1. sulphur dioxide
2. chlorine
3. hydrogen
4. oxygen

45. The term Environment is derived from an old French word enviro means

1. Outside
2. Surroundings
3. Inside
4. Biotic community

46. The three major living components of an ecosystem are

1. Producers, consumers and Decomposers
2. Producers, Autotrophs and Decomposers
3. Heterotrophs, Consumers and Reducers
4. Detritivores, Consumers and Phototrophs

47. Which of the following is not a method of water conservation

1. rain water harvesting
2. ground water extraction
3. improving irrigation efficiency
4. avoiding water wastage

48. Which of the following statement about the forest is not correct

1. Forest reduces soil erosion
2. Provides recreational opportunities
3. Provides economic development
4. None of the above

49. Word oikos means.............and logos means..............

1. Houses and study of
2. Study and houses
3. Only houses
4. Study of people

50. Zone consisting air, water and soil is known as

1. Hydrosphere
2. Atmosphere
3. Lithosphere
4. Biosphere