Quiznetik

Environmental Science | Set 1

1. In an ecotone, the species which become abundant are called:

Correct : A. Edge species

2. The objective of Environment studies is

Correct : D. All of the above

3. Which of the following is not influenced by human activities?

Correct : D. None of the above

4. Which of the following is management option for air pollution?

Correct : D. All of these

5. Development activities on the hydrosphere cause

Correct : C. Water pollution

6. The species restricted to be present in one region are called

Correct : B. Endemic species

7. The basic requirements of human beings are provided by

Correct : C. Nature

8. Environment is the life support system that includes

Correct : D. All of the above

9. The term ‘Environment’ has been derived from the French word which means to encircle or surround

Correct : A. Environ

10. Biosphere is

Correct : B. The thin shell of organic matter on the surface of the earth comprising of all the living things

11. Atmosphere consists of 79 percent Nitrogen and 21 percent Oxygen by

Correct : B. Weight

12. The word ‘Environment’ is derived from

Correct : B. French

13. Which among the following is a climatic factor?

Correct : D. all of the above

14. World environment day is on:

Correct : B. 5th June

15. Which of the following are major environmental issues involved in mining?

Correct : D. all of the above

16. Sustainable development means

Correct : C. balance between human needs and the ability of earth to provide the resources

17. The most important remedy to avoid negative impact due to industrialization is

Correct : C. industry should treat all the wastes generated by it before disposal

18. Sustainable development will not aim at

Correct : C. Development that meets the needs of the present without compromising the needs of future generations to meet their own needs

19. The adverse effect of modern agriculture is

Correct : B. Soil degradation

20. Soil erosion removes surface soil which contains

Correct : A. Organic matter

21. Water logging is a phenomenon in which

Correct : B. Soil root zone becomes saturated due to over irrigation

22. The impact of construction of dams

Correct : D. All of the above

23. What would you do to prevent environmental damage

Correct : D. All of the above

24. Environmental impact assessment

Correct : B. is a study of bio-physical characteristics of the environment that may result from a human action

25. Which of the following is the most environmental friendly agricultural practice?

Correct : C. Organic farming

26. A herbivore is also known as a

Correct : B. First order consumer

27. A product of photosynthesis is

Correct : C. Oxygen

28. Primary source of energy in a food web is/are

Correct : B. Sun

29. A group of living organisms of the same kind living in the same place and at the same time refers to a

Correct : C. Population

30. Which of these organisms has a diet consisting only of plant matter

Correct : C. Herbivores

31. The true end of any food chain is the

Correct : A. Decomposer

32. The second trophic level in a lake is

Correct : B. Zooplanktons

33. Which of the following can act as a pioneer species in a xerach succession

Correct : A. Lichens

34. Energy flow in an ecosystem is

Correct : C. Multidirectional

35. Which of the following is an example of a man-made ecosystem

Correct : C. Aquarium

36. Pyramid of energy in a pond ecosystem is always

Correct : B. Upright

37. If in a population, natality is balanced by mortality, then there will be

Correct : C. Zero population growth

38. In a pyramid of numbers in grassland ecosystems, the largest population is that of

Correct : A. Herbivores

39. Which of these belong to the category of primary consumers in grazing food chain

Correct : D. Cow and rabbit

40. The pyramid of energy is always upright for any ecosystem, this situation indicates that

Correct : D. Energy conversion efficiency is same at all trophic levels

41. Which of the ecological pyramid is always upright

Correct : C. Pyramid of energy

42. Which one of the following is not a gaseous biogeochemical cycle

Correct : D. Phosphorus cycle

43. Deserts, grasslands, forests and tundra regions are the examples of

Correct : C. Ecosystems

44. The upright pyramid of numbers is absent in

Correct : D. Forests

45. The final stable community in ecological succession is

Correct : A. Climax

46. Mass of living matter at a trophic level in an area at any given time is called

Correct : B. Standing crop

47. Hydrarch succession takes place in

Correct : C. Wetter areas

48. Which of the following is a fossil fuel?

Correct : B. Coal

49. Which of the following is not an inexhaustible form of energy?

Correct : C. Solar

50. Biogas contains mainly

Correct : A. Methane

51. The burning of fossil fuels releases a large amount of

Correct : B. Sulphur into air

52. A poisonous gas given out of a vehicle exhaust is

Correct : D. Carbon monoxide

53. The purest form of coal is

Correct : C. Peat

54. Which one of the following is used as a refrigerant?

Correct : A. Freon

55. Loss of forest has led to

Correct : D. All of the above

56. What are the consequences of excessive mining in an area?

Correct : D. All of the above

57. Resources which are directly derived from nature are referred to as

Correct : B. Natural resources

58. Resources that take too long a period of time to be used as a resource are called as

Correct : D. Inexhaustible resource

59. The fossil fuel that is derived from the dead remains of plants that grew some 250 million years ago is

Correct : C. Coal

60. A resource that cannot be replaced in a reasonably short time is usually referred to as

Correct : B. Non-renewable

61. Manmade resources are alternative to natural resources for a variety of reasons. Which of these would not be one of those?

Correct : C. They are made from renewable resources

62. Which of these is not a fossil fuel?

Correct : D. Uranium

63. A liquid fuel that was formed from the ancient remains of sea plants and animals is

Correct : B. Petroleum

64. Energy in the rays from the sun is called

Correct : A. Solar energy

65. Which is a list of renewable resources?

Correct : D. Hydropower, solar, wind energy

66. Energy from the heat inside the earth is

Correct : B. Geothermal

67. A coal deposit that is not economical to mine today would be considered part of our ___________

Correct : A. Coal reserves

68. Which out of the following are the causes of soil erosion?

Correct : D. All of the above

69. The process of restoring forests that once existed but was removed at some time in the past is known as

Correct : B. Reforestation

70. Red data book contains data of

Correct : C. Threatened species

71. IUCN Headquarters is at

Correct : A. Morges, Switzerland

72. Which of the following regions has the maximum diversity?

Correct : D. Coral reefs

73. The most important reason for decrease in biodiversity is

Correct : C. Habitat destruction

74. Dodo is

Correct : C. Extinct species

75. Blue whale is placed under

Correct : A. Endangered

76. Conservation within the natural habitat is

Correct : B. In-situ conservation

77. Which one of the following is not included under in situ conservation?

Correct : A. Zoo

78. Ex-situ conservation includes

Correct : D. All of the above

79. Hotspots are regions of high

Correct : C. Diversity

80. Endemic species are

Correct : B. Species localized in a specific region

81. Which one of the following has the maximum genetic diversity in India?

Correct : C. Mango

82. Which one of the following regions in India is a hotspot of biodiversity?

Correct : B. Western Ghats

83. Darwin’s finches are a good example of

Correct : B. Adaptive radiation

84. Which group of vertebrates comprises of highest number of species

Correct : B. Fishes

85. 5th June is observed as

Correct : A. World environment day

86. The unfavorable alteration of environment by human activities is termed as

Correct : B. Ecological degradation

87. Biogas contains mainly

Correct : B. Methane

88. Main source of acid rain is

Correct : A. Sulphur dioxide

89. Treated water can be disinfected by adding

Correct : C. Chlorine

90. The burning of fossil fuels releases large amount of

Correct : B. Sulphur

91. Which of the following does not causes air pollution when used for heating purposes

Correct : D. Solar energy

92. A pH of rainwater is

Correct : A. 5-6

93. A poisonous gas given out of vehicles exhaust is

Correct : A. Carbon monoxide

94. A common bactericide used in swimming pools is

Correct : A. Chlorine

95. Greenhouse effect is linked to

Correct : C. Carbon dioxides

96. Disposable glasses and plates are made up of

Correct : D. Polypropylene

97. Aerosols consisting of solid particles produced by combustion

Correct : B. Smog

98. Which of the following are consequences of ozone depletion

Correct : A. Skin cancer and cataract

99. Which out of the following is a measure to control air pollution

Correct : D. All of the above

100. The discharge of warm/hot water directly into rivers is known as

Correct : B. Thermal pollution