Quiz Environmental Science

QUIZ: UGC NET Paper 2 (Env Science)

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Quiz Environmental Science

Environmental Science Complete Quiz

100 Questions

1 / 100

1. The effectiveness of a biofilter for removing a specific gaseous pollutant depends primarily on:

2 / 100

2. The “Keeling Curve” is a graph that shows the variation of:

3 / 100

3. The Mercalli Intensity Scale measures an earthquake based on:

4 / 100

4. Quorum sensing in bacteria is primarily mediated by:

5 / 100

5. Which of the following is NOT a primary macronutrient for plant growth?

6 / 100

6. The use of anthropoid hazard chemicals like DDT causes reduction in fish population
because the chemical mimics the effect of

7 / 100

7. Identify the correct statements about sampling theory:

I. A sample is a subset of a population.

II. Random sampling ensures every member of the population has an equal chance of being selected.

III. The larger the sample size, the lower the sampling error.

8 / 100

8. The concept of “environmental justice” in the context of air pollution refers to:

9 / 100

9. Which of the following is NOT a primary mechanism by which microbes contribute to soil aggregate formation?

10 / 100

10. In flood risk assessment, the term “100-year flood” refers to:

11 / 100

11. The “greenhouse effect” is primarily caused by:

12 / 100

12. In a dry scrubber system, the sorbent material typically reacts with the pollutant gas to form:

13 / 100

13. Identify the correct statements about biodiversity:

I. Biodiversity hotspots are regions with high species richness and endemism.

II. The Convention on Biological Diversity (CBD) is an international treaty aimed at conserving biodiversity.\

III. In-situ conservation involves preserving species in their natural habitats.

14 / 100

14. When modeling pollutant dispersion in a river, what key assumption does the Plug Flow Reactor (PFR) model make about mixing?

15 / 100

15. Which of the following is an example of a symbiotic relationship between a microbe and a plant?

16 / 100

16. In paper chromatography, the stationary phase is:

17 / 100

17. Early warning systems for tsunamis rely primarily on:

18 / 100

18. The “A” value in soil fertility refers to:

19 / 100

19. Which of the following techniques does NOT involve the use of X-rays?

20 / 100

20. Which soil structure is most desirable for plant growth?

21 / 100

21. Which type of cloud this is

22 / 100

22. An urban area generates 1000 tons of municipal solid waste (MSW) per day, and the waste has an average energy content of 10 MJ/kg. If a waste-to-energy plant can convert 25% of this energy into electricity, how much electricity (in MWh) can be generated daily?

23 / 100

23. Flame photometry is most suitable for the quantitative determination of:

24 / 100

24. In an ESP, the phenomenon of “back corona” is caused by:

25 / 100

25. The power coefficient (Cp) of a wind turbine is defined as the ratio of:

26 / 100

26. The Saffir-Simpson Hurricane Wind Scale categorizes hurricanes based on:

27 / 100

27. Gas chromatography (GC) separates components based on their:

28 / 100

28. The “Law of the Minimum” in plant nutrition states that:

29 / 100

29. When conducting jar tests for flocculation studies, what is counted to assess the process?

30 / 100

30. Which type of solar cell has the highest efficiency?

31 / 100

31. The power output of a photovoltaic module is most sensitive to changes in:

32 / 100

32. The phenomenon of industrial smog is primarily associated with which type of pollution?

33 / 100

33. The “breakthrough point” in an adsorber refers to:

34 / 100

34. Landslide susceptibility maps are used to:

35 / 100

35. Which of the following factors does NOT directly influence the rate of pollutant generation in a water body?

36 / 100

36.

Which of the following is an example of a non-point source of pollution?

37 / 100

37. The “informal sector” in waste management refers to:

38 / 100

38. Which remote sensing technique uses sound waves to map the ocean floor?

39 / 100

39. Which GPCD is MOST effective at removing highly soluble acidic gases like hydrogen chloride (HCl)?

40 / 100

40. Which of the following is NOT a common type of reagent used in flue gas desulfurization (FGD) systems?

41 / 100

41. Biomagnification of persistent organic pollutants (POPs) in food webs primarily affects:

42 / 100

42. Theย  Indian regional satellite navigationย  system known as

43 / 100

43. The primary role of fungi in the biogeochemical cycling of phosphorus is:

44 / 100

44. The “intermediate disturbance hypothesis” suggests that:

45 / 100

45. The Coriolis effect plays a significant role in:

46 / 100

46. “Producer Responsibility Organizations” (PROs) are primarily involved in:

47 / 100

47. The concept of “zero waste” aims to:

48 / 100

48. What is the difference between sterilization and disinfection?

49 / 100

49. X-ray fluorescence (XRF) is best suited for the analysis of:

50 / 100

50. Assertion (A): The use of genetically modified organisms (GMOs) in agriculture is a controversial topic.

Reason (R): There are concerns about the potential environmental and health impacts of GMOs.

51 / 100

51. Which of the following is NOT a type of tidal energy system?

52 / 100

52. The concept of “biodiversity hotspots” includes areas with:

I. High species richness

II. High endemism

III. Significant habitat loss

53 / 100

53. Which of the following is NOT a factor influencing soil organic matter decomposition?

54 / 100

54. Which of the following is NOT a precursor to a volcanic eruption?

55 / 100

55.

Which type of radiation is most harmful to living organisms?

56 / 100

56. Scanning electron microscopy (SEM) provides information on:

57 / 100

57. Which of the following is an example of a biological weathering process?

58 / 100

58. In anaerobic digestion, the conversion of volatile fatty acids (VFAs) to methane is primarily carried out by:

59 / 100

59. Which of the following gaseous pollutant control devices is NOT suitable for removing nitrogen oxides (NOx)?

60 / 100

60. A baghouse is experiencing a rapid increase in pressure drop across the filter bags. What is the MOST likely cause?

61 / 100

61. How does the Earth’s radiation balance contribute to the greenhouse effect?

62 / 100

62. The cation exchange capacity (CEC) of a soil is highest in:

63 / 100

63. In the Munsell color system, soil hue of 5YR indicates:

64 / 100

64. Which of the following diversity indices best captures species turnover across habitats?

65 / 100

65. Which of the following is NOT a type of solar thermal storage system?

66 / 100

66. The primary challenge in the design of solar ponds for electricity generation is:

67 / 100

67. Which GPCD utilizes microorganisms to degrade pollutants?

68 / 100

68. Which of the following is NOT a common method for identifying microorganisms?

69 / 100

69. Which type of geothermal power plant is most suitable for areas with low-temperature geothermal resources?

70 / 100

70. Inductively coupled plasma (ICP) techniques offer the following advantages:

71 / 100

71. Flood mitigation strategies include:

72 / 100

72. In an Ocean Thermal Energy Conversion (OTEC) system, the working fluid typically has:

73 / 100

73. What is the primary limitation of using steady-state models for environmental systems?

74 / 100

74. The Richter scale measures an earthquake’s:

75 / 100

75. The “Great Pacific Garbage Patch” is primarily composed of:

76 / 100

76. Which type of seismic wave is the fastest and first to arrive at a seismograph station?

77 / 100

77. In the context of climate change, “radiative forcing” refers to:

78 / 100

78. Avalanches can be triggered by:

79 / 100

79. Which of the following is a crucial factor in avalanche formation?

80 / 100

80. The rhizosphere is characterized by:

81 / 100

81. Gravimetric analysis relies on the measurement of:

82 / 100

82. Which soil horizon is often referred to as “subsoil”?

83 / 100

83. Which of the following is NOT a type of chromatography?

84 / 100

84. The process of converting atmospheric nitrogen gas into ammonia by bacteria is called:

85 / 100

85. Why is the detection of pathogens like Giardia and Cryptosporidium challenging in water testing?

86 / 100

86.

Eutrophication in lakes is primarily caused by excessive input of:

  1. Nitrogen

  2. phosphorus

  3. ย Carbon dioxide

  4. Heavy metals

  5. Pesticides

87 / 100

87. The “Cradle-to-Cradle” approach to waste management emphasizes:

88 / 100

88. If sยฒ is the variance of a sample of size N drawn from a normal population with variance ฯƒ, thenย  Nsยฒ/ฯƒยฒ has which one of the following distribution with (N-1) degrees of freedom ?

89 / 100

89. A coal-fired power plant releases 1000 kg of sulfur dioxide (SO2) per day. Given that the atomic weight of sulfur is 32 g/mol and oxygen is 16 g/mol, what is the molar mass of SO2? (EASY HAI ๐Ÿ™‚

90 / 100

90. The Kjeldahl method is used to determine:

91 / 100

91. Which law of thermodynamics explains the concept of energy degradation?

92 / 100

92. Which particulate control device is MOST suitable for capturing submicron particles with high efficiency in a high-temperature industrial process?

93 / 100

93. Which soil order is associated with volcanic parent material?

94 / 100

94. “Downcycling” of plastic waste refers to:

95 / 100

95. What is the primary electron acceptor in dissimilatory metal reduction?

96 / 100

96. Pyrolysis and gasification are thermal treatment processes primarily used for:

97 / 100

97. Which type of baghouse filter media is most suitable for high-temperature applications?

98 / 100

98. A key disadvantage of geothermal energy compared to other renewable sources is:

99 / 100

99. Which GPCD is known for its ability to simultaneously remove both particulate and gaseous pollutants?

100 / 100

100. Fourier transform infrared (FTIR) spectroscopy is primarily used to identify:

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