QUIZ: UGC NET Paper 2 (Env Science)

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

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

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

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

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

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

7. Avalanches can be triggered by:

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

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

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

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

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

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

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

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

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

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

I. High species richness

II. High endemism

III. Significant habitat loss

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

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

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

21. Gravimetric analysis relies on the measurement of:

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

23.

Eutrophication in lakes is primarily caused by excessive input of:

1. Nitrogen

2. phosphorus

3.  Carbon dioxide

4. Heavy metals

5. Pesticides

24.

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

25. If s² is the variance of a sample of size N drawn from a normal population with variance σ, then  Ns²/σ² has which one of the following distribution with (N-1) degrees of freedom ?

26. Flood mitigation strategies include:

27. The Kjeldahl method is used to determine:

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

29. What is the difference between sterilization and disinfection?

30. 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.

31.

Which type of radiation is most harmful to living organisms?

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

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

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

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

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

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

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

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

40. Which type of cloud this is

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

42. Which GPCD utilizes microorganisms to degrade pollutants?

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

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

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

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

47. Landslide susceptibility maps are used to:

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

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

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

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

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

53. In paper chromatography, the stationary phase is:

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

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

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

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

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

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

60. 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 🙂

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

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

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

64. The rhizosphere is characterized by:

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

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

67. “Downcycling” of plastic waste refers to:

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

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

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

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

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

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

74. The Coriolis effect plays a significant role in:

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

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

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

78. 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.

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

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

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

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

83. 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.

84. Early warning systems for tsunamis rely primarily on:

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

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

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

88. 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?

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

90. Quorum sensing in bacteria is primarily mediated by:

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

92. The  Indian regional satellite navigation  system known as

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

94. The “intermediate disturbance hypothesis” suggests that:

95. The Richter scale measures an earthquake’s:

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

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

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

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

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