Top 100 Environmental Questions and Answers pdf for Quiz

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Biodiversity:

Biodiversity refers to the variety of life forms, including plants, animals, and microorganisms, and the ecosystems in which they exist.
Biodiversity is essential for maintaining ecological balance, providing ecosystem services, and supporting human well-being.
Threats to biodiversity include habitat loss, climate change, pollution, invasive species, and overexploitation.
Climate Change:

Climate change refers to long-term shifts in temperature patterns and weather conditions on Earth, primarily caused by human activities, including the burning of fossil fuels, deforestation, and industrial processes.
Climate change leads to rising global temperatures, sea-level rise, altered precipitation patterns, and increased frequency and intensity of extreme weather events.
Mitigating climate change requires reducing greenhouse gas emissions, transitioning to renewable energy sources, and adopting sustainable practices.
Pollution:

Pollution is the introduction of harmful substances or contaminants into the environment, causing adverse effects on living organisms and ecosystems.
Common types of pollution include air pollution (from vehicle emissions, industrial processes, and burning of fossil fuels), water pollution (from industrial waste, agricultural runoff, and improper waste disposal), and soil pollution (from chemical pollutants and improper waste management).
Pollution control measures include the use of clean technologies, waste management strategies, and environmental regulations.
Deforestation and Habitat Loss:

Deforestation refers to the clearing of forests for various purposes, such as agriculture, logging, and urbanization.
Deforestation leads to habitat loss, loss of biodiversity, soil erosion, and contributes to climate change through the release of carbon dioxide.
Conservation efforts include sustainable forestry practices, reforestation initiatives, and protected area management.
Conservation and Sustainable Practices:

Conservation aims to protect natural resources, ecosystems, and species from degradation and extinction.
Sustainable practices involve using resources in a way that meets present needs without compromising the ability of future generations to meet their own needs.
Examples of sustainable practices include renewable energy adoption, waste reduction and recycling, water conservation, and sustainable agriculture.
Environmental Laws and Policies:

Governments enact environmental laws and policies to protect the environment, regulate pollution, promote conservation, and address climate change.
International agreements and organizations, such as the Paris Agreement and the United Nations Environment Programme (UNEP), play a crucial role in coordinating global efforts to address environmental challenges.
Environmental Education and Awareness:

Environmental education aims to raise awareness and knowledge about environmental issues and promote sustainable attitudes and behaviors.
It plays a vital role in empowering individuals and communities to make informed decisions and take action for environmental protection.
These are some key points about the environment. Environmental issues are complex and interconnected, requiring collective efforts from individuals, communities, governments, and organizations to address them effectively and ensure a sustainable future.

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Most Important Environmental Question Answer

1. The study of the relationship between the environment and the living communities is called?
Answer​ – ​Ecology ​

2. Who was the first to study Ecology?
Answer​ – ​Ernst Hackel

3. Who introduced firstly the Ecosystem word?
Answer​ – A.G. Tansley

4. In which year the term Ecosystem was used first?
Answer​ – 1935

5. Which are the two components of Ecology?
Answer​ – Biotic and Abiotic

6. The transitional zones between two Ecosystems are called?
Answer​ – Ecotone

7. Which are the two parts of the Ecosystem-based on habitat?
Answer​ – Terrestrial and Aquatic

8. The still freshwater Ecosystem is called?
Answer​ – Lentic

9. Moving freshwater Ecosystem is called?
Answer​ – Lotic

10. The functional role of an organism in the Ecosystem is called?
Answer​ – Niche

11. The biotic components in the ecosystem which make their food self are called?
Answer​ – Producer

12. The sustainable biotic group in the Ecosystem is called?
Answer​ -​ ​Ecotone (contagion​)

13. When the number of one species in an area exceeds other communities are called?
Answer​ -​ ​Edge Effect

14. In which region of the world has the most complex Ecosystem?
Answer​ -​ ​Equatorial Region

15. Where are the most stable Ecosystems found?
Answer​ -​ ​Ocean

16. Who used the word Biodiversity firstly?
Answer​ -​ ​E.A.Nors (1980)

17. Which one is the richest area of ​Biodiversity?
Answer​ -​ ​Tropical rainforest

18. Which region is known as the storehouse of Biodiversity?
Answer​ -​ ​Tropical rainforest

19. Which region has the highest productivity in the Aquatic Ecosystem?
Answer​ -​ ​Tidal river Region

20. The low productivity in the deep sea region is called?
Answer​ -​ ​Bio Desert

21. Which area has the largest terrestrial life?
Answer​ -​ ​Savanna Region

22. How many percentages of the world is occupied by the savanna region?
Answer​ -​ ​24%

23. Herbivores animals are also called?
Answer​ -​ ​Primary consumer

24. The first nutritional order includes.
Answer​ -​ ​Plants

25. What is the percentage of energy transformation from one nutritional order to another nutritional order in a food chain system?
Answer​ -​ ​10%

26. Who is the scavenger of Nature?
Answer​ -​ ​Decomposer

27. The region which is prosperous in biodiversity but their habitat is on the edge of destruction, is called?
Answer​ -​ ​Hotspots

28. How many hotspots are recognized in the world?
Answer​ -​ ​Nearly 30

29. How many hotspot regions in India?
Answer​ -​ ​4 Hotspots

30. Which region is declared as the first Hotspot in India?
Answer​ -​ ​Western Ghats (Nilgiris region)

31. An oceanic sensitive zone is called?
Answer​ -​ ​Hope spot

32. What is the percentage of India’s contributions to global biodiversity?
Answer​ -​ ​8%

33. In which region of India biodiversity is mostly found?
Answer -​ ​Silent Valley (Kerala)

34. Which gas is most responsible for global warming?
Answer​ -​ ​Carbon dioxide

35. Which gases are responsible for the Greenhouse effect?
Answer​ -​ ​CO2, CH4, N2O, CFC

36. Which summit is known as the Greenhouse summit?
Answer​ -​ ​Kyoto Protocol

37. Montreal agreement (1987) is related to?
Answer​ -​ ​Ozone protection

38. In which sphere of atmosphere the Ozone layer is situated?
Answer​ -​ ​Stratosphere (20-35Km)

39. Who discovered the Ozone hole firstly?
Answer​ -​ ​Forman (1985​)

40. Which gas is the most effective for Ozone depletion?
Answer​ -​ ​CFC (Chlorofluorocarbon)

41. What is the main source of CFC gas?
​Answer​ -​ ​Refrigerators

42. In which region does the ozone hole is maximum expanded?
Answer​ -​ ​Over Antarctica.

43. The Ramasar treaty is related to?
Answer​ – wetlands protection

44. River pollution level is measured by?
Answer​ -​ ​BOD (Biochemical Oxygen Demand)

45. List of endangered creatures and plants is published?

Answer​ -​ ​In Red Data Book

46. What is the total organic matter present in an ecosystem called?
Answer​ -​ ​Biomass

47. Which chemical is responsible for Acid rain?
Answer​ -​ ​SO2 & NO2

48. What should be the intensity of sound permitted regarding the safe noise level for a city?
Answer​ -​ ​45db

49. Where was the Ramasar treaty held?
Answer​ -​ ​Iran

50. Which region is called the lungs of the world?
Answer​ -​ ​Amazon Basin

51. How many Biospheres Reserves in India?
Answer​ -​ ​18 Biospheres

52. Which one was the first Biosphere Reserve in India?
Answer​ -​ ​Nilgiri Biosphere

53. Which was the first biosphere of India that was included in the UNESCO World Network?
Answer​ -​ ​Nilgiri Biosphere Reserve

54. Which is the latest ​biosphere reserve of India​ included by UNESCO in the world network?
Answer​ -​ ​Kanchenjunga

55. How many of India’s biosphere reserves are included in the UNESCO World network?
Answer​ -​ ​11 biosphere reserves of India

56. Which Indian river is known as the Green Soup?
Answer​ -​ ​Yamuna River is known as the Green soup between Delhi to Agra due to Pollution​.

57. Which River is called Coal carrying river?
Answer​ -​ ​Rhine River

58. Which country is called Country of Lakes?
Answer​ -​ ​Finland

59. What are the main objectives of the Kyoto Protocol (1997) agreement?
Answer​ -​ ​Control of Greenhouse gases and Global Warming

60. In which summit ‘Agenda-21’ was passed?
Answer​ -​ ​First Earth Summit 1992.

61. In which field is the Global 500 award presented?
Answer​ -​ ​To protect the environment

62. What do you mean by EcoMark?
Answer​ -​ ​Environmental friendly

63. What is the reason for the yellowness of the Taj Mahal?
Answer​ -​ ​Acid rain

64. Stone cancer is related to?
Answer​ -​ ​Taj Mahal Erosion

65. Where is the Himalayan National Park, which was declared a World Heritage Sites by UNESCO?
Answer​ -​ ​Himachal Pradesh

66. In which year the Environmental Protection Act was passed in India?

Answer​ -​ ​1986

67. Which international organization publishes Red data books?
Answer​ -​ ​IUCN​ (International Union for Conservation of Nature)

68. When did Project Tiger was launched?
Answer​ -​ ​1973

69. Which was the first ​national park of India​?
Answer​ -​ ​Jim Corbett National Park

70. Where is Jim Corbett National Park located?
Answer​ -​ ​Uttarakhand

71. The only national park in India, where wild donkeys are found?
Answer​ -​ ​Gir National Park (Gujarat​). It is also famous for Lions.

72. Where is the Nanda Devi Bio-Reserve located?
Answer​ -​ ​Uttarakhand

73. Which tree is considered the terrorist of ecology?
Answer​ -​ ​Eucalyptus

74. According to the National Forest Policy, what should be the mandatory percentage of land use for forests in the country?
Answer​ -​ ​33%

75. According to the National Forest Policy, which physical regions should have more quantity of forests?
Answer​ -​ ​Mountainous region

76. Where is the National Environmental Research Center of India located?
Answer​ -​ ​Nagpur

77. What is the cause of Minamata disease?
Answer​ -​ ​Mercury

78. What percentage of the solar energy coming into the Biosphere is utilized in photosynthesis?
Answer​ -​ ​Less than 1%

79. International Biodiversity Day is celebrated?
Answer​ -​ ​22 May

80. Which international organization declares the protected areas of the biosphere?
Answer​ -​ ​UNESCO ​ ​

81. Coral bleaching is the course of?
Answer​ -​ ​Global Warming

82. Eutrophication is related to?
Answer​ -​ ​Water Pollutions

83. Which river of India is known as the bio desert due to more Pollution?
Answer​ -​ ​Damodar River

84. What is called the high temperature in the town centre?
Answer​ -​ ​Heat Island

85. In which climate situations Laterite soil is developed?
Answer​ -​ ​Warm and Humid Climate

86. What is the percentage of India’s forest cover?
Answer​ -​ ​24.57%

87. Which chemical is used for artificial rains?
Answer​ -​ ​Silver Iodide

88. When did the Gangs Action Plans Phase -1 started in India?
Answer​ -​ ​14 June 1986

89. Which state of India covered the highest forest areas?
Answer​ -​ ​Madhya Pradesh

90. Which state of India has the highest forest in percentage?
Answer​ -​ ​Mizoram (85.4%)

91. World Environment Day is celebrated?
Answer​ -​ ​5 June​. ​

92. When did World Environment Day celebrate firstly?
Answer​ -​ ​5 June 1974

93. In which conference, June 5 was announced to be celebrated
as Environment Day?
Answer​ -​ ​Stockholm Conference

94. When was the Stockholm conference held?
Answer​ -​ ​1972

95. Where was the first earth summit held?
Answer​ -​ ​Rio-de-Janeiro (Brazil)

96. When was the first earth summit organized?
Answer​ -​ ​1992

97. When does International Earth Day celebrate?
Answer​ -​ ​22 April

98. Which types of disaster are almost possible in dam areas?
Answer​ -​ ​Earthquake

99. What is the main cause of soil degradation in irrigated areas?
Answer​ -​ ​Gully erosion

100. Which gas absorbs Ultraviolet rays in the Atmosphere?
Answer​ -​ ​Ozone

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