Most 100 Environmental Questions and Answers pdf
Most 100 Environmental Questions and Answers pdf:- Today, we are sharing Most Important 100 Environmental Questions and Answers pdf for UPSC Exam. This Most Important 100 Environmental Questions and Answers pdf for UPSC Exam can prove to be important for the preparation of upcoming government exams like SSC CHSL, GATE, SSC CGL, BANK, RAILWAYS, RRB NTPC, LIC AAO, DRDO, FCI, DSSSB, RAS, UPSC, DDA, AAI, SSC JE, IES, UPSC, ALL STATE PDF EXAM, and many other exams. This Most Important 100 Environmental Questions and Answers pdf for UPSC Exam are very important for any government exam.
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Most Important Environment Question Answer
Q 1. The study of the relationship between the environment and
the living communities is called?
Answer – Ecology Visit Us On Sarkari Exam Easy
Q 2. Who was the first to study Ecology?
Answer – Ernst Hackel
Q 3. Who introduced firstly the Ecosystem word?
Answer – A.G. Tansley
Q 4. In which year the term Ecosystem was used first?
Answer – 1935
Q 5. Which are the two components of Ecology?
Answer – Biotic and Abiotic
Q 6. The transitional zones between two Ecosystems are called?
Answer – Ecotone
Q 7. Which are the two parts of the Ecosystem-based on habitat?
Answer – Terrestrial and Aquatic
Q 8. The still freshwater Ecosystem is called?
Answer – Lentic
Q 9. Moving freshwater Ecosystem is called?
Answer – Lotic
Q 10. The functional role of an organism in the Ecosystem is
Answer – Niche
Q 11. The biotic components in the ecosystem which make their
food self are called?
Answer – Producer
Q 12. The sustainable biotic group in the Ecosystem is called?
Answer - Ecotone (contagion)
Q 13. When the number of one species in an area exceeds other
communities are called?
Answer - Edge Effect
Q 14. In which region of the world has the most complex
Answer - Equatorial Region
Q 15. Where are the most stable Ecosystems found?
Answer - Ocean
Q 16. Who used the word Biodiversity firstly?
Answer - E.A.Nors (1980)
Q 17. Which one is the richest area of Biodiversity?
Answer - Tropical rainforest
Q 18. Which region is known as the storehouse of Biodiversity?
Answer - Tropical rainforest
Q 19. Which region has the highest productivity in the Aquatic
Answer - Tidal river Region
Q 20. The low productivity in the deep sea region is called?
Answer - Bio Desert
Q 21. Which area has the largest terrestrial life?
Answer - Savanna Region
Q 22. How many percentages of the world is occupied by the
Answer - 24%
Q 23. Herbivores animals are also called?
Answer - Primary consumer
Q 24. The first nutritional order includes.
Answer - Plants
Q 25. What is the percentage of energy transformation from one
nutritional order to another nutritional order in a food chain
Answer - 10% Visit Us On Sarkari Exam Easy
Q 26. Who is the scavenger of Nature?
Answer - Decomposer
Q 27. The region which is prosperous in biodiversity but their
habitat is on the edge of destruction, is called?
Answer - Hotspots
Q 28. How many hotspots are recognized in the world?
Answer - Nearly 30
Q 29. How many hotspot regions in India?
Answer - 4 Hotspots
Q 30. Which region is declared as the first Hotspot in India?
Answer - Western Ghats (Nilgiris region)
Q 31. An oceanic sensitive zone is called?
Answer - Hope spot
Q 32. What is the percentage of India’s contributions to global
Answer - 8%
Q 33. In which region of India biodiversity is mostly found?
Answer - Silent Valley (Kerala)
Q 34. Which gas is most responsible for global warming?
Answer - Carbon dioxide
Q 35. Which gases are responsible for the Greenhouse effect?
Answer - CO2, CH4, N2O, CFC
Q 36. Which summit is known as the Greenhouse summit?
Answer - Kyoto Protocol
Q 37. Montreal agreement (1987) is related to?
Answer - Ozone protection
Q 38. In which sphere of atmosphere the Ozone layer is situated?
Answer - Stratosphere (20-35Km)
Q 39. Who discovered the Ozone hole firstly?
Answer - Forman (1985)
Q 40. Which gas is the most effective for Ozone depletion?
Answer - CFC (Chlorofluorocarbon)
Q 41. What is the main source of CFC gas?
Answer - Refrigerators
Q 42. In which region does the ozone hole is maximum expanded?
Answer - Over Antarctica.
Q 43. The Ramasar treaty is related to?
Answer – wetlands protection
Q 44. River pollution level is measured by?
Answer - BOD (Biochemical Oxygen Demand)
Q 45. List of endangered creatures and plants is published?
Answer - In Red Data Book
Q 46. What is the total organic matter present in an ecosystem
Answer - Biomass
Q 47. Which chemical is responsible for Acid rain?
Answer - SO2 & NO2
Q 48. What should be the intensity of sound permitted regarding
the safe noise level for a city?
Answer - 45db
Q 49. Where was the Ramasar treaty held?
Answer - Iran
Q 50. Which region is called the lungs of the world?
Answer - Amazon Basin
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Most Important Environment Question Answer
Q 51. How many Biospheres Reserves in India?
Answer - 18 Biospheres
Q 52. Which one was the first Biosphere Reserve in India?
Answer - Nilgiri Biosphere
Q 53. Which was the first biosphere of India that was included in
the UNESCO World Network?
Answer - Nilgiri Biosphere Reserve
Q 54. Which is the latest biosphere reserve of India included by
UNESCO in the world network?
Answer - Kanchenjunga
Q 55. How many of India’s biosphere reserves are included in the
UNESCO World network?
Answer - 11 biosphere reserves of India
Q 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.
Q 57. Which River is called Coal carrying river?
Answer - Rhine River
Q 58. Which country is called Country of Lakes?
Answer - Finland
Q 59. What are the main objectives of the Kyoto Protocol (1997)
Answer - Control of Greenhouse gases and Global Warming
Q 60. In which summit ‘Agenda-21’ was passed?
Answer - First Earth Summit 1992.
Q 61. In which field is the Global 500 award presented?
Answer - To protect the environment
Q 62. What do you mean by EcoMark?
Answer - Environmental friendly
Q 63. What is the reason for the yellowness of the Taj Mahal?
Answer - Acid rain
Q 64. Stone cancer is related to?
Answer - Taj Mahal Erosion
Q 65. Where is the Himalayan National Park, which was declared a
World Heritage Sites by UNESCO?
Answer - Himachal Pradesh
Q 66. In which year the Environmental Protection Act was passed
Answer - 1986
Q 67. Which international organization publishes Red data books?
Answer - IUCN (International Union for Conservation of Nature)
Q 68. When did Project Tiger was launched?
Answer - 1973
Q 69. Which was the first national park of India?
Answer - Jim Corbett National Park
Q 70. Where is Jim Corbett National Park located?
Answer - Uttarakhand
Q 71. The only national park in India, where wild donkeys are
Answer - Gir National Park (Gujarat). It is also famous for Lions.
Q 72. Where is the Nanda Devi Bio-Reserve located?
Answer - Uttarakhand
Q 73. Which tree is considered the terrorist of ecology?
Answer - Eucalyptus
Q 74. According to the National Forest Policy, what should be the
mandatory percentage of land use for forests in the country?
Answer - 33%
Q 75. According to the National Forest Policy, which physical
regions should have more quantity of forests?
Answer - Mountainous region
Q 76. Where is the National Environmental Research Center of
Answer - Nagpur
Q 77. What is the cause of Minamata disease?
Answer - Mercury
Q 78. What percentage of the solar energy coming into the
Biosphere is utilized in photosynthesis?
Answer - Less than 1%
Q 79. International Biodiversity Day is celebrated?
Answer - 22 May
Q 80. Which international organization declares the protected
areas of the biosphere?
Answer - UNESCO Visit Us On Sarkari Exam Easy
Q 81. Coral bleaching is the course of?
Answer - Global Warming
Q 82. Eutrophication is related to?
Answer - Water Pollutions
Q 83. Which river of India is known as the bio desert due to more
Answer - Damodar River Visit Us On Sarkari Exam Easy
Q 84. What is called the high temperature in the town centre?
Answer - Heat Island
Q 85. In which climate situations Laterite soil is developed?
Answer - Warm and Humid Climate
Q 86. What is the percentage of India’s forest cover?
Answer - 24.57%
Q 87. Which chemical is used for artificial rains?
Answer - Silver Iodide
Q 88. When did the Gangs Action Plans Phase -1 started in India?
Answer - 14 June 1986
Q 89. Which state of India covered the highest forest areas?
Answer - Madhya Pradesh
Q 90. Which state of India has the highest forest in percentage?
Answer - Mizoram (85.4%)
Q 91. World Environment Day is celebrated?
Answer - 5 June. Visit Us On Sarkari Exam Easy
Q 92. When did World Environment Day celebrate firstly?
Answer - 5 June 1974
Q 93. In which conference, June 5 was announced to be celebrated
as Environment Day?
Answer - Stockholm Conference
Q 94. When was the Stockholm conference held?
Answer - 1972
Q 95. Where was the first earth summit held?
Answer - Rio-de-Janeiro (Brazil)
Q 96. When was the first earth summit organized?
Answer - 1992
Q 97. When does International Earth Day celebrate?
Answer - 22 April
Q 98. Which types of disaster are almost possible in dam areas?
Answer - Earthquake
Q 99. What is the main cause of soil degradation in irrigated areas?
Answer - Gully erosion
Q 100. Which gas absorbs Ultraviolet rays in the Atmosphere?
Answer - Ozone
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