Environmental Science Previous questions and answers

 Module 1- Resources

Chapter 1-Introduction

1. Different types of resources ➡➡➡ (click for answer)
2. Difference between renewable
    and non-renewable resources➡➡➡ 
3. Role of individuals in conservation
    of natural resources➡➡➡

Chapter 2-Forest resource

4. Importance of forests➡➡➡
    functions of the forests-Productive 
    function and Protective function
5. Cause and effect of deforestation➡➡➡
6. Global warming➡➡➡ 

 

Chapter 3-Water resource

 

7.   Importance of water as a resource➡➡➡
8.   Hydrological cycle➡➡➡
9.   Fresh water sources➡➡➡
10. Problems due to over exploitation➡➡➡
      of water
11. Flood, draught and desertification➡➡➡
12. Rain water harvesting➡➡➡
13. Water conservation in agricultural practices➡➡➡
14. Advantages and disadvantages of dams➡➡➡ 

Chapter 4-Mineral resources

15. Different types of minerals➡➡➡
16. Impacts of mining➡➡➡

Chapter 5-Food resources

17. Importance of food resources➡➡➡
18. Reasons for global food crisis➡➡➡ 
19. Merits and demerits of modern agricultural practices➡➡➡
20. Salinity, waterlogging, eutrophication➡➡➡

Chapter 6-Land resources

21. Importance of land resources➡➡➡
22. Causes/effects of land degradation➡➡➡
23. Soil erosion-Causes, effects and control measures➡➡➡

Chapter 7- Energy Resources

24. Explain about the various alternate energy resources
       a) Solar Energy➡➡➡
       b) Biomass Energy➡➡➡
       c) Nuclear Energy➡➡➡
       d) Alternate Energy➡➡➡
 

Module 2-ECOSYSTEM 

25. Ecosystem➡➡➡
26. Types of ecosystem➡➡➡
27. Difference- Natural and artificial ecosystem ➡➡➡
28. Explain the characteristics of an ecosystem
        i)  Structure of ecosystem➡➡➡
        ii) Function of ecosystem➡➡➡
29. Components of ecosystem➡➡➡
30. Food chain➡➡➡
31. Food web➡➡➡
32. Ecological Succession➡➡➡
33. Bio magnification➡➡➡ 
34. Bio diversity➡➡➡
35. Estuary➡➡➡
36. Biome➡➡➡
37. Ecological pyramid and types➡➡➡
38. Structure of forest ecosystem➡➡➡
39. Structure of grass land ecosystem➡➡➡
40. Structure of aquatic ecosystem➡➡➡
41. Structure of desert ecosystem➡➡➡

Module 3 - POLLUTION

41. Define pollution➡➡➡
42.Over exploitation of natural resource➡➡➡
43. Air pollution➡➡➡   
44. Causes of air pollution➡➡➡
45. Sources of air pollution➡➡➡
46. Effects of air pollution➡➡➡
47. Control measures of air pollution➡➡➡
48. Control devices for air pollution➡➡➡
49. Acid rain➡➡➡
50. Smog➡➡➡
51. Ozone layer depletion➡➡➡
52. Water Pollution➡➡➡
53. Causes of water pollution➡➡➡            
54. Sources of water pollution➡➡➡
55. Effects of water pollution➡➡➡
56. Control measures of water pollution➡➡➡
57. Water treatment methods➡➡➡
58. Causes/sources of noise pollution➡➡➡      
59. Effects of noise pollution➡➡➡
60. Control devices for noise pollution➡➡➡
61. Causes of marine oil pollution➡➡➡
62. Control measures of oil pollution➡➡➡
63. Causes/sources of thermal pollution➡➡➡
64. Radio active/nuclear pollution➡➡➡
65. Causes of radio active pollution➡➡➡
66. Effects of radio active pollution➡➡➡
67. Control measures- nuclear pollution➡➡➡
68. Solid waste- Cause and effects➡➡➡
69. Solid waste management➡➡➡
70. Solid waste treatment methods➡➡➡
71. EIA➡➡➡

Module-4-Disaster Management

72. Disaster➡➡➡
73. Hazard➡➡➡
74. Difference between hazard and Disaster➡➡➡
75. Vulnerability, risk and capacity➡➡➡
76. Disaster and development➡➡➡
77. Sources of chemical disaster➡➡➡
78. Environmental Stress➡➡➡
79. Disaster Management➡➡➡
80. Stages of disaster management➡➡➡
81. Mitigation➡➡➡
82. Hazard zone mapping➡➡➡
83. Land use zone mapping➡➡➡
84. Heat Island➡➡➡
85. Land slide➡➡➡
86. T- Sunami➡➡➡
87. Bhopal tragedy➡➡➡
88. Chernobyl disaster➡➡➡
89. Earth quake➡➡➡
90. Nuclear explosion➡➡➡
91. GIS, GPS & RS➡➡➡
92. Energy Resources ➡➡➡