問題一覧
1
Any component of the environment which has intrinsic value of its own.
Resource
2
Any component which can be transferred in a way such that it becomes more valuable and useful.
Resource
3
The main problem associated with natural resources.
Unequal Consumption
4
A major part of natural resources are consumed in ...
Developed World
5
It also over use many resources because of their greater human population.
Developing Nations
6
The consumption of resources per capita (per individual) of the developed countries is up to ... times greater than in most developing countries.
50
7
Advanced countries produce over ...% of global industrial waste and greenhouse gases.
75
8
... from fossil fuels consumed in relatively much greater quantities in developed countries.
Energy
9
The USA for example with just ...% of the world's population consumes about ...% of the world's resources.
4, 25
10
Producing animal food for human consumption requires more land than ...
Growing Crops
11
Countries that are highly dependent on non-vegetarian diets need much larger areas for pastureland than those where the people are mainly vegetarian.
True
12
Our natural resources can be compared with money in bank. If we use it rapidly the capital will be reduced to zero. On the other hand if we use only the interest, it can sustain us over the longer term.
Sustainable Utilization or Development
13
Are indicators of the sustainable use of resources.
Quality of Human Life, Quality of Ecosystems on Earth
14
The natural reserves which man utilizes for sustenance and welfare.
Stock Supply
15
A biotic community predominant of trees, shrubs or any other woody vegetation usually in a closed canopy.
Forest
16
Forest is derived from latin word '...' means '....
Foris, Outside
17
Depends heavily on a larger number of plant and animal products from forests for his daily needs.
Commercial Uses, Man
18
The chief product that forests supply is ..., which is used as fuel, raw material for various industries as pulp, paper, newsprint, board, timber for furniture items, other uses as in packing articles, matches, sports goods etc.
Commercial Uses, Wood
19
Many of the plants are utilized in preparing medicines and drugs; Total worth of which is estimated to be more than $... billion per year.
Commercial Uses, 300
20
Many ... are used for mining, agriculture, grazing, and recreation and for development of dams.
Commercial Uses, Forests Lands
21
The main greenhouse gas carbon dioxide is absorbed by the forests as a raw material for photosynthesis.
Production of Oxygen
22
The main greenhouse gas ... is absorbed by the forests as a raw material for photosynthesis.
Carbon Dioxide
23
Acts as a sink for carbon dioxide thereby reducing the problem of global warming caused by greenhouse gas CO2.
Forest Canopy
24
Forests are the homes of millions of wild animals and plants.
Wild Life Habitat
25
Are the homes of millions of wild animals and plants.
Forests
26
About ... species are found in the tropical forests alone.
7 million
27
Act like giant sponges, absorbing the rainfall, slowing down the runoff.
Forested Watersheds
28
They control climate through transpiration of water and seed clouding.
Forested Watersheds
29
Forests bind the soil particles tightly in their roots and prevent soil erosion.
Soil Conservation
30
Forests also act as wind breakers.
Soil Conservation
31
Forests can absorb many toxic gases and can help in keeping the air pure and in preventing noise pollution.
Pollution Moderators
32
Man depends heavily on forests for food, medicine, shelter, wood and fuel.
Over Exploitation of Forests
33
With growing civilization, the demands for raw material like timber, pulp, minerals, fuel wood etc. shot up resulting in large scale logging, mining, road-building and clearing of forests.
Over Exploitation of Forests
34
Our forests contribute substantially to the national economy. The international timber trade alone is worth over US $ ... per year.
Over Exploitation of Forests, 40 billion
35
The devasting effects of deforestation in India include soil, water and wind erosion, estimated to cost over ... cores every year.
Over Exploitation of Forests, 16,400
36
Helps in maintaining soil fertility.
Litter
37
Balances CO2 and 02 levels in atmosphere.
Ecological Significance of Forests
38
Regulates earth temperature and hydrological cycle.
Ecological Significance of Forests
39
Encourage seepage and reduces runoff losses, prevents drought.
Ecological Significance of Forests
40
Reduces soil erosion (roots binding), prevents siltation and landslides thereby floods.
Ecological Significance of Forests
41
Litter helps in maintaining soil fertility.
Ecological Significance of Forests
42
Safe habitat for birds, wild animals and organisms against wind, solar radiation and rain.
Ecological Significance of Forests
43
Refers to the loss of forest cover.
Deforestation
44
Land that is permanently converted from forest to agricultural land, golf courses, cattle pasture, home, lakes or desert.
Deforestation
45
Change of forest with depletion of tree crown cover more than 90%.
Tropical Deforestation, FAO of UN
46
Depletion of forest tree crown cover less than 90%.
Forest Degradation
47
FAO
Food and Agriculture Organization
48
Conversion of forests to agricultural land to feed growing numbers of people.
Agriculture
49
Destroys
Commercial Logging
50
Raising cash crops for increased economy.
Cash Crop Economy
51
The needs also increase and utilize forests resources.
Increase in Population
52
Conservation derived from two Latin words, ...- together ... - to keep or guard measures, i.e. an act of preservation or to keep together
con, servare
53
Is an indispensable resource.
Water
54
Around ...% of world surface is covered with water.
97
55
Most of the animals and plants have ...% of water in their body.
60-65
56
The availability of water decreases in the following order:
Tropical Rain Forest, Temperate Regions, Deserts
57
It is used for domestic, irrigation, industrial purposes.
Water
58
Out of the total available water ...% is used for agriculture, ...% for industrial usage.
75, 20
59
...% of fresh water is ground water and it is ...% greater than surface water.
9.86, 35-50
60
The layer of soil which is permeable has the ability to store water.
Aquifer
61
It is generally made up of gravel, sand etc.
Aquifer
62
It is covered by permeable layer.
Unconfined Aquifer
63
The recharge of this layer is by rainfall or snowmelt.
Unconfined Aquifer
64
Sandwiched between impermeable layers.
Confined Aquifer
65
The recharge is through unconfined aquifer layers.
Confined Aquifer
66
Leads to rapid depletion of water resources, ground subsidence, lowering of water table and water logging.
Over Utilization of Water
67
It is universal right.
Clean Water
68
It is a valuable commodity and it has to be conserved.
Water
69
When evaporation and transpiration rates are lower than the rainfall.
Surface Water
70
Over flow of water, whenever the water in flow is greater than the carrying capacity of the channels.
Flood
71
Unpredictable delay in climatic condition occurring due to monsoon rain failure.
Drought
72
In order of month or year, actual moisture supply at a given place consistently falls below critical level.
Meteorological
73
Deficiency in surface and subsurface water supplies.
Hydrological
74
Inadequate soil moisture to meet the need of a particular crop at particular time or susceptibility of crops during different stages in its development.
Agricultural
75
Reduction in the availability of food and social securing of people.
Socioeconomic
76
Due to increase in population and decrease in water resources.
Conflicts Over Water
77
Are built across the river in order to store water for drinking, agricultural, industrial purpose.
Dams
78
Now days they are mainly used for the hydropower production.
Dams
79
These play a key role in the development process due to their multiple uses.
River valley projects with big dams
80
These aim at providing employment for tribal people and raising the standard and quality of life.
River valley projects with big dams
81
Can help in checking floods and generate electricity and reduce water and power shortage, provide irrigation water to lower areas, provide drinking water in remote areas and promote navigation, fishery.
Dams
82
The impacts of big dams can be ... as well as ... levels.
Upstream, Downstream
83
Are naturally occurring substances with definite chemical and physical properties.
Minerals
84
Is an element or inorganic compound that occurs naturally.
Mineral
85
Weapons, settlement.
Defense Equipments
86
Telephone wires, cables, electronic devices.
Communication
87
Particularly in Ayurvedic System.
Medical System
88
Fertilizers, seed dressings and fungicides.
Agriculture
89
Gold, silver, platinum, diamond.
Jewelry
90
It has been generated which disrupt the surface and ground water circulation.
Great volume of debris
91
It also reduces the water carrying capacity of streams very close to mining area.
Great volume of debris
92
The stacking of over burden and building of soil banks creates problems of ...
Landslides
93
Mining and ore processing normally causes ... pollution.
Air, Water
94
It can pose a serious problem of water pollution, which adversely affects the flora and fauna.
The acid water generated in coalmines
95
It causes lowering of water table, which leads to drying of wells or sea water intrusion.
Deeper excavation of ground
96
Takes place due to removal of vegetal covers.
Deforestation
97
It is a hazard that is difficult to control.
Underground fire in coalmines
98
Blasting of rocks not only annoying the people nearby, but also cause hazard from fly rocks and dusts and damage to buildings due to vibrations.
Stone Quarries
99
Is done to extract minerals from deep deposits in soil.
Mining
100
Mining requires removal of vegetation along with underlying soil mantle and overlying rock masses.
Devegetation and defacing of lands