Tag: introduction to natural resources

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Multiple choice biology water and air and their importance water management - case studies introduction to natural resources management of natural resources

The biggest source of energy on earth's surface is

  1. Coal

  2. Tides

  3. Atoms

  4. Solar radiations
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation
Plants are the primary producers. They photosynthesize using solar energy. They form the basis of the food chain thereby providing energy to all higher life forms. Solar radiations regulate the weather and provide a habitable environment for all living creatures. It is also responsible for the water cycle. Thus the correct answer is option D.
Multiple choice biology water and air and their importance water management - case studies introduction to natural resources management of natural resources

A natural resource that has inherent capacity to replenish is called as

  1. Renewable resource

  2. Non renewable resource

  3. Exhaustible resource

  4. Inexhaustible resource
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Renewable resources are those that are replenished naturally over relatively short periods of time. It includes solar energy, tidal energy, geothermal energy, biomass, etc. Thus the correct answer is option A.

Multiple choice biology water and air and their importance water management - case studies introduction to natural resources management of natural resources

A renewable exhaustible natural resource is 

  1. Forest

  2. Coal

  3. Petroleum

  4. Minerals
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Natural resources occur naturally within environments, that exist relatively undistributed by humanity, in a natural form. A natural resource is often characterized by amounts of biodiversity and geodiversity existent in various ecosystems. Natural resources are derived from the environment. Biotic resources are obtained from the biosphere (living and organic material), such as forests and animals, and the materials, that can be obtained from them. Forests and wildlife are both renewable in the short term but non renewable once a point has been reached or to a point. Forests can be managed to some degree sustainable forestry cuts older trees, while planting new one to replace them, this works in some types of environments better than others.

Multiple choice introduction to natural resources natural resources- air, water and land land air chemistry

Which is not dangerous for life?

  1. Nuclear blast

  2. Deforestation

  3. Biopollutants

  4. Ozone layer
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation
Nuclear blast can cause the release of radiations which can cause cancer and the radioactive materials can lead to soil pollution. Deforestation results in soil erosion and the quality of soil is degraded in which the plants cannot grow. The biopollutants are the natural microbes which act as pollutants when there is an increase in the number. 
Ozone layer is present in the stratosphere over the Earths surface. This is a protective layer which prevents the entry of the harmful UV rays from the sun into the atmosphere. 
Thus, the correct answer is option D.  
Multiple choice introduction to natural resources natural resources- air, water and land land air chemistry

Greenhouse effect occurs in

  1. Mesosphere

  2. Troposphere

  3. Ionosphere

  4. None of the above
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation
The atmosphere is made up of five layers mainly, exosphere, thermosphere, mesosphere, stratosphere and troposphere. The troposphere is about 12 km thick and is found at ground level. Living organisms are found in this layer. Most of the human activities take place in this region as this is the region where human beings live. The percentage of poisonous gas like carbon dioxide, nitrogen oxide etc.  increases due to burning of fossil fuels which do not allow the heat to escape from the earth atmosphere and leads to increase in temperature and cause global warming.
So, the correct option is B.
Multiple choice introduction to natural resources natural resources- air, water and land land air chemistry land,labour, capital and entrepreneur how does production take place?
Don't press the panic button. Despite the crisis in Japan's plants, India must not take nuclear power off the table.
In view of recent nuclear blasts due to Tsunami in Japan, countries are:

  1. going to stop nuclear-energy plan

  2. devising methods to avoid this type of disaster

  3. stressing thermal energy plan

  4. stressing hydro-electric power
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

To avoid nuclear blasts due to Tsunami in Japan counteries are devising methods to avoid this types of disasters.

Multiple choice introduction to natural resources natural resources- air, water and land land air chemistry land,labour, capital and entrepreneur how does production take place?

The soil is formed by the breaking down of rocks by the action of _____.

  1. wind

  2. water

  3. climate

  4. all of these
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

The soil is formed by breaking down of rocks by an action of wind, water and climates like thawing of water that seeped through rock and climatic changes such as weathering of rocks, landslides also causes breaking of big rocks. This is how soil is formed by all these natural processes.