Tag: economics

Questions Related to economics

Bio composting is a component of which type of farming?

economics environment and sustainable development need for sustainable development environmental economics sustainable development

  1. Normal Farming

  2. Dairy Farming

  3. Organic Farming

  4. Poultry Farming

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Correct Option: C

What are some of the methods of biopest control?

economics environment and sustainable development need for sustainable development environmental economics sustainable development

  1. Use of pesticides based on plant products

  2. Mixed cropping

  3. Growing different crops in consecutive years on the same land

  4. All of the above

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Correct Option: D

________ use the energy of small streams to move small turbines.

economics environment and sustainable development need for sustainable development environmental economics sustainable development

  1. Solar panels

  2. Windmills

  3. Photovoltaic Cells

  4. Mini-hydel plants

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Correct Option: D

Bio pest control relies on _______. 

economics environment and sustainable development need for sustainable development environmental economics sustainable development

  1. Predation

  2. Parasitism

  3. Herbivory

  4. All of the above

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Correct Option: D

 __________ aims at promoting the kind of development that minimises environmental problems and meets the needs of the present generation without compromising the ability of the future generation to meet their own needs

economics environment and sustainable development need for sustainable development environmental economics sustainable development

  1. Long-term development

  2. Using non-conventional energy sources

  3. Both A and B

  4. Sustainable development

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Correct Option: D
Explanation:
Sustainable development aims at promoting the kind of development that minimizes environmental problems and meets the needs of the present generation without compromising the ability of the future generation to meet their own needs. 

Non-commercial energy sources account for over ______ of the total energy consumption. 

economics environment and sustainable development need for sustainable development environmental economics sustainable development

  1. 35%

  2. 30%

  3. 40%

  4. 38%

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Correct Option: B
Explanation:
Non-commercial energy sources contains energy sources like cowdung, firewood, etc. 
Mainly rural areas are highly dependent upon these sources, as it's provided by nature without any amount which is almost unlimited. But, it's bad for environment, burning of these fuel causes air pollution. 

Conventional sources of energy are ____________________.

economics environment and sustainable development need for sustainable development environmental economics sustainable development

  1. commercial sources

  2. non commercial sources

  3. commercial sources & non commercial sources

  4. none

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Correct Option: C
Explanation:
Electricity and coal are the examples of commercial sources of energy and on the other side, firewood and animals dung are non-commercial sources of energy. 
Conventional sources are the natural components which are there in the nature in little amount and can't be used again and again. 
These are only be used for once. They are also named as non-renewable sources of energy.
Hence, C is the correct option. 

Coal, petroleum and electricity are ____.

economics environment and sustainable development need for sustainable development environmental economics sustainable development

  1. conventional sources

  2. commercial sources

  3. both A and B

  4. none

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Correct Option: C
Explanation:
Coal, petroleum and electricity are considered as the conventional source of energy. As these are the natural components which are there in the nature in little amount and can't be used again and again. These are only be used for once. They are also named as non-renewable sources of energy. And, commercial as they contribute a lot in transportation and energy plants. 
Hence, C is the correct option.

 At present, commercial energy consumption makes up about ______ of the total energy consumed in India. 

economics environment and sustainable development need for sustainable development environmental economics sustainable development

  1. 65%

  2. 55%

  3. 60%

  4. 50%

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Correct Option: A
Explanation:
It is also associated with the growth of population. Commercial energy consumption means utilizing petroleum, coal, electricity, etc., which is almost 65%. Most the population, whether it's urban or rural, is developing in consumption of these resources. 

What are the negative side effects of bio pest control?

economics environment and sustainable development need for sustainable development environmental economics sustainable development

  1. Could effect overall bio diversity of the region

  2. Could suppress growth of crop

  3. Could end up attacking other species as well

  4. All of the above

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Correct Option: D