Questions Related to economics

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

What are some of the methods of biopest control?

  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

Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Biopest control includes a variety of methods like using natural plant-based pesticides and crop rotation (mixed/consecutive cropping) to disrupt pest cycles.

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

 __________ 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

  1. Long-term development

  2. Using non-conventional energy sources

  3. Both A and B

  4. Sustainable development

Reveal answer Fill a bubble to check yourself
D Correct answer
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. 
Multiple choice economics environment and sustainable development need for sustainable development environmental economics sustainable development

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

  1. 35%

  2. 30%

  3. 40%

  4. 38%

Reveal answer Fill a bubble to check yourself
B Correct answer
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. 
Multiple choice economics environment and sustainable development need for sustainable development environmental economics sustainable development

Conventional sources of energy are ____________________.

  1. commercial sources

  2. non commercial sources

  3. commercial sources & non commercial sources

  4. none

Reveal answer Fill a bubble to check yourself
C Correct answer
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. 
Multiple choice economics environment and sustainable development need for sustainable development environmental economics sustainable development

Coal, petroleum and electricity are ____.

  1. conventional sources

  2. commercial sources

  3. both A and B

  4. none

Reveal answer Fill a bubble to check yourself
C Correct answer
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.
Multiple choice economics environment and sustainable development need for sustainable development environmental economics sustainable development

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

  1. 65%

  2. 55%

  3. 60%

  4. 50%

Reveal answer Fill a bubble to check yourself
A Correct answer
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. 
Multiple choice economics environment and sustainable development need for sustainable development environmental economics sustainable development

What are the negative side effects of bio pest control?

  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

Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Biological control agents can have unintended consequences, such as disrupting local biodiversity or attacking non-target species.