Green Energy UPSC Questions

General Issues on Environmental Ecology, Bio-diversity & Climate Change

Green Energy MCQ Questions


1.
What is the main reason for promoting renewable energy sources?
A.
To reduce electricity costs
B.
To reduce environmental damage
C.
To increase industrial output
D.
To match international standards
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ANSWER :
B. To reduce environmental damage
2.
What is the difference between a CFL and an LED lamp?
1. To produce light, a CFL uses mercury vapour and phosphor while an LED lamp uses semiconductor material.
2. The average life span of a CFL is much longer than that of an LED lamp.
3. A CFL is less energy-efficient as compared to an LED lamp.
Which of the statements given above is/are correct?
UPSC - 2011
A.
1 only
B.
2 and 3 only
C.
1 and 3 only
D.
1,2 and 3
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ANSWER :
C. 1 and 3 only
3.
Microbial fuel cells are considered a source of sustainable energy. Why?
1. They use living organisms as catalysts to generate electricity from certain substances.
2. They use a variety of inorganic materials as substrates.
3. They can be installed in wastewater treatment plants to cleanse water and produce electricity.
Which of the statements given above is/ are correct?
UPSC - 2011
A.
1 only
B.
2 and 3 only
C.
1 and 3 only
D.
1,2 and 3
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ANSWER :
C. 1 and 3 only
4.
Which of the following is not a primary renewable energy source?
A.
Solar energy
B.
Wind energy
C.
Geothermal energy
D.
Coal
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ANSWER :
D. Coal
5.
Biomass gasification is considered to be one of the sustainable solutions to the power crisis in India. In this context, which of the following statements is / are correct?
1. Coconut shells, groundnut shells and rice husk can be used in biomass gasification.
2. The combustible gases generated from biomass gasification consist of Hydrogen and carbon dioxide only.
3. The combustible gases generated from biomass gasification can be used for direct heat generation but not in internal combustion engines.
Select the correct answer using the codes given below:
UPSC - 2012
A.
1 only
B.
2 and 3 only
C.
1 and 3 only
D.
1, 2 and 3
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ANSWER :
A. 1 only
6.
With reference to the usefulness of the by-products of sugar industry, which of the following statements is/are correct?
1. Bagasse can be used as biomass fuel for the generation of energy.
2. Molasses can be used as one of the feedstocks for the production of synthetic chemical fertilizers.
3. Molasses can be used for the production of ethanol.
Select the correct answer using the codes given below:
UPSC - 2013
A.
1 only
B.
2 and 3 only
C.
1 and 3 only
D.
1, 2 and 3
😑 View Answer Rough Work Error
ANSWER :
C. 1 and 3 only