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Environment Ecology English UPPCS (Mains) 2016 UPPCS (Pre) 2014

Q161.Bio-degradable pollutant is

AMercury BSewage CPlastic DAsbestos

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Environment Ecology English UPPCS (Pre) 2005

Q162.Human-made pollutants are called

AXenobiotics BAntibiotics CHumalins DAnthropogenic

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Environment Ecology English IAS (Pre) 2003

Q163.Which of the following is produced during the formation of photochemical smog?

AHydrocarbons BNitrogen oxides COzone DMethane

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Environment Ecology English UPPCS (Mains) 2011

Q164.The combustion of coal, petrol and diesel etc., is the basic source of

AWater pollution BLand pollution CAir pollution DNoise pollution

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Environment Ecology English Punjab PSC (Pre) 2018 IAS (Pre) 2011

Q165.What is the importance of bioasphalt? 1. Unlike traditional asphalt, bioasphalt is not based on fossil fuels. 2. Bio-asphalt can be made from non-renewable resources. 3. Bio-asphalt can be made from non-organic waste materials. 4. It is eco-friendly to use bioasphalt for surfacing of the roads. Which of the statements given above is/are correct?

A1, 2 and 3 B1, 3 and 4 C2 and 4 D1, 2, 3 and 4

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Environment Ecology English UPPCS (Pre) 2015

Q166.Match List-I with List-II and select the correct answer using the code given below the lists. List-I (a) Minerals (b) Solar energy (c) Biogas (d) Deforestation List-II 1. Rainfall 2. Methane and carbon dioxide 3. Exhaustible 4. Inexhaustible Code (a) (b) (c) (d)

A3 B3 C2 D1

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Environment Ecology English UPPCS (Mains) 2016

Q167.In which of the following areas of India geo-thermal energy sources have not been found?

AGodawari Delta BGanga Delta CHimalayas DWest Coast

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Environment Ecology English IAS (Pre) 2010

Q168.Other than Jatropha curcas, why is Pongamia pinata also considered a good option for the procedure of bio-diesel in India? 1. Pongamia pinata grows naturally in most of the arid regions of India. 2. The seeds of Pongamia pinata are rich in lipid content of which nearly half is oleic acid. Which of the statements given above is/are correct?

AOnly 1 BOnly 2 CBoth 1 and 2 DNeither 1 nor 2

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Environment Ecology English IAS (Pre) 1996

Q169.Consider the following statements. At the present level of technology available in India, solar energy can be conveniently used to 1. Supply hot water to residential buildings. 2. Supply water for minor irrigation projects. 3. Provide street lighting. 4. Electrify a cluster of villages and small towns. Of these statements.

A1, 2, 3 and 4 are correct B2 and 4 are correct C1 and 3 are correct D1, 2 and 3 are correct

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Environment Ecology English IAS (Pre) 2017

Q170.It is possible to produce algae based bio-fuels, but what is/are the likely limitations of developing countries in promoting this industry? 1. Production of algae based biofuels is possible in seas only and not on continents. 2. Setting up and engineering the algae based bio-fuel production requires high level of expertise/technology until the construction is completed. 3. Economically viable production necessitates the setting up of large scale facilities which may raise ecological and social concerns. Select the correct answer using the code given below.

AOnly 1 and 2 BOnly 2 and 3 COnly 3 D1, 2 and 3

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Environment Ecology English IAS (Pre) 2011

Q171.Microbial fuel cells are considered a source of sustainable energy. Why? 1. They use living organisms as catalysts to generate electricity from certain substrates. 2. They use a variety of inorganic materials as substrates. 3. They can be installed in waste water treatment plants to cleanse water and produce electricity. Which of the statements given above is/are correct?

AOnly 1 B2 and 3 C1 and 3 D1, 2 and 3

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Environment Ecology English IAS (Pre) 2003

Q172.Assertion (A): Coal-based thermal power stations contribute to acid rain. Reason (R): Oxides of carbon are emitted when coal burns.

ABoth (A) and (R) are true and (R) is the correct explanation of BBoth (A) and (R) are true, but (R) is not the correct explanation of (A) C(A) is true, but (R) is false D(A) is false, but (R) is true

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Environment Ecology English IAS (Pre) 2015

Q173.Concerning ‘fuel cells’ in which hydrogen-rich fuel and oxygen are used to generate electricity. Consider the following statements. 1. If pure hydrogen is used as a fuel, the fuel cell emits heat and water as a by-product. 2. Fuel cells can be used for powering buildings and not for small devices like laptop computers. 3. Fuel cells produce electricity in the form of Alternating Current (AC). Which of the statements given above is/are correct?

AOnly 1 BOnly 2 and 3 COnly 1 and 3 D1, 2 and 3

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Environment Ecology English IAS (Pre) 2016

Q174.Consider the following statements. 1. The International Solar Alliance was launched at the United Nations Climate Change Conference in 2015. 2. The Alliance includes all the member countries of the United Nations. Which of the statements given above is/are correct?

AOnly 1 BOnly 2 CBoth 1 and 2 DNeither 1 nor 2

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Environment Ecology English IAS (Pre) 2012

Q175.Biomass gasification is considered to be one of the sustainable solutions to the power crisis in India. In this context, which of the following statement(s) 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.

AOnly 1 B2 and 3 C1 and 3 D1, 2 and 3

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Environment Ecology English Haryana PSC (Pre) 2018 Chhattisgarh PCS (Pre) 2015

Q176.Which of the following renewable power resources had highest installed capacity in the country?

ABiomass power BSolar power CWaste to energy DWind power

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Environment Ecology English Kerala PSC (Pre) 2016 UP Lower Sub. (Pre) 2013

Q177.Under the Nuclear Power Projects, Environmental Effects that have to be studied and resolved are

ARadioactive contamination of air, soil and water BDeforestation and loss of flora and fauna CRadioactive waster disposal DAll of the above

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Environment Ecology English IAS (Pre) 2010

Q178.Given below are the names of four energy crops. Which one of them can be cultivated for ethanol?

AJatropha BMaize CPongamia DSunflower

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Environment Ecology English UP UDA/LDA (Spl)(Pre) 2010

Q179.Which of the following is the source of ‘Green Fuel’?

APyne BCarnage CFurn DAll of these

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Environment Ecology English UPPCS (Pre) 2015

Q180.Which one of the following is a biodiesel crop?

ACotton BSugarcane CJatropha DPotato

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