24th Sep_2020 shift -1:
- Identify the correct sequence of continents in decreasing order of their yearly carbon di oxide emissions at present
- Asia
- North america
- europe
- Africa
- Millenium Development Goals of global partnership for development envisaged making available the benefits of new technologies especially
- Information and communication
- The global emission (by weight) of following primary pollutants from natural source are maximum in the case of
- carbon di oxide
- List-1 (Water pollutants) and List-2 (Sources)
- Oxygen demanding wastes – Paper mills and food processing units
- Plant nutrients – Modern washing powder and agriculture run-off
- Acids – Mine drainage
- Poly chlorinated Biphenyls – waste incineration and toxic dumps
- A: Despite increasing vulnerability to natural disasters many communities resist adopting mitigation programmes and measure
- R: Mitigation is often perceived by communities as being incompatible with their cultural practices
- A is correct but R is not
24th Sep_2020 shift -2:
- Under goal 4 of MDG (Millennium Development Goals), the reduction sought to be achieved in under -five child mortality rate between 1990-2015 was to the extent of
- two-third
- List-1 (emitted pollutants) and List 2( environmental Impact)
- carbon dioxide – contribution of global warming as a greenhouse gas
- carbon monoxide – toxic can cause respiratory disease
- Nitrogen oxides – Formation of acid rain
- Benzene and hydrocarbons – toxic and are carcinogenic
- The correct sequence of countries in decreasing order of their contribution to global carbon di oxide emissions
- China
- USA
- India
- Russia
- Japan
- A: Windmill with proper design considerations can be made to operate at efficiencies in the range 60% to 65%
- R: The efficiency of the windmill depends on its design parameters
- A is not correct but R is correct
- From disaster mitigation measures given below, the measures which can be characterized as non-structural
- Land-use zoning
- Insurance programmes
25th-sep-2020-shift-1:
- The phenomenon of ozone depletion is caused by
- Volatile chlorinated hydrocarbons
- excessive use of nitrogen containing fertilisers
- The following was not an issue to be addressed under Millenium Development Goals
- Human rights
- Others include
- Goal 4- Child mortality
- Goal 7 – environmental sustainability
- goal 2 – Primary education
- Others include
- Human rights
- Identify the correct sequence of countries in decreasing order of their contributions to per capita emissions of carbon di oxide emissions at present
- USA
- Japan
- China
- India
- A: In the contemporary environmental discourse, small hydrowpower plants are prefered over large hydro power plants
- R: Installation of small hydro power plant is less capital intensive compared to a large hydropower plant
- Both A and R correct but not the correct explanantion of A
- Day time noise standard prescribed for residential areas in india is
- 55 db
25th-sep-2020-shift-2:
- The following are Millenium Development Goal
- eradicating extreme poverty and hunger
- Improving maternal health
- promoting gender equity and empowerment of women
- Thee correct sequence of energy sources interms of their heat of combustion in increasing order
- Green wood
- Dry wood
- Natural fats and oils
- Methane
- A: Polluted rivers with very high values of Biological Oxygen Demand (BOD) may produce a foul smell
- R: Anaerobic bacteria produce sulphur di-oxide and oxides of nitrogen
- A is correct but R is not
- High hazard waste contain
- Pathogens
- Radioactive wastes
- Corrosive substances
- The following primary pollutants the man made contributions to global emissions (million tonnes per year) is more compared to that from natural sources
- Sulphur di oxide
29th-sep-shift-1:
- A: Lakes are considered to be more susceptible to pollution than rivers
- R: water in lakes may take decades to be replaced
- Both A and R correct and R is the right explanation
- Thermal reactors produce energy by fission of the following nuclear fuels
- Uranium – U235
- Uranium – U233
- Plutonium – Pu 239
- Noise pollution is measured in decibel(Db) with reference to a standard sound intensity of the following magnitude
- 1 pico watt per m^2
- In a polluted urban area, the following has the highest concentration (ppv) in photochemical smog
- Carbon Monoxide
- but not – ozone, PAN, Hydrocarbons (Without methane)
- Carbon Monoxide
- List-1 Environmental protocol / agreement/ action plan and list-2 ( Provisions)
- Montreal protocol – Phasing out ozone depleting substance
- Paris agreement – Intended nationally determined contributions
- Climate action plan – Integrated water resources management
- Kyoto protocol – emission trading
- List1 Categories of environmental education objectives) and List-2(examples of those objectives)
- environment awareness – to help social groups and individuals acquire a sensitivity to the total environment
- environment knowledge – to help social groups and individuals gain variety of experience in environment and associated problem
- environment attitude – to help social groups and individuals acquire a set of value of the environment
- environment skill – to help social groups and individuals identify and solve problems of environment
29th-sep-shift-2:
- The correct sequence of countries contributing to global CO2 emissions decreasing order from fossil fuel burning, cement manufacturing and gas flaring in the year 2014
- China
- USA
- EU-28
- Russia
- The following are used as semiconductor materials to fabricate solar cells
- Silicon
- Tin oxide
- Cadmium sulfide
- gallium arsenide
- Not a sustainable goal – protection of ozone layer
- others are gender equity
- climate action
- Life below water
- List- 1 (Pathogens in water) and list-2 ( Disease they cause)
- Virus – hepatitis
- Bacteria – cholera
- Protozoa – dysentery
- Helminthis (parasitic worm ) – shistosomasis
- The following are emitted from a coal based thermal power plant
- Carbon monoxide
- Sulphur di oxide
- particulate matter
- Not ozone,methane
30th-sep-shift-1:
- The objectives of Millenium Development goals the progress in the world as a whole has been least satisfactory
- reducing by half proportions of people who suffer from hunger by 2015.
- The correct sequence of carbon (C) to Nitrogen (N) in decreasing order in organic waste material
- Paper
- Leaves and foliage
- Cow manure
- Food waste
- According to noise pollution, Regulation and control rules, 2000 the night time noise standard prescribed for educational institution is
- 40 dB (A)
- S-1: Volatile Organic Compounds (VOC’s) are contaminants more commonly found in groundwater
- S-2: VOC’s are one of the criterion parameters to determine drinking water quality
- statement 1 is correct but S-2 is false
- Not one of the mission under National Action Plan on Climate change
- National mission on solid waste management
- Others are National water mission
- national mission on energy efficiency
- Green India mission
- National mission on solid waste management
30th-sep-shift-2:
- The correct sequence in increasing order of the carbon content per unit mass of the following reservoirs of carbon in terrestrial environment
- Peat
- Plants
- Soil organic matter
- Fossil fuels
- A: Lakes are less prone to getting polluted than rivers
- R: Water in lakes gets replaced through natural processes
- A is not correct but R is correct
- Under MDG 5 maternal mortality ratio between 1990 and 2015 was to be reduced by
- 75%
- According to classification of Ministry of new and renewable energy and central electricity authority of India small hydro power plants have capacity in the range of
- 1-25 MW
- Global emission of CO2 stagnated during the years 2014-2016
- R: strong energy efficiency improvement measures and low carbon technologies were developed during 2014-2016
- Both A and R correct and R is the right explanation.
- R: strong energy efficiency improvement measures and low carbon technologies were developed during 2014-2016
1st-oct-shift-1:
- To put the world on a least cost pathway to limiting global warming to 2 * Cel above the pre-industrial level global green house gas emission by 2030 with reference to 2017 require reduction to the extent of
- 25%
- The correct sequence in decreasing order of the carbon content per unit mass of the following carbon reservoirs in the aquatic environment of oceans
- Sediments
- Dissolved inorganic matter
- Dissolved organic matter
- Living organisms
- A: Hydrofluorocarbons (HFC’s) need to be phased out to protect the ozone layer
- R: HFC’s have a high global warming potential
- A is not correct but R is correct
- List-1 ( International Agreements) and List-2 ( Provisions)
- Kyoto protocol – Joint implementation
- Paris agreement – Nationally determined contributions
- Rio summit – Convention on biodiversity
- International solar alliance – affordable reliable clean energy
- Mitigation measures to cope with floods include
- Elevating or protecting electrical service panels
- Protecting facilities with barriers and sandbags
- Up sizing culverts to better handle flood surges
- relocating equipment outside the flood plain
1st-oct-shift-2:
- Dissolved oxygen an important parameter of water quality is essential for survival of
- Fish
- The most abundant element in dried sewage sludge
- calcium
- The correct sequence of sectoral global CO2 emissions in increasing order as per IPCC (2014) report
- Buildings
- Transport
- Industry
- Electricity and heat production
- Under goal 2 of MDG, UN member countries were to ensure that by 2015, children everywhere boys and girls would be able to complete a full course of
- Primary education
- When did the UNEP (United Nations Environment Programme) and the international program in environment education (IEEP) comes into existence – N.A
- 1972
- 1975
- 1982
- 1992
9th Oct-shift-1:
- India has huge thorium reserve, a potential source of nuclear energy. This thorium reserve is mainly confirmed in the
- Coastal sands of kerala sea
- The objectives specific to Sustainable Development Goal among the following
- Responsible consumption and production
- Life on land
- reduced inequality
- A: Emissions from diesel vehicles are relatively less harmful to human health in comparison to petrol vehicles
- R: emissions of hydrocarbons and carbon monoxide are inherently very low from diesel vehicles
- A is not correct but R is correct
- A: Solar ponds, store solar energy in the form of heat
- R: solar ponds contain water with definite gradient of salt concentration
- Both A and R are correct and R is the correct explanation of A
- The sector that contributed least to global carbon di oxide emissions in the year 2014 as per IPCC report
- transportation
17th-oct-shift-1:
- Contamination of aquatic environment by Poly chlorinated Biphenyls (PCB’s) can originate from
- sewage effluent
- waste incinerators
- Toxic dumps
- S-1: Emission of hydrocarbons and carbon monoxide are inherently very low from diesel vehicles
- S-2: Diesel driven vehicles are inherently more fuel efficient compared to petrol driven vehicles
- Both S-1 and S-2 are correct
- If the intensity of the given noise increase two fold, the noise level in decibels increase by approx 3 dB
- The following source of energy on combustion produces maximum carbon di oxide per unit of energy output or heat content
- Coal(Sub-bituminous)
- Formulation of long term -low emission development strategies by each country was suggested under
- Paris agreement
17th-oct-shift-2:
- Some metals which are released into environment from a variety of anthropogenic sources. Identify the metals which have been of serious concern from the point of view of pollution of water bodies
- Mercury
- Cadmium
- Lead
- S-1: Two sounds of same intensity but different frequency characteristics may appear to be of different loudness
- S-2: The response of human ear to noise of different frequencies is not uniform
- Both S-1 and S-2 are correct
- A: Long term low emission development strategies by each country are crucial to realising the goals of Paris agreement
- R: Nationally determined Contributions (NDC’s) declared by each country are not sufficient to keep the rise in global temperature upto 2* C above the pre-industrial level
- Both A and R correct and R is the correct explanation of A
- the correct sequence in decreasing order of lifetimes of the following greenhouse gases in atmosphere
- Nitrous oxide > CFC-11>Methane >Surface ozone
- S-1: Hurricanes and typhoons are essentially the same as tropical cyclones
- S-2: Warm tropical oceans and moist air mass are pre-requisite for the development of tropical cyclones
- Both S-1 and S-2 are correct
- S-2: Warm tropical oceans and moist air mass are pre-requisite for the development of tropical cyclones
4th Nov-shift-1:
- The following conventions protocol originated from Rio earth summit?
- UN framework convention on climate change
- UN convention to combat dessertification
- Convention on Biological diversity
- The goals which are part of Sustainable Development Goals
- Industry, Innovation, and infrastructure
- Reduced Inequality
- partnership to achieve goals
- The following countries in increasing order of their installed capacities of wind energy (as on 2018)
- France <India <Germany <USA <China
- S-1: Sunlight is a pre-requisite for the formation of photochemical smog in urban areas
- S-2: Photochemical smog is a recurring phenomenon in winter and summer seasons in urban areas of india
- S-1 is correct but S-2 is false
- A: Global warming potential of a molecule of a greenhouse gas over different time spans of decades to 100 years may vary significantly
- R: some greenhouse gases have shorter life times compared to carbondioxide
- Both A and R are correct and R is the correct explanation of A
4th Nov-shift-2:
- The following countries that has not signed /ratified the international solar alliance Framework Agreement
- China
- A: Energy production from biomass has traditionally been considered carbon neutral
- R: Carbon di Oxide emissions from combustion of biomass are sequestered by growing biomass
- Both A and R true and R is the correct explanation of A
- For wind power electricity generation the type of rotors most commonly used is Propeller rotor
- S-1: Chronic toxic effects result from single dose of very high toxic substance or continuous exposure of sub lethal dose
- S-2: Acute toxic effects are long lasting and irreversible mainly caused due to prolonged exposure to toxins and survival rate is very low
- S-1 is correct but S-2 is false
- Goals which are related to Milllenium development goals
- Improving maternal health
- Improving the life of slum dwellers
- Promoting gender equality and empowerment of women
5th-nov-shift-1:
- The only UN treaty related to environmental issues which has been ratified by all 197 UN member states
- Montreal protocol
- As of now, the leading country in wind energy based electricity generation
- China
- ‘Solar Water Still’ is a device to
- Produce potable water by using solar energy
- Identify the primary air pollutant among the following
- Black Carbon aerosols
- S-1: Long stretches of major rivers of India have very low Biochemical Oxygen demand(BOD) Values
- S-2: In rivers oxygen, is added into water by diffusion from air due to its turbulent and rapid flow
- S-1 is incorrect but S-2 is correct
5th-nov-shift-2:
- Exposure to excessive noise pollution can cause
- Hearing impairment
- Insomnia
- Rise in blood pressure
- Reduced work efficiency
- In photo voltaic (PV system) the smallest to largest unit ranges from
- Solar cell
- Module
- Array
- Array field
- The type of particulate matter pollutants are used in calculation of Air Quality Index (AQI)
- PM 10 (particulate matter size of of 10 micron or less)
- PM 2.5 (particulate matter size of of 2.5 micron or less)
- List- 1 (International Agreement ) and List-2 ( Provisions)
- Montreal protocol – Controlling consumption and production of halons
- Kyoto protocol – emission trading
- Convention on biodiversity – clearing house mechanism
- International Solar alliance – clean affordable energy
- List-1 (Toxic and hazardous substance and List-2 ( Major sources)
- Vinyl chloride – Plastics Industrial uses
- Polychlorinated Biphenyls (PCB’s) – electric insulations
- Benzo(a)pyrene – Waste incineration
- Polycyclic aromatic hydrocarbons – Fuel combustion
11th-Nov-shift-1:
- A multilateral fund for implementation of Montreal protocol was setup to provide financial and technical assistance to developing countries, parties to Montreal protocol whose annual per capita consumption and production of ozone depleting substances amounted to less than
- 0.3 kg
- Arrange the global warming potential of a molecule of the following greenhouse gases (relative to CO2) in decreasing order
- Sulphur hexa fluoride (SF6)
- CFC – 12
- CFC – 11
- Nitrous oxide
- Methane
- Sick Building Syndrome (SBS) is a condition
- Of human health due to indoor air pollution
- S-1: Dioxins and furans are highly toxic substance produced mainly during incineration of municipal solid waste, hazardous and medical waste
- S-2: Dioxins and furans play crucial role in photochemical smog formation
- S-1 is correct but S-2 is false
- A dish solar cooker
- has reflecting material of anodized aluminium sheet
- needs to track the sun to deliver power of about 0.6 kW
- Uses a parabolic dish to concentrate the incident solar radiation.
11th-Nov-shift-2:
- International agreements/Protocols are legally binding on the member countries (parties)
- Convention on biological diversity
- Montreal protocol
- but not kyoto protocol and paris agreement
- A: Carbon dioxide emissions from bio-energy production have traditionally been excluded from most emission inventories and climate impact studies
- R: Carbon dioxide emissions associated with production of bio-energy are significantly less compared to those from combustion of fossil fuels
- Both A and R are true but R is not the correct explanation of A
- Wind energy is very sensitive to the wind velocity because wind power is directly proportional to
- Cube of the wind velocity
- During physical treatment process of waste water, the correct order of the operations followed
- Screening
- Sedimentation
- Flocculation
- Filtration
- A: Carbon-monoxide (CO) is a serious asphyxiant, even a short exposure may have fatal health issues.
- R: Hemoglobin present in the blood has greater affinity towards carbon monoxide than oxygen.
- Both A and R are correct and R is the correct explanation of A.
- R: Hemoglobin present in the blood has greater affinity towards carbon monoxide than oxygen.
12th Nov-shift-1:
- Which of the following statements represents mangrove characteristics as a safety hedge?
- The mangrove trees protect vulnerable coastlines as they hold soil together.
- The sources of solid wastes are
- Residential areas
- Institutional areas
- Agriculture.
- Identify the sources of soil pollution from the following list:
- Industrial effluents
- Eutrophication
- Improper management of septic systems
- Which of the following was the central aim of the Paris Agreement?
- To strengthen the global response to the threat of climate change.
- Which of the following statements about the Volatile Organic Compounds (VOC’s) are correct?
- They may cause cancer.
- They play an important role in the formation of photo-chemical smog.
12th November shift-2:
- Sustainable Development Goal – ‘Life below water’ aims at conserving and sustainably using
- Oceans, Sea and marine rsources
- Identify the green house gases adopted in the kyoto protocol
- carbon dioxide
- Methane
- Nitrous oxide
- Hydrofluuorocarbons
- perfluorocarbons
- sulphur hexafluoride
- Climate pledges under Paris agreement cover 1/3rd fraction of green house gas emissions reduction needed to limit the global warming below 2 * Celsius.
- The impact of noise pollution on human health is governed by
- Intensity of noise
- duration of noise
- sensitivity of human ear
- frequency range of noise
- Polar stratospheric clouds are associated with the environmental issues of
- Ozone layer depletion
13th Nov-shift-1:
- A measure such as building a plinthwall for floods would be termed as
- Prevention
- At present, in india, the total installed renewable power capacity is accounted for
- Solar power
- Wind power
- Hydro power
- Urban and industrial waste to energy conversion
- Biomass power
- The most relevant effect of particulate matter in air, on human health is
- aggravation of respiratory disease
- A: It is crucial to sustain himalayan ecosystem
- R: Himalayan ecosystem is home to a number of indigenous tribes
- Both A and R true but not the correct explanation of A
- In developing countries, the fraction of food waste in the consumption of municipal solid waste is typically in the range
- Greater than 40%
13th NOV shift-2:
- Clean Development Mechanism was first introduced in the international agreement
- Kyoto protocol
- Climate change can have serious consequence for
- Water security
- Food security
- Erosion of coastal zones
- Photo chemical smog in urban areas is known to cause
- Respiratory effects
- Eye irritation
- Nose and throat infection
- reduction in visibility
- Land slides are of Geo-physical origin
- The contribution of renewable energy sources including large hydro power projects in the total installed electric power capacity of India is
- approx 35%
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