2nd December Morning shift:

  1. Identify environmental issue which are local in nature
    1. lake pollution
    2. soil erosion
    3. Water logging
    4. solid waste management
  2. Govt of India has set up the ministry of Jal Shakti by merging which of the following
    1. Ministry of water resources and ministry of earth sciences
    2. Ministry of water resources ministry of river development and Ganga rejuvenation and ministry of rural development
    3. Ministry of water resources ministry of river development and Ganga rejuvenation and ministry of drinking water rejuvenation
    4. Ministry of water resources
  3. For encouraging worldwide awareness action for the protection of our environment UNEP focused on the world environment day (2019) on which of the following themes?
    1. beat air pollution 
      1. UNEP 2020 theme on world environment day is ‘Celebrate biodiversity’
  4. The following indicates the objectives of the UNFCCC? (United Nations Framework Conventions on Climate Change)
    1. to stabilize greenhouse gas concentration in the atmosphere.
  5. The following UN Conferences /summit adopted the program of action for sustainable development
    1. Rio de janero conference.

2nd December Afternoon session:

  1. Montreal protocol refers to – phasing out the consumption and production of ozone-depleting substances.
    1. Montreal Protocol was signed in order to address the depletion of ozone in the stratosphere.
  2. SDG’s are
    1. zero hunger
    2. quality education
    3. clean water and sanitation
    4. climate action
  3. In which category Cochin’s Intl airport has been conferred the U.N’s champion of the earth award?
    1. entrepreneurial vision
  4. Average noise levels in heavy traffic zones in major cities in India are generally in which of the following range of noise levels  – 70-95 dbA.

3 rd Dec morning session

  1. NDMA(National Disaster Management Authority) is an agency of the ministry
    1. Home affairs
      1. the Ministry of Jal Shakti by merging/renaming – Ministry of Water Resources: Ministry of River Development and Ganga Rejuvenation: and Ministry of Drinking Water and Sanitation
  2. A green building 
    1. uses a minimum amount of energy
    2. conserves natural resources
    3. creates space for healthy living
  3. Methane a greenhouse gas is emitted from
    1. landfills, and wetlands
  4. Biosphere reserves are
    1. The area comprising terrestrial marine and coastal ecosystem
    2. It is monitored by the national government
  5. The share of which of the following sources of energy in electricity generations in India at present is the least?
    1. Nuclear

3rd Dec afternoon session:

  1. The following air pollutants are produced from room deodorizers?
    1. volatile organic compounds
      1. Some tree species emit volatile organic compounds such as isoprene which may contribute to the formation of tropospheric ozone.
  2. The potential of geothermal power in India is approximately
    1. 10 GW
      1. The efficiency of electrical power generation is least in geothermal energy.
  3. A: The impact of natural disaster does not depend on socio-economic factors
    1. R: Natural Disasters do not discriminate between people of a society and other communities
    2. A is false but R is true.
  4. Exposure to noise pollution can cause
    1. sleeplessness
    2. speech interference
    3. increase in blood pressure
    4. a shift in threshold of hearing
      1. Materials with high surface/mass density act as good noise barriers.
  5. Under the Kyoto Protocol, the first commitment period for reduction of greenhouse gas emissions by 87 industrialized and European community countries was
    1. 2008-2012
      1. Kyoto protocol aims at  containing emissions of greenhouse gases.
      2. Under the Kyoto Protocol, the parties in the second commitment period have to reduce their greenhouse gas emissions wrt 1990 levels by at least 18%

4th December Morning Session:

  1. Most important pollutants that cause degradation of water quality in rivers and streams are
    1. Bacteria, Nutrients, and Metals.
  2. Co-benefit of Montreal protocol – reduction in CO2 emissions
    1. Montreal protocol aims at Phasing out ozone-depleting substances.
    2. Montreal Protocol was signed in order to address depletion of ozone in the stratosphere by CFC gases.
  3. According to GATS(General Agreement on Trade and services), higher education should be a commodity in the
    1. global market place
  4. Under green India Mission, how many hectares of degraded forest land is to be brought under afforestation – 6 mn hectares
  5. The most dominant source of benzene emissions in ambient air is car exhausts.
  6. The theme of some sustainable development goals are
    1. Climate action
    2. Sustainable cities and communities
    3. Peace, Justice and strong institutions
    4. Responsible consumption and production
      1. the main outcomes of the Rio +20 conferences was to develop a set of Sustainable Development Goals
        1. No Poverty
        2. Zero Hunger
        3. Peace, Justice and strong institutions
SDG’s

4th December Afternoon Session:

  1. how many National parks and wildlife sanctuaries in India till March 2011 – 102 and 515
  2. Match:
    1. Gelisols – soil order of cold regions like permafrost
    2. Histosols – a thick layer of organic matter
    3. arid sols – the soil of dry climate
    4. Andi sols – the soil of volcanic eruption
  3. Historic Places and DIscipline
    1. takshila – astronomical
    2. Ujjain – Buddhism
    3. Sarnath – arts and painting
    4. Ajantha – medicine
      1. a-1, b-2,c-3,d-4
      2. a-2, b-1,c-4 d-3
      3. a-3,b-4,c-2,d-1
      4. a-4,b-1,c-2,d-3
  4. Statements that are true about Fuel cell –
    1. Use of electrochemical reactions to produce electric current,
    2. It consists of positive and negative electrodes separated by an electrolyte
  5. Not a Millenium development goal(MDG)
    1. ensure healthy lives and promote well being for all at all stages
    2. Millennium Development Goals were to be achieved by 2015 includes
      1. Eradicate extreme poverty and hunger
      2. Improve maternal health
      3. ensure environmental sustainability.
      4. Reduce child mortality
        1. So, the MDG will guide UNDP.
Millenium Development Goal
  1. soil particles are arranged in terms of particle size from smallest to largest –
    1. clay, silt, sand, and gravel
    2. gravel, silt, clay, and sand
    3. silt, clay, gravel, sand
    4. silt, clay, sand, gravel
  2. Statements that are true about Fuel cell –
    1. It is a device that Uses of electrochemical reactions to produce electric current.
    2. It consists of positive and negative electrodes separated by an electrolyte.

5th December Morning Session:

  1. The following groups of electronic scientists have been given an order chronologically
    1. Lumiere Brothers,  guglielmo.G. Marconi, Lee forest, John Flemming and J.L.Baird
  2. The spread of forest fires is influenced by 
    1. slope 
    2. soil moisture
    3. Wind.
  3. Noise level at a traffic site is recorded for one hour at a sampling interval of 1 second and possible indices of noise T40, T60, T80, T100 are compared from the data. The indices are then arranged in increasing order in terms of their values starting from minimum to maximum. The following represents the correct order?
  4. Chemical class – Description
    1. Allergens – substances that activate the immune system
    2. Mutagens – chemicals that alter or damage genetic material (DNA) cells
    3. Carcinogens – substances that enter the invasive mode of cell growth resulting in malignant tumors
    4. teratogens – chemicals that specifically cause abnormalities during embryonic growth and development
  5. A: In the afternoon of a hot sunny day during the summer season the tropospheric ozone levels in a city like Delhi are expected to be lower as compared to morning and evening
    1. R: In the afternoon period, the atmosphere is unstable and its dilution potential is higher as compared to mornings and evenings
    2. A is false R true
      1. Montreal Protocol was signed in order to address depletion of ozone in the stratosphere.
      2. CFCs destroy ozone molecules in stratosphere
      3. Chlorine gases initiates a chain reaction that breaks-down ozone in the upper atmosphere.

5th December Afternoon Session:

  1. Consider the following statements regarding noise pollution
    1. Noise levels decrease as we move away from the source of noise
    2. Materials with high surface/mass density act as good noise barriers
      1. Exposure to noise pollution can cause
        1. sleeplessness
        2. speech interference
        3. increase in blood pressure
        4. a shift in threshold of hearing
  2. Montreal Protocol was signed in order to address which of the following environmental issues?
    1. Tropospheric ozone pollution.
      1. The tropospheric ozone levels in a city like Delhi is higher as the atmosphere is unstable raising the tropospheric ozone levels.
  3. Consider the following statements
    1. Major contribution to the greenhouse effect comes from carbon-dioxide
    2. Earth’s climate was changing even  before man appeared on the planet
  4. A: Forests helps in improving the air quality of a place
    1. R: Some tree species emit volatile organic compounds such as isoprene which may contribute to the formation of troposphere ozone.
      1. Both A and R true but not the correct explanation of A.
      2. volatile organic compounds are indoor air pollutants produced from room deodorizers.
  5. The following is the correct sequence of GHG according to their relative global warming potential in increasing order?
    1. CO2, Methane, Nitrous oxide,CFC
      1. CFCs have very high global warming potential.
  6. Schistosomiasis, a common water contact disease in the spread,
    1. cercaria
  7. List-1( Environmental Disasters) and list-2 (Associated phrases)
    1. Bhopal gas tragedy – Methyl isocyanide
    2. Chernobyl disaster – Nuclear accident
    3. love canal tragedy – damping of hazardous substance
    4. Los angels smog – Peroxy-acetyl Nitrate (PAN)
  8. Consider the following statements
    1. The MDG will guide UNDP
    2. SDG’s came into effect on Jan 2016
      1. Sustainable development goals have specific targets to be achieved by 2030

6th December Morning Session:

  1. Which of the following natural hazard has a relatively slow onset?
    1. Droughts
      1. Lack of rainfall of sufficient duration is drought
  2. Under the Kyoto Protocol, the parties in the second commitment period have to reduce their greenhouse gas emissions wrt 1990 levels by at least
    1. 18%
      1. Kyoto protocol aims at  containing emissions of greenhouse gases.
      2. Under the Kyoto Protocol, the first commitment period for reduction of greenhouse gas emissions by 87 industrialized and European community countries was 2008-2012.
  3. A major source of oxygen demanding waste in freshwater systems are
    1. agricultural runoff
    2. Food processing
    3. sewage effluents
      1. One of the 8 missions under the Climate Action Plan of Government of India includes Waste to energy conversion.
  4. A renewable natural resource – 
    1. Biological diversity
      1. The purpose underlying the Renewable Energy Education programmes are Educative and investigative.
  5. Biomass fuels have the potential to form a sustainable carbon-neutral energy source because of they
    1. produce CO2 in combustion as much as they consume when they grow
    2. produce less amount of CO2 on combustion compared to the amount they use during their growth
    3. Have CO2 content same as fossil fuels
    4. Do not produce hazardous emissions on combustion 

6th December Afternoon Session:

  1. The following sequence of disposal options for low hazardous solid waste from industrial and urban sources is in order of increasing desirability – 
    1. indiscriminate dumping<landfill<Incineration<Reuse
      1. Method of disposal – solid waste – By composting
  2. Correct group of diseases caused by polluted water –
    1. cholera, acute diarrhea, typhoid and polio, giardia, amoebiasis.
      1. Not enteritis,tuberculosis, Dengue
  3. The correct sequence of biomass fuels in terms of their energy content per unit mass
    1. coconut shells > Dung(dry) > Unsorted domestic refuse
      1. Biomass power is a source of renewable power which can be developed with minimum cost.
      2. Biomass fuels have the potential to form a sustainable carbon-neutral energy source because they produce CO2 in combustion as much as they consume when they grow.
      3. Indian government’s target of producing power from biomass by the year 2022, is 10 MW
      4.  The biggest hindrance in using biomass as a major energy source is air pollution due to combustion.
  4. Suppose the concentration of CO2 a greenhouse gas responsible for climate change is 400 ppm What is its concentration in air in% terms?
    1. 0.04%
      1. 10 ppm = 0.001%
      2. 100 ppm = 0.01%
      3. 1000 ppm = 0.1%. So, A concentration of 400 ppm means that for every million air particles, 400 of them are carbon dioxide molecules (0.04%).
  5. As per provisions of Paris agreement, the INDC’s(Intended Nationally Determined Contributions – INDC’s ) are to be reviewed every
    1. 5 years
      1. The Paris agreement aims to limit the temperature rise in this century by how 2 degree celsius above the pre-industrial levels.
UGC NET previous year questions
UGC NTA NET Paper-1