18th December 2018 Shift-1:

  1. Which of the following gases initiates a chain reaction that breaks-down ozone in the upper atmosphere?
    1. Options:-
      1. Carbon dioxide
      2. Nitrogen Dioxide
      3. Hydrogen sulfide
      4. Chlorine
  2. Assertion (A): The ecosystem surrounding a river gets damaged due to the construction of a dam.
    1. Reason (R): The area gets inundated with a large volume of water.
    2. Choose the correct code:
    3. Options:-
      1. (A) is false, but (R) is true.
      2. Both (A) and (R) are true, but (R) is not the correct explanation of (A).
      3. (A) is true, but (R) is false.
      4. Both (A) and (R) are true, but (R) is the correct explanation of (A).
  3. High-level lead (Pb) exposures in humans through inhalations or food consumption may cause:
    1. Mental retardation
    2. High blood pressure
    3. Disorder of the central nervous system
  4. The tsunami that occurred in south and south-east Asia in December, 2004 was caused due to:
    1. Options:-
      1. A hurricane
      2. An earthquake
      3. A volcanic eruption
      4. A tropical cyclone
  5. In a human population, which is undergoing the demographic transition, which of the following generally decreases first?
    1. Options:-
      1. Life expectancy
      2. Death rate
      3. Level of education
      4. Birth rate

18th December 2018 Second Shift:

  1. In the two sets given below, set-I specifies level in a water sample, while set – II provides observations. Match the two sets and indicate your answer from the code given below.
    1. Set – I – ( level in water sample)
    2. (a) Nitrous oxide is produced
    3. (b) Nitrous oxide is produced and is small in quantity
    4. (c) Nitrous oxide is produced and is medium in quantity
    5. (d) Nitrous oxide is produced and is high in quantity
      1. Set – II (Observation)
    6. (i) Dark black – high water pollution
    7. (ii) No colour – clean water
    8. (iii) Light black – low water pollution
    9. (iv) Black – moderate water pollution
    10. Options:
    11. (a) (b) (c) (d)
      1. (i) (ii) (iii) (iv)
      2. (iv) (i) (ii) (iii)
      3. (iii) (iv) (i) (ii)
      4. (ii) (iii) (iv) (i)
  2. Which of the following statements are indicative of the vision of Blue – Revolution? For your answer select from the code:
    1. Code:
    2. (A) Promoting the development of Botanical Gardens.
    3. (B) Creating an enabling environment for the full potential of fisheries in the country.
    4. (C) Improving the income status of fish farmers keeping in view the sustainability concerns.
    5. (D) Encouraging scientific research in forestry to increase the vegetation cover.
    6. (E) Promoting integrated development of fisheries of the country.
    7. (F) Undertaking research in new areas like marine finfish.
    8. Options:
      1. (A) (b), (c) and (e)
      2. (B) (b), (c) and (a)
      3. (C) (a), (d) and (f)
      4. (D) (c), (d) and (e)
  3. Below are given two sets. Set – I mentions the types of pollution, while Set – II indicates their source. Match the two sets an selects your answer from the code.
    1. Set – I  (Pollution Type)
    2. (a) Air
    3. (b) Land
    4. (c) Water
    5. (d) Noise
      1. Set – II (Source)
    6. (i) Point and non –point source such as discharges from industries etc.
    7. (ii) Industries’ thermal power plants and motor vehicle emissions.
    8. (iii) Roadway, aircraft, industrial as well as high-intensity sonar.
    9. (iv) Overuse of chemical fertilizers.
      1. Options:
      2. (a) (b) (c) (d)
      3. (iii) (i) (ii) (iv)
      1. (i) (ii) (iii) (iv)
      1. (ii) (iv) (i) (iii)
      1. (iv) (iii) (ii) (i)
  4. Which of the following provisions are directly covered in the Environment Protection Act, 1986?
    1. Protection and conservation of forest and matters connected therewith
    2. Protection and safety of wild animals, birds, and plants and for matters connected therewith
    3. Protection and improvement of quality environment and preventing, controlling, and abating environmental pollution
    4. Prevention and control of water pollution.

19th December 2018 First Shift:

  1. Below are given a number of roles and functions at the government/non-government level indicating the specific responsibilities of the Ministry of Drinking Water and Sanitation. Identify those statements which indicate the areas of responsibility of this ministry. Select from the code to give your answer:
    1. Options:
    1. Overall policy and planning in respect programmes of drinking water and sanitation.
    2. Funding in respect of the programmes listed in (a).
    3. Coordination of programmes floated.
    4. Supply of food grains at reasonable price to the consumers.
    5. Achieving the goal of zero hunger,
    6. Implementation of Swachh Bharat Abhiyan in rural India.
    7. Monitoring of prices and availability of essential commodities.
      1. Options:-
      2. (a), (c), (d) and (e)
      3. (a), (b), (d) and (e)
      4. (a), (b), (c) and (f)
      5. (a), (b), (c) and (g)
  2. Following are two sets of items. Set-I lists different types of washes, while Set-II indicates the method of their disposal. Match the two sets and give your answer from the code given below:
    1. Set-I (Types of Waste) Set- II(Methods of Disposal)
    1. Dry waste –     By composting
    2. Wet waste –     By burying in landfills
    3. Toxic waste –   By dropping them incorporation bins.
    4. Soiled waste – By recycling
      1. (a)-(iv), (b)-(i), (c)-(ii), (d)-(iii)
      2. (a)-(ii), (b)-(iii), (c)-(iv), (d)-(i)
      3. (a)-(i), (b)-(ii), (c)-(iii), (d)-(iv)
      4. (a)-(iii), (b)-(iv), (c)-(i), (d)-(ii)
  3. The purpose underlying the Renewable Energy Education programmes are:
    1. Preventive and ameliorative
    2. Educative and investigative
    3. Corrective and predictive
    4. Diagnostic and evaluative

19th December 2018 Second Shift:

  1. One of the following has a positive human influence on the environment:
    1. Option:-
      1. Pollution
      2. Deforestation
      3. Conservation
      4. Overpopulation
  2. RFID is an acronym for:
    1. Options:-
      1. Runtime Frequency Identification
      2. Roaming Frequency Identification
      3. Radio Frequency Identification
      4. Remote Frequency Identification
  3. Assertion (A): Hydropower is an exhaustible energy resource.
    1. Reason (R): The power of falling water would neither diminish nor get exhausted.
    2. Options:-
      1. Both (A) and (R) are true but (R) is not, the correct explanation of (A)
      2. Both (A) and (R) are false
      3. (A) is true, but (R) is false
      4. Both (A) and (R) are true and (R) is the correct explanation of (A)
  4. Recently in Brazil, a bacterium showed the antibiotic resistance, which was not reported previously:
    1. Pseudomonas species
    2. Klebsiella species
    3. Streptococcus species
    4. Salmonella species
  5. Assertion (A): The environmental impact of soil erosion can best be mitigated by removing vegetative cover only from the specific site on which construction is to take place.
    1. Reason (R): The environmental impact of soil erosion can also be mitigated by disturbing the vegetation in adjacent areas as little as possible.
    2. Options:-
      1. Both (A) and (R) are true but (R) is not, the correct explanation of (A)
      2. Both (A) and (R) are true and (R) is the correct explanation of (A)
      3. (A) is true, but (R) is false
      4. (A) is false, but (R) is true
  6. In the scheme of life, the soil is an essential resource of life, as it plays the following roles.
    1. It is a reservoir of carbon.
    2. It is the medium for the growth of food and energy for the animal world.
    3. It provides oxygen to the biotic community.
    4. It is a natural reservoir for the huge among of water. Select the correct answer from the above:
      1. (b), (c) and (d)
      2. (a), (b) and (d)
      3. (a), (c) and (d)
      4. (a), (b) and (c)

20 December 2018 first shift:

  1. An earthquake is rated as ‘major’ id its magnitude in the Richter Scale is in the range of:
    1. Options:-
      1. 6.0-6.9
      2. 4.0-4.9
      3. 7.0-7.9
      4. 5.0-5.9
  2. Assertion (A): Climate change is going to increase social tension in India.
    1. Reason (R): The frequency and intensity of extreme weather events will have serious consequences for food security.
      1. Options:-
    1. Both (A) and (R) are true and (R) is not the correct explanation of (A).
    2. (A) is false, but (R) is true.
    3. (A) is true, but (R) is false.
    4. Both (A) and (R) are true and (R) is the correct explanation of (A).
  3. Which among the following industries, consumes maximum water in India?
    1. Options:-
      1. Thermal power plants
      2. Engineering
      3. Paper and pulp
      4. Textiles
  4. The biggest hindrance in using biomass as a major energy source is:
    1. Options:-
      1. Air pollution due to combustion.
      2. Technology not well developed for commercialization.
      3. A large amount of land required to grow energy crops.
      4. The energy yield of low level.
  5. Plants suitable for biomonitoring of Sulphur Dioxide pollution are:
    1. Options:-
      1. White pine, moss and lichens
      2. Tobacco, grapes and garden bean
      3. Apricot, peach and gladiolus
      4. Tomato and lettuce

20 December 2018 Second Shift:

  1. The most harmful types of environmental pollutants are:
    1. Options:-
      1. Non-biodegradable chemicals
      2. Wastes from faecal matter
      3. Natural nutrients present in excess
      4. Human organic wastes
  2. As per Central Forestry Commission (CFC), how many forest types are found in our country?
    1. Options:-
      1. 20
      2. 15
      3. 28
      4. 16
  3. Which of the following diagrams indicates the best relation between India, world and New Delhi?
    1. 1. Image of Venn diagrams 1 indicates the best relation Image of Venn Diagrams 1 Indicates the Best Relation
  4. Assertion (A): Natural gas is a very attractive eco-friendly fuel.
    1. Reason (R): It produces few pollutants and less carbon dioxide per unit energy than any other fossil fuel on combustion.
    2. Options:-
      1. Both (A) and (R) are true and (R) is the correct explanation of (A).
      2. (A) is false, but (R) is true.
      3. (A) is true, but (R) is false.
      4. Both (A) and (R) are true and (R) is not the correct explanation of (A).
  5. What percentage of energy coming from the Sun is re-radiated towards space?
    1. Options:-
      1. 50%
      2. 25%
      3. 15%
      4. 30%

21st December 2018 First Shift :

  1. Assertion (A) : Hails damage the standing crops.
    1. Reason (R): In India, hails occur only during the winter season
    1. Options:-
      1. (A) is false, but (R) is true.
      2. (A) is true, but (R) is false.
      3. Both (A) and (R) are true and (R) is not the correct explanation of (A).
      4. Both (A) and (R) are true and (R) is the correct explanation of (A).
  2. Least polluting energy-generating technique among the following is:
    1. Fission based nuclear energy
    2. Thermal power
    3. Photovoltaic
    4. Magneto-hydrodynamic
  3. Largest amount of freshwater is present in :
    1. Options:-
      1. Glaciers
      2. Rivers
      3. Lakes
      4. Polar ice

21st December 2018 Second Shift:

  1. International Drinking Water Supply and Sanitation Decade (IDWSSD) was observed between:
    1. Options:-
      1. 1991-2000
      2. 1971-1980
      3. 1965-1975
      4. 1981-1990
  2. Consider the following statements:
    1. The radiation reflected back to the atmosphere is called albedo.
    2. The atmosphere is essential in maintaining the heat balance of the body.
    3. The heat and sunlight both pass through the atmosphere. Which of the statements(s) given above is/are correct?
      1. Options:-
      1. (a) and (b)
      2. (a), (b) and (c)
      3. Only (a)
      4. (b) and (c)
  3. SIM means:
    1. Options:-
      1. Subscriber Information Module
      2. Special Identity Module
      3. System Information Module
      4. Subscriber Identity Module
  4. Assertion (A): Environmental and social impact assessments never overlap with each other.
    1. Reason (R): Environmental and social impact assessments are effectively opposite ends of the same spectrum.
    2. Options:
    3. (A) is false, but (R) is true.
    1. Both (A) and (R) is not the correct explanation of (A).
    2. Both (A) and (R) are true and (R) is the correct explanation of (A).
    3. (A) is true, but (R) is false.
  5. What is the long term effect of cutting down larger areas of rain forests?
    1. Options:-
      1. Increased rate of soil erosion
      2. Increased rainfall in these areas
      3. Decreased carbon dioxide content in the air
      4. Decreased flooding of low-lying land
  6. Recent study showed that, River Ganga will not flow cleaner in the near future. Which of the following reasons is false?
    1. Options:-
      1. Climatic change
      2. Increased sewage
      3. Failure of treatment plants
      4. Thinning of the Flow rate of the river

22 December 2018 First Shift:

  1. A source of renewable power which can be developed with minimum cost is:
    1. Options:-
      1. Geothermal energy
      2. Tidal power
      3. Windmills
      4. Biomass power
  2. Natural vegetation of an area needs to be preserved for the future, mainly for the purpose of:
    1. Options:-
      1. Providing material for breeding new species
      2. Study by scientists
      3. Preventing soil erosion
      4. Providing habitat for birds
  3. How much carbon is being added to the atmosphere by burning of fossil fuels?
    1. Options:-
      1. 6 – 9 billion tons
      2. 2 – 6 billion tons
      3. 9 – 12 billion tons
      4. 4 – 6 billion tons
  4. The annual range of temperature in the interior of the continents is high compared to coastal areas. What is/are the reason(s)?
    1. Thermal difference between land and water.
    2. Variations in altitude between continents and oceans.
    3. Presence of strong winds in the interior.
    4. Heavy rains in the interior as compared to the coastal region.
      1. Options:-
      2. (a) only
      3. (a), (b), (c) and (d)
      4. (b) and (c) only
      5. (a) and (b) only
  5. In which part of India, the tropical western Ghats are situated?
    1. Options:-
    2. Punjab
    3. Kerala
    4. Rajasthan
    5. Gujarat

22 December 2018 Second Shift:

  1. The two major processes involved in the carbon cycle are:
    1. Options:-
      1. Photosynthesis and respiration
      2. Deposition and erosion
      3. Fixation and denitrification
      4. Evaporation and transpiration
  2. Which of the following methods would be most appropriate in reducing acid rain and acid deposition problems?
    1. Adding lime to the acidic lakes
    2. Promotion of acid-resistant crops
    3. Increasing the height of smokestacks
    4. Reducing the use of fossil fuels
  3. Which of the following best describes the mechanism of the greenhouse effect in the earth’s atmosphere?
    1. Options:-
      1. Ultraviolet radiation from the sun is absorbed by Ozone layer in the stratosphere.
      2. Gamma radiation from the sun is absorbed at ground level by dust particles in the atmosphere.
      3. Infrared radiation from earth’s surface is absorbed by gases in the atmosphere.
      4. Cosmic radiation from the space is absorbed by gases in the atmosphere.
  4. Assertion (A): Mapping of landslide-prone areas and construction of houses, feeling of trees and grazing in landslide-prone areas should be prohibited.
    1. Reason (R): Afforestation in the vulnerable areas is an effective way of durable landslides control
    2. Choose the correct code:
    3. Options:-
      1. (A) is false and (R) is true.
      2. (A) is true and (R) is false.
      3. Both (A) and (R) are correct, but (R) is not the correct explanation of (A).
      4. Both (A) and (R) are correct, but (R) is the correct explanation of (A).
  5. Human Populations have historically settled in flood plains due to which of the following reasons?
    1. Flood plains are close to rivers for transportation.
    2. The soils in the flood plains are usually fertile.
    3. The terrain in flood plains is found as flat.
    4. Select the correct answer form the code given below:
      1. Options:-
      1. (a) and (b) only
      2. (b) and (c) only
      3. (a) only
      4. (a), (b) and (c)
UGC NET previous year questions