Environmental Officer - Environment and Climate Change 98/2014 Answer Key

4/04/2017
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Exam : Environmental Officer
Category Code : 098/2014
Department : Environment and Climate Change Dpt
Qualification : Masters' Degree in Environmental Sciences/Environmental Studies/Environment Management/Environmental Engineering or Environmental Technology.
Date of Test : 03-04-2017


  1. In aerobic metabolism oxygen is the terminal electron acceptor, in ______ metabolism Nitrate is the terminal electron acceptor
    • Anaerobic
    • Anoxic
    • Obligate aerobic
    • Fermentation

  2. The amount of O3 present in atmosphere above a particular location is measured in
    • Dobson Unit
    • ppm
    • ppb
    • mg
  3. Meteorology is the study of
    • Meteors
    • Climate
    • Atmospheric phenomena
    • All of them

  4. Montreal protocol is related to
    • Reducing CO2 emission
    • Reducing the use of pesticides
    • All of these
    • Reducing emission of CFCs

  5. Love Canal is linked with
    • Hazardous waste
    • Nuclear power plant
    • Algal bloom
    • Aral Sea

  6. Piping is a phenomenon observed
    • Below earth surface
    • In the atmosphere
    • Above earth surface
    • In the water column

  7. Mad hatter disease is linked with
    • Cadmium
    • Arsenic
    • Chromium
    • Mercury

  8. London smog is due to high concentration of
    • Oxides of nitrogen
    • Oxides of sulphur
    • Oxides of carbon
    • Volatile organic compounds

  9. The saturation concentration of O2 at sea level is 8.3 mg/L at _______ °C.
    • 0
    • 20
    • 25
    • 30

  10. Which pesticide is linked with Bhopal gas tragedy?
    • DDT
    • Sevin
    • Aldrin
    • Deldrin

  11. The most abundant fossil fuel on planet earth is
    • Coal
    • Peat
    • Bitumen
    • Crude Oil

  12. Which is causing both global warming and ozone depletion?
    • Methane
    • Water vapour
    • Nitrous oxide
    • Carbon dioxide

  13. Global warming will not result in
    • Melting of the ice caps
    • Increasing sea levels
    • Unpredictable climate patterns
    • Increasing the size of the hole in the ozone layer

  14. CDM technologies are linked to
    • CO2 release by plants
    • Ozone depletion
    • Red rains
    • Climate change

  15. ______ poisoning is known as plumbism
    • Copper
    • Lead
    • Mercury
    • Chromium

  16. Which of the following is not a transboundary pollutant?
    • PCB
    • CFC
    • Hg
    • N2O
    Question error

  17. Thermocline in a lake is the zone of
    • Rapid temperature change
    • Constant temperature
    • High temperature
    • High temperature with neutral pH

  18. Critical species whose extinction cause major changes, may also threaten existence of other species constitute a
    • Source population
    • Sink population
    • Metapopulation
    • Keystone species

  19. According to WHO, maximum permissible level of fluoride in drinking water is ________ ppm.
    • 0.3
    • 0.5
    • 1.0
    • 1.5

  20. The earthquake rated as major is with ________ magnitude on Richter scale.
    • >8
    • 6-6.9
    • 5-5.9
    • 7-7.9

  21. Tsunami - literally means
    • Giant waves
    • Harbor waves
    • Water wall
    • Destructive waves

  22. The energy transfer in the food chain is an example of __________ law of thermodynamics.
    • First
    • Second
    • Third
    • Zeroth

  23. The lakes which are poor in nutrients and productivity are ___________ lakes.
    • Mesotrophic
    • Very small
    • Oligotrophic
    • Eutrophic

  24. Black color of the black soils is due to the high content of
    • Sodium
    • Potassium
    • Copper
    • Humus

  25. Which one is an example for a secondary air pollutant?
    • SOx
    • NOx
    • CFC
    • PAN

  26. Silent spring is a _________ on ___________.
    • Book, pesticide toxicity
    • Documentary, climate change
    • Movie, Antarctica
    • Book, melting of polar ice

  27. Abyssal zones are located in
    • Ponds
    • Rivers
    • Lakes
    • Oceans

  28. The chemical reaction Cl +O3 → ClO + O2 results in
    • Melting of permafrost
    • Glaciations
    • Ozone depletion
    • Greenhouse effect

  29. The maximum amount of water that the soil can hold after the loss of gravitational water is known as
    • Field capacity
    • Hygroscopic water
    • Capillary water
    • Stored water

  30. Limnology is a study of
    • Freshwater bodies
    • Aging
    • Tics and mites
    • Termites

  31. 'Silviculture' refers to the practice of
    • Honey bee keeping
    • Growing Silk-worms
    • Silver fish culturing
    • Forest management with objective of producing specific plants

  32. An example of fossil fuel is
    • Wood
    • Gobar gas
    • Charcoal
    • Gasoline

  33. The ecosystem of stagnant freshwater habitat is known as __________ ecosystem
    • Standing crop
    • Lotic
    • Abyssal
    • Lentic

  34. 'Photochemical smog' is caused by the interaction of
    • Hydrocarbons and Ozone
    • Hydrocarbons and NOx
    • NOx and Ozone
    • Hydrocarbons, NOx and Ozone

  35. 'Ramsar Convention' is for
    • Tropical Forests
    • Oceans
    • Mountains
    • Wetlands

  36. Graphite is used as _________ in ___________.
    • Moderator, nuclear reactors
    • Surface coat, electronic chip
    • Brush, electronic devices
    • Packing material, GC columns

  37. Heliophytes are plants which grow in
    • Low intensity of light
    • Full sunlight
    • Complete darkness
    • Saltwater

  38. Sea water will boil at a temperature
    • Lower than pure water
    • Higher than pure water
    • Same as that of pure water
    • Cannot be predicted, it can be higher, same or lower

  39. ________was absent on earth's atmosphere during the early days of origin of life.
    • CO2
    • CH4
    • O2
    • H2

  40. Which one of the following is linked with Methaemoglobinaemia?
    • Methyl mercury
    • Cadmium
    • Arsenic
    • Nitrate

  41. Three Gorges is a
    • Nuclear reactor
    • Biosphere reserve
    • A lake in the USA
    • Dam

  42. The science of cryogenic deals with
    • Crystallography
    • Low pressure
    • Missile technology
    • Low temperature

  43. The salt concentration in the open sea is
    • 1.5%
    • 2.5%
    • 3.5%
    • 3.0%

  44. Monsanto is the firm behind the introduction of _______ in India.
    • BT-cotton
    • Mobile phones
    • LCD Television
    • Plasma TV

  45. El-Nino is
    • A freshwater lake
    • An air current
    • A Glacier
    • An Ocean current

  46. 'Kerogen' is
    • Protein found in Human hair
    • Protein found in cow's milk
    • Solid waxy mixture of hydrocarbons
    • Substance found in Fungal cell wall

  47. Very low BOD level of a water body indicates that the water is
    • Less polluted
    • Highly polluted
    • Rich in heavy metals
    • Contain more organic matter

  48. A vibrational spectroscopy is otherwise known as
    • IR spectroscopy
    • Microwave spectroscopy
    • Electronic spectroscopy
    • Raman spectroscopy

  49. 'Denitrifiers' do the job of converting
    • NH4 into NO2
    • NO3 into Nitrogen
    • NH4 into NO3
    • Nitrogen into NO3

  50. _________ is the zone of ocean where producers of food chain are rarely found.
    • Littoral
    • Limnetic
    • Aphotic of deep sea
    • Intertidal

  51. 'Tektites' are
    • Sediments
    • Meteorites
    • Satellites
    • Solidified droplets of molten rock

  52. Anemometer is used to measure
    • Rain fail
    • Humidity
    • Air temperature
    • Wind velocity

  53. The spectroscopy based on scattering principle is
    • NMR
    • Electronic
    • Microwave
    • Raman

  54. Mycorrhizal association occurs between: Fungi and
    • Moss
    • Pteridophytes
    • Algae
    • Angiosperms

  55. How many Mega diversity hot spots are present in India?
    • 2
    • 3
    • 5
    • 1

  56. Erawady dolphins are found in
    • Vembanadu lake
    • Chilka lake
    • Keibul lamjao
    • Lake Superior

  57. Identify 'Quicklime' from the following
    • Ca(OH)2
    • CaCO3
    • CaHCO3
    • CaO

  58. Biodegradable plastics contains
    • PAH
    • PCB
    • PHA
    • POP

  59. Which one of the following is not found in acid rain?
    • HNO3
    • CH3COOH
    • H2SO3
    • H2SO4

  60. 'Epigeics' is a term related to
    • Birds
    • Earthworms
    • Fishes
    • Mammals

  61. Acute cadmium poisoning is known as
    • Plumbism
    • Bysinnosis
    • Neuralgia
    • Itai-Itai

  62. The presence of which of the following contaminants would be the strongest reason for judging Municipal sewage sludge unfit for use as fertilizer?
    • Ammonia
    • Phosphates
    • Nitrates
    • Heavy metals

  63. 'Our common future' is the report by _________ Commission.
    • Brundtland
    • Swaminathan
    • Gadgil
    • Climate change

  64. 'Betz limit' is linked with __________ energy.
    • Wind
    • Solar
    • Biomass
    • Geothermal

  65. 'Pyrethrin', a biopesticide is derived from
    • Chrysanthemum
    • Neem
    • Bacillus thuringiensis
    • Tobacco

  66. 'Gasohol' is a mixture of ___________ and __________
    • Air, Alcohol
    • Gas, Alcohol
    • Methane, Alcohol
    • Gasoline, Alcohol

  67. Sounds above what level are considered hazardous noise pollution?
    • Above 30 db
    • Above 120 db
    • Above 100 db
    • Above 80 db

  68. 'Solar ponds' function on the basis of
    • Photonics
    • Non-convection
    • Transpiration
    • Convection

  69. Tundra is
    • Rich in Conifers
    • Rich in Pine trees
    • Treeless biome
    • A desert

  70. __________ convention banned the world wide use of endosulfan.
    • Nairobi
    • Basel
    • Stockholm
    • Geneva

  71. 'Knock-knee syndrome' is due to
    • Arsenic toxicity
    • Cadmium toxicity
    • Selenium toxicity
    • Fluoride toxicity

  72. The common coagulant used in water treatment is
    • (CaSO4)2. 2H2O
    • Al2(SO4)3. 14H2O
    • Al2(SO4)3. H2O
    • CH3COOH

  73. Secchi discs are used in __________ studies.
    • Microbiological
    • Water quality
    • Air quality
    • Quadrate

  74. 'Pyrology' is the study of
    • Distribution of animals in relation to temperature
    • Distribution of plants in forests in relation to light
    • Role of fire in ecology
    • Variation in species distribution in relation to ambient temperature

  75. Through a chemical process coal is converted to a liquid/gas fuel known as
    • Synfuel
    • Coal fuel
    • Natural fuel
    • Oil shale

  76. OTEC is a technology for
    • Conservation of Ocean biodiversity
    • Prevention of marine pollution
    • Bioremediation of ocean oil spill
    • Obtaining energy from ocean

  77. 'Albedo' is
    • A fraction of incoming solar radiation that is reflected
    • Lack of pigmentation in the skin
    • A small country in Africa
    • A variety of rodent

  78. Which agency co-ordinates the EIA related activities in India?
    • MoEF
    • DST
    • CPCB
    • MoES

  79. In a completely mixed system of wastewater treatment, when the flow rate (Q) is given as 20,000 L per day, calculate the HRT with which the unit is operated while its volume (V) is one lakh litres?
    • 500 days
    • 50 days
    • 0.5 days
    • 5 days

  80. 'Super fund' was created in _________ country for the purpose of ___________.
    • UK, curbing terrorism
    • India, for constructing Landfills
    • USA, for remediating areas dumped with toxic/hazardous wastes
    • Japan, for rehabilitating Tsunami victims

    81.
  81. The founder of Sidhasramam at Alathur was
    • Brahmananda Sivayogi
    • Vaikunda Swami
    • Chattampi Swamikal
    • Vagbhatananda

  82. The venue of 2020 Olympics
    • Rio de Janeiro
    • Pyeongchang
    • Beijing
    • Tokyo

  83. The play Nil Darpan was written by
    • Bankim Chandra Chatterjee
    • S. C. Bose
    • Dinabandhu Mithra
    • Vimal Mithra

  84. The President of the Lahore Congress of 1929
    • M. K. Gandhi
    • C. R. Das
    • Jawaharlal Nehru
    • S. C. Bose

  85. Who gave the epithet 'Pulayaraja' to Ayyankali?
    • Sree Narayana Guru
    • Swami Vivekananda
    • M. K. Gandhi
    • Chattampi Swamikal

  86. Who won the Nobel Prize in Literature 2016?
    • Yoshinori
    • Juan Manuel Santos
    • Bob Dylan
    • Svetlana Alexievich

  87. Which river in Kerala was referred as river Churni in Kautilya's Arthasastra?
    • Periyar
    • Bharathapuzha
    • Pamba
    • Chaliyar

  88. Temple Entry Proclamation was made in the year
    • 1924
    • 1928
    • 1931
    • 1936

  89. Mahatma Gandhi presided over the annual session of the Indian National Congress only once at
    • Lucknow
    • Belgaum
    • Lahore
    • Kanpur

  90. Nadhula Pass is situated in
    • Maharashtra
    • Arunachal Pradesh
    • Sikkim
    • Madhya Pradesh

  91. The winner of the World Chess Championship 2016
    • Sergey Karjakin
    • Fabiano Caruana
    • Viswanathan Anand
    • Magnus Carlsen

  92. The founder and publisher of the newspaper Swadeshabhimani was
    • C. Kesavan
    • Ramakrishna Pillai
    • T. K. Madhavan
    • Vakkam Abdul Khader Maulavi

  93. According to 2011 census which is the most populous State
    • Madhya Pradesh
    • Rajasthan
    • Maharashtra
    • Uttar Pradesh

  94. Whom did B. G. Tilak call 'The Diamond of India'?
    • Lalalajpat Rai
    • Rabindranath Tagore
    • Dadabhai Naoroji
    • Gopala Krishna Gokhale

  95. The largest freshwater lake in Kerala
    • Kayamkulam Lake
    • Vembanad Lake
    • Ashtamudi Lake
    • Sasthamkotta Lake

  96. Who among the following is the Chief Justice of India?
    • J. S. Khehar
    • H. L. Dattu
    • T. S. Thakur
    • R. M. Lodha

  97. 'Sadhu Jana Paripalana Yogam' was founded by
    • Vagbhatananda
    • K. Ayyappan
    • V. T. Bhattathiripad
    • Ayyankali

  98. Who is known as 'Father of Indian Unrest'?
    • M. G. Ranade
    • B. G. Tilak
    • Dadabhai Naoroji
    • M. K. Gandhi

  99. Who is the present Secretary General of UNO?
    • Ban Ki-Moon
    • Antonio Guterres
    • Kofi Annan
    • Kurt Waldheim

  100. Who said "Hinduism dies, if untouchability lives, and untouchability has to die if Hinduism is to live
    • Swami Vivekananda
    • M. K. Gandhi
    • B. R. Ambedkar
    • Sree Narayana Guru

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