GREEN OLYMPIAD QUESTION PAPER 2018 WITH SOLUTION

LEVEL 1 (CLASSES 4 AND 5) QN 1 TO 50.

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1. What is the term used for a person who fits and repairs pipes, fixtures, taps, and so on?

a) Mason
b) Plumber
c) Architect
d) Electrician
Answer: b) Plumber

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2. How do puddles dry naturally?

a) Condensation
b) Evaporation
c) Mixing with soil
d) None of the above
Answer: b) Evaporation

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3. Consuming inadequate water can cause:

a) Evaporation
b) Dehydration
c) Condensation
d) All of the above
Answer: b) Dehydration

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4. _____ does not readily mix with water.

a) Milk
b) Oil
c) Cold drink
d) Vinegar
Answer: b) Oil

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5. Which method of cooking depends on water?

a) Roasting
b) Grilling
c) Steaming
d) Frying
Answer: c) Steaming

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6. Which organism helps convert organic waste into manure?

a) Common house fly
b) Black ants
c) Earthworms
d) White termites
Answer: c) Earthworms

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7. Waste treatment method where thermal energy is extracted:

a) Recycling
b) Landfilling
c) Incineration
d) Composting
Answer: c) Incineration

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8. Best way to manage solid waste:

a) Collection → segregation → recycling → treatment
b) Collection → recycling → segregation → treatment
c) Waste minimization → segregation → recycling → treatment
d) Waste minimization → collection → segregation → treatment
Answer: c) Waste minimization → segregation → recycling → treatment

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9. Substance NOT to be added to vermicompost pit:

a) Coconut shells
b) Left-over pickle
c) Dry leaves
d) Pineapple waste
Answer: b) Left-over pickle

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10. Substances essential for growth and life are called:

a) Nutrients
b) Carbohydrates
c) Proteins
d) Vitamins
Answer: a) Nutrients

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11. Which of the following is an air pollutant?

a) Oxygen
b) Carbon dioxide
c) Ozone
d) Soot (smoke)
Answer: d) Soot (smoke)

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12. Gas released from vehicles causing breathing difficulty:

a) Oxygen
b) Carbon monoxide
c) Nitrogen
d) Helium
Answer: b) Carbon monoxide

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13. Best way to conserve energy:

a) Keep lights on
b) Use CFL/LED bulbs
c) Leave tap open
d) Use car for short distances
Answer: b) Use CFL/LED bulbs

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14. Main source of drinking water in most Indian villages:

a) Tanker water
b) Sea water
c) Ground water
d) River water
Answer: c) Ground water

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15. Water changing to vapour is called:

a) Melting
b) Precipitation
c) Evaporation
d) Collection
Answer: c) Evaporation

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16. Water cycle involves:

a) Evaporation
b) Condensation
c) Precipitation
d) All of the above
Answer: d) All of the above

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17. Which is biodegradable?

a) Polythene bags
b) Fruit peels
c) Aluminium foil
d) Glass
Answer: b) Fruit peels

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18. Study of plants is called:

a) Zoology
b) Ecology
c) Botany
d) Geology
Answer: c) Botany

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19. Main purpose of planting trees in cities:

a) Increase temperature
b) Provide shade & improve air quality
c) Use more water
d) Block sunlight
Answer: b) Provide shade & improve air quality

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20. Animals that eat only plants are called:

a) Herbivores
b) Carnivores
c) Omnivores
d) Decomposers
Answer: a) Herbivores

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21. Red Data Book provides info about:

a) Local festivals
b) Endangered species
c) Traffic rules
d) Traditional recipes
Answer: b) Endangered species

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22. A renewable source of energy:

a) Solar energy
b) Coal
c) Petroleum
d) Diesel
Answer: a) Solar energy

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23. Air is a mixture of:

a) Gases
b) Metals
c) Liquids
d) Solids
Answer: a) Gases

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24. Water is also called:

a) H₂O
b) CO₂
c) O₂
d) SO₂
Answer: a) H₂O

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25. Natural fertilizer:

a) Compost
b) Plastic bags
c) Battery cells
d) Iron rods
Answer: a) Compost

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26. Main function of the ozone layer:

a) Absorb greenhouse gases
b) Provide oxygen
c) Protect from UV rays
d) Cool atmosphere
Answer: c) Protect from UV rays

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27. Excessive groundwater use in agriculture is due to:

a) Industrialization
b) Inefficient irrigation
c) Urbanization
d) Power generation
Answer: b) Inefficient irrigation

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28. Metal that is liquid at room temperature:

a) Iron
b) Gold
c) Mercury
d) Copper
Answer: c) Mercury

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29. Season when water scarcity occurs:

a) Monsoon
b) Summer
c) Winter
d) None
Answer: b) Summer

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30. Main cause of water pollution:

a) Washing clothes
b) Throwing plastic & chemicals
c) Boiling water
d) Using rainwater
Answer: b) Throwing plastic & chemicals

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31. Practice that helps conserve water:

a) Tap kept open
b) Fixing leaking taps
c) Washing vehicles daily
d) Watering with hose
Answer: b) Fixing leaking taps

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32. Energy used by solar cooker:

a) Wind
b) Solar
c) Hydro
d) Nuclear
Answer: b) Solar

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33. National parks are set up to:

a) Provide employment
b) Build houses
c) Protect wildlife and biodiversity
d) Promote industries
Answer: c) Protect wildlife and biodiversity

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34. PET bottles are made of:

a) Ceramic
b) Plastic
c) Aluminium
d) Paper
Answer: b) Plastic

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35. NOT a natural disaster:

a) Earthquake
b) Cyclone
c) Tsunami
d) Pollution
Answer: d) Pollution

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36. More environment-friendly transport:

a) Car
b) Motorbike
c) Bicycle
d) Scooter
Answer: c) Bicycle

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37. House built of snow:

a) Tent
b) Igloo
c) Hut
d) Bungalow
Answer: b) Igloo

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38. Which increases soil fertility?

a) Chemical fertilizers
b) Crop rotation
c) Burning stubble
d) Leaving land fallow
Answer: b) Crop rotation

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39. Cutting down large numbers of trees is called:

a) Deforestation
b) Afforestation
c) Reforestation
d) Urbanization
Answer: a) Deforestation

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40. Example of non-biodegradable waste:

a) Vegetable peels
b) Newspaper
c) Polythene bag
d) Egg shells
Answer: c) Polythene bag

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41. Submerged part of an iceberg is:

a) Smaller than above
b) Larger than above
c) Equal to above
d) Zero
Answer: b) Larger than above

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42. Major constituent of air:

a) Oxygen
b) Carbon dioxide
c) Nitrogen
d) Water vapour
Answer: c) Nitrogen

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43. Component needed for growth and repair of tissues:

a) Fats
b) Vitamins
c) Proteins
d) Carbohydrates
Answer: c) Proteins

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44. Process of producing young ones of same kind:

a) Pollination
b) Germination
c) Reproduction
d) Transpiration
Answer: c) Reproduction

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45. The sun appears to rise in the:

a) East
b) West
c) North
d) South
Answer: a) East

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46. NOT a waterborne disease:

a) Cholera
b) Malaria
c) Typhoid
d) Diarrhea
Answer: b) Malaria

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47. Green pigment in leaves:

a) Chlorophyll
b) Hemoglobin
c) Melanin
d) Keratin
Answer: a) Chlorophyll

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48. Animal that lives on land and in water:

a) Tiger
b) Frog
c) Cow
d) Lion
Answer: b) Frog

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49. Chemical whose excessive use affects groundwater quality:

a) Fertilizer
b) Petroleum
c) Detergent
d) Soap
Answer: a) Fertilizer

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50. Why should we use public transport?

a) Reduces traffic & pollution
b) It is costly
c) Consumes more fuel
d) None
Answer: a) Reduces traffic & pollution

LEVEL 2 ( CLASSES 6,7 AND 8) QNO 51 TO 100.

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51. What term describes the storehouse of water between layers of hard rock?

a) Water table
b) Oasis
c) Aquifer
d) None
Answer: c) Aquifer

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52. Sullage (grey water) originates from:

a) Kitchen and bathroom
b) Kitchen and toilet
c) Kitchen, bathroom, and toilet
d) None
Answer: a) Kitchen and bathroom

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53. Civilization with earliest flush toilets & sanitation system:

a) Aztecs
b) Indus Valley
c) Mesopotamian
d) Roman
Answer: b) Indus Valley

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54. Drinking water is called:

a) Freshwater
b) Clean water
c) Potable water
d) Neutral water
Answer: c) Potable water

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55. Best disposal of crop residue:

a) Throw into water bodies
b) Dump at disposal site
c) Burn in kilns
d) Make pellets as industrial fuel
Answer: d) Make pellets as fuel

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56. Property used to identify organic load in wastewater:

a) Total suspended solids
b) Chemical oxygen demand (COD)
c) Biochemical oxygen demand (BOD)
d) Total Kjeldahl nitrogen
Answer: c) BOD

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57. Item that cannot be decomposed naturally:

a) Egg shells
b) Tea bags
c) Styrofoam plates
d) Waste paper
Answer: c) Styrofoam plates

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58. Hazardous materials are:

a) Toxic
b) Explosive
c) Non-fatal
d) Explosive and toxic
Answer: d) Explosive and toxic

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59. Practice involving selective removal of plant parts:

a) Weeding
b) Chopping
c) Trimming
d) Pruning
Answer: d) Pruning

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60. Longest canal in India:

a) West Coast Canal
b) Upper Ganges Canal
c) Buckingham Canal
d) Indira Gandhi Canal
Answer: d) Indira Gandhi Canal

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61. IUCN stands for:

a) International Union for Conservation of Nature
b) Integrated Union for Concreting Nations
c) International Urban Climate Network
d) International Union for Converging Nations
Answer: a) International Union for Conservation of Nature

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62. Study of relationships between organisms & environment:

a) Ecology
b) Zoology
c) Anatomy
d) Botany
Answer: a) Ecology

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63. Gas most responsible for acid rain:

a) Carbon dioxide
b) Sulphur dioxide
c) Nitrogen oxide
d) Hydrogen sulphide
Answer: b) Sulphur dioxide

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64. Green pigment in leaves:

a) Melanin
b) Chlorophyll
c) Hemoglobin
d) Myoglobin
Answer: b) Chlorophyll

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65. Excessive nutrients in water cause:

a) Water hardness
b) Eutrophication
c) Sedimentation
d) Distillation
Answer: b) Eutrophication

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66. Gas produced during anaerobic decomposition of organic matter:

a) Carbon dioxide
b) Methane
c) Oxygen
d) Nitrogen
Answer: b) Methane

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67. Most environment-friendly energy source:

a) Wind energy
b) Nuclear energy
c) Diesel energy
d) Petrol energy
Answer: a) Wind energy

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68. Maximum freshwater on Earth is stored in:

a) Lakes
b) Rivers
c) Glaciers & icecaps
d) Groundwater
Answer: c) Glaciers & icecaps

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69. Plants manufacture food by:

a) Digestion
b) Photosynthesis
c) Respiration
d) Fermentation
Answer: b) Photosynthesis

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70. Main method of soil conservation:

a) Burning stubble
b) Terrace & contour farming
c) Using chemical fertilizers
d) Ploughing along slopes
Answer: b) Terrace & contour farming

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71. Water-conserving irrigation method:

a) Drip irrigation
b) Sprinkler irrigation
c) Canal irrigation
d) Flood irrigation
Answer: a) Drip irrigation

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72. Total water vapour in air is:

a) Humidity
b) Temperature
c) Pressure
d) Velocity
Answer: a) Humidity

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73. Water movement through plants and evaporation:

a) Germination
b) Transpiration
c) Respiration
d) Photosynthesis
Answer: b) Transpiration

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74. Laughing gas:

a) Nitrous oxide
b) Carbon monoxide
c) Methane
d) Oxygen
Answer: a) Nitrous oxide

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75. Disease caused by contaminated water:

a) Jaundice
b) Asthma
c) Rickets
d) Night blindness
Answer: a) Jaundice

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76. Natural purification of water through soil:

a) Filtration
b) Decantation
c) Sedimentation
d) Centrifugation
Answer: a) Filtration

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77. NOT a source of air pollution:

a) Automobile exhaust
b) Factories
c) Forests
d) Burning dry leaves
Answer: c) Forests

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78. Solid waste from hospitals is:

a) Industrial waste
b) Radioactive waste
c) Biomedical waste
d) Electronic waste
Answer: c) Biomedical waste

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79. Best way to reduce waste generation:

a) Buy products with minimum packaging
b) Use disposable items
c) Eat packed food
d) Buy packaged water bottles
Answer: a) Buy products with minimum packaging

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80. Main cause of vulture decline in India:

a) Antibiotics
b) Diclofenac
c) Pesticides
d) Insecticides
Answer: b) Diclofenac

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81. Study of birds is called:

a) Ornithology
b) Zoology
c) Botany
d) Ethology
Answer: a) Ornithology

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82. “Blue Planet” refers to:

a) Mars
b) Neptune
c) Earth
d) Venus
Answer: c) Earth

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83. “Ship of the Desert”:

a) Camel
b) Elephant
c) Horse
d) Lion
Answer: a) Camel

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84. Conversion of liquid water to vapour:

a) Condensation
b) Evaporation
c) Filtration
d) Precipitation
Answer: b) Evaporation

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85. Water obtained from distillation is:

a) Salty
b) Pure
c) Hard
d) None
Answer: b) Pure water

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86. Potable water means:

a) Suitable for drinking
b) Suitable for irrigation
c) Suitable for engines
d) Suitable for washing
Answer: a) Suitable for drinking

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87. Non-renewable energy source:

a) Wind
b) Solar
c) Biogas
d) Thermal power
Answer: d) Thermal power

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88. Aim of waste segregation:

a) Protect environment
b) Facilitate recycling and disposal
c) Increase waste
d) None
Answer: b) Facilitate recycling and disposal

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89. Common urban cooking fuel in India:

a) LPG
b) Kerosene
c) Biogas
d) Charcoal
Answer: a) LPG

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90. Pollutants removed by rain is called:

a) Leaching
b) Wet deposition
c) Absorption
d) Condensation
Answer: b) Wet deposition

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91. Renewable source that does NOT pollute:

a) Wind energy
b) Nuclear energy
c) Bioenergy
d) Fossil fuels
Answer: a) Wind energy

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92. NOT a greenhouse gas:

a) Carbon dioxide
b) Methane
c) Nitrous oxide
d) Nitrogen
Answer: d) Nitrogen

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93. Treatment of contaminated groundwater:

a) Bioremediation
b) Chlorination
c) Aeration
d) Filtration
Answer: a) Bioremediation

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94. Gas used in food packaging to increase shelf life:

a) Oxygen
b) Nitrogen
c) Carbon dioxide
d) Hydrogen
Answer: b) Nitrogen

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95. Best method to conserve biodiversity:

a) Creating protected areas
b) Hunting
c) Capturing exotics
d) Deforestation
Answer: a) Creating protected areas

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96. Plastic that can be recycled repeatedly:

a) Thermoplastics
b) Thermosetting plastics
c) Synthetics
d) Polyesters
Answer: a) Thermoplastics

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97. Conversion of food into simpler substances:

a) Photosynthesis
b) Digestion
c) Respiration
d) Germination
Answer: b) Digestion

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98. Non-magnetic metal:

a) Nickel
b) Iron
c) Copper
d) Cobalt
Answer: c) Copper

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99. Most common non-renewable energy used for electricity in India:

a) Solar
b) Coal
c) Wind
d) Geothermal
Answer: b) Coal

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100. Mineral essential for strong bones & teeth:

a) Iron
b) Potassium
c) Calcium
d) Zinc
Answer: c) Calcium

LEVEL 3 (CLASSES 9 AND 10) QNO 101-150

101. Largest inland saltwater lake in India:

a) Chilika
b) Sambhar
c) Lonar Crater
d) Pulicat
Answer: b) Sambhar

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102. Largest source of irrigation in India:

a) Rivers
b) Canals
c) Lakes
d) Wells and tube-wells
Answer: d) Wells and tube-wells

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103. NOT an example of diffusion:

a) Fragrance of perfume
b) Fogging of mirror during hot shower
c) Aroma of food
d) Teabag in hot water
Answer: b) Fogging of a mirror

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104. Ravi & Beas Water Disputes Tribunal concerns:

a) Punjab, Haryana, and J&K
b) Punjab, Haryana, and Delhi
c) Punjab, Haryana, and Rajasthan
d) Punjab, Haryana, and Uttar Pradesh
Answer: c) Punjab, Haryana, and Rajasthan

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105. Institute for ocean study under CSIR:

a) Marine Oceans Study
b) Centre for the Study of Oceans
c) National Institute of Oceanography
d) National Centre for Oceanography
Answer: c) National Institute of Oceanography

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106. First Indian state to ban plastic bags (1998):

a) Assam
b) Meghalaya
c) Sikkim
d) Manipur
Answer: c) Sikkim

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107. Agency that laid guidelines for dismantling e-waste:

a) Local panchayats
b) Municipalities
c) Industrial Development Board
d) Central Pollution Control Board
Answer: d) Central Pollution Control Board

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108. Plastic thermal degradation without oxygen:

a) Incineration
b) Pyrolysis
c) Anaerobic digestion
d) Nitrification
Answer: b) Pyrolysis

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109. Toxic element in LCDs:

a) Arsenic
b) Cadmium
c) Mercury
d) Lead
Answer: c) Mercury

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110. Aerobic bacteria – correct statement:

(i) Thrive in absence of oxygen
(ii) Consume organic matter
a) Only (i)
b) Only (ii)
c) Both
d) Neither
Answer: b) Only (ii)

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111. Tag denoting geographical origin:

a) ISI
b) T™
c) GI
d) PR
Answer: c) GI

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112. NOT an agro-based industry:

a) Sugar
b) Cement
c) Cotton textiles
d) Oil industry
Answer: b) Cement

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113. High carbohydrate food:

a) Eggs & dairy
b) Rice & cereals
c) Meat & fish
d) Fruits & vegetables
Answer: b) Rice & cereals

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114. Milk is a poor source of:

a) Protein
b) Calcium
c) Vitamin C
d) Vitamin B12
Answer: c) Vitamin C

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115. MSP stands for:

a) Maximum Supply Price
b) Maximum Support Price
c) Minimum Support Price
d) Minimum Supply Price
Answer: c) Minimum Support Price

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116. Commercial farming with high rainfall & temp:

a) Shifting agriculture
b) Plantation agriculture
c) Horticulture
d) Extensive agriculture
Answer: b) Plantation agriculture

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117. Consequences of global warming in India:

a) Glacial melt → floods → water stress
b) Higher ozone & pollution
c) Extreme weather impacts
d) All of the above
Answer: d) All of the above

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118. Carbon intensity refers to:

a) CO₂ per megajoule
b) Emission rate per activity
c) Ratio of GHG emissions to GDP
d) All developmental pollution
Answer: c) Ratio of GHG emissions to GDP

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119. System for spatial data analysis:

a) Digital cartography
b) Simulation models
c) GIS
d) Google Earth
Answer: c) GIS

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120. Most variable climate system component:

a) Cryosphere
b) Biosphere
c) Atmosphere
d) Hydrosphere
Answer: b) Biosphere

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121. Organisms too small to be seen:

a) Animals
b) Microorganisms
c) Mammals
d) Birds
Answer: b) Microorganisms

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122. Process by which plants convert sunlight to energy:

a) Photosynthesis
b) Respiration
c) Digestion
d) Fermentation
Answer: a) Photosynthesis

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123. NOT a cause of air pollution:

a) Industrial emissions
b) Forest fires
c) Automobile exhaust
d) Wind blowing leaves
Answer: d) Wind blowing leaves

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124. Gas mainly causing global warming:

a) Oxygen
b) Carbon dioxide
c) Nitrogen
d) Methane
Answer: b) Carbon dioxide

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125. Non-renewable resource:

a) Solar
b) Wind
c) Coal
d) Hydropower
Answer: c) Coal

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126. Breakdown of organic matter without oxygen:

a) Aerobic decomposition
b) Anaerobic decomposition
c) Combustion
d) Photosynthesis
Answer: b) Anaerobic decomposition

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127. Photosynthesis occurs in:

a) Roots
b) Stem
c) Leaves
d) Flowers
Answer: c) Leaves

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128. Water percentage in human body:

a) 50%
b) 60%
c) 70%
d) 80%
Answer: c) 70%

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129. Animals eating both plants & animals:

a) Herbivores
b) Carnivores
c) Omnivores
d) Detritivores
Answer: c) Omnivores

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130. Variety of life in ecosystem means:

a) Biodiversity
b) Ecology
c) Genetic diversity
d) Species diversity
Answer: a) Biodiversity

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131. Sustainable development means:

a) Meet present needs without harming future
b) Use all resources
c) Ignore environment
d) Develop cities only
Answer: a)

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132. Energy from Earth’s heat:

a) Solar
b) Geothermal
c) Nuclear
d) Wind
Answer: b) Geothermal

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133. Main cause of ozone depletion:

a) CO₂
b) CFCs
c) Methane
d) Water vapor
Answer: b) CFCs

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134. NOT an effect of deforestation:

a) Loss of biodiversity
b) Soil erosion
c) Increased rainfall
d) Climate change
Answer: c) Increased rainfall

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135. King of the Jungle:

a) Tiger
b) Lion
c) Elephant
d) Leopard
Answer: b) Lion

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136. Composting is:

a) Burning waste
b) Decomposition of organic material
c) Burying waste
d) Dumping waste
Answer: b)

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137. Most important for soil fertility:

a) Sand
b) Clay
c) Organic matter
d) Gravel
Answer: c) Organic matter

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138. Largest producer of solar energy:

a) China
b) India
c) USA
d) Germany
Answer: a) China

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139. Gas responsible for acid rain:

a) SO₂
b) Oxygen
c) Nitrogen
d) CO₂
Answer: a) Sulfur dioxide

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140. Watershed means:

a) Land draining to one water body
b) Large reservoir
c) River delta
d) Aquifer
Answer: a)

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141. Liquid → vapor:

a) Condensation
b) Evaporation
c) Precipitation
d) Transpiration
Answer: b) Evaporation

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142. Kyoto Protocol is about:

a) Climate change
b) Wildlife
c) Marine pollution
d) Deforestation
Answer: a)

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143. Renewable source:

a) Coal
b) Petroleum
c) Biomass
d) Nuclear
Answer: c) Biomass

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144. Plants releasing water vapor:

a) Transpiration
b) Perspiration
c) Respiration
d) Photosynthesis
Answer: a) Transpiration

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145. Most abundant element in Earth’s crust:

a) Oxygen
b) Silicon
c) Aluminum
d) Iron
Answer: a) Oxygen

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146. Greenhouse effect means:

a) Trapping of heat by gases
b) Growing plants in greenhouse
c) Cooling
d) Ozone depletion
Answer: a)

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147. Most abundant gas in atmosphere:

a) Oxygen
b) Nitrogen
c) CO₂
d) Argon
Answer: b) Nitrogen

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148. Main cause of coral reef destruction:

a) Overfishing
b) Pollution & global warming
c) Tsunamis
d) Sedimentation
Answer: b)

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149. Farming after clearing & burning:

a) Terrace farming
b) Shifting cultivation
c) Crop rotation
d) Organic farming
Answer: b)

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150. Mode of transmission of malaria:

a) Airborne
b) Waterborne
c) Vector-borne (mosquitoes)
d) Direct contact
Answer: c) Vector-borne