EVS Questions from Natural Resources

  • All forms of water that comes down on Earth, including rain, snow, hail etc. is known as _____________
  1. Calcification, b) Fixation, c) Precipitation, d) Accumulation
  • The ocean covers ________ percentage of Earth’s surface.
  1. 51%, b) 61%, c) 71%, d) 91%
  • Green revolution is associated with _________
  1. sericulture, b) agriculture, c) fish culture, d) silviculture
  • The components of LPG are _____________

Methane & Hexane, b) Propane & Butane, c) Ethane & Methane, d) Propane & Ethane

  • Major consumer of wood from forest is ___________
  1. Thermal Power Plant, b) Paper Industry, c) Chemistry Industry, d) none
  • The portion of the earth and its environment which can support life is known as _________
  1. Crust, b) Biosphere, c) Exosphere, d) atmosphere
  • What is troposphere?
  1. Portion of air b) Portion of water c) Lowest layer of atmosphere where we survive d) Portion of sky
  • The main energy source for the environment is ________
  1. Solar energy, b) Chemical energy, c) Bioelectric energy, d) Electrical energy
  • Which gas is likely to be reduced in the atmosphere by deforestation?
  1. Carbon dioxide, b) Nitrogen, c) Oxygen, d) Sulphur dioxide
  • What are rodenticides?
  1. that kill fishes, b) that kill insects c) that kill rats d) that kill crocos
  • Which of the following is the most responsible for world water crisis?
  1. Dams, b) Floods, c) Drought, d) Population growth
  • The resources that can be replaced by natural ecological cycle is called
  1. Renewable, b) non-renewable, c) exhaustible. d) natural
  • The amount of solar radiation reaching the surface of the earth is called
  1. Solar flux, b) reflected light, c) minerals, d) solvents
  • The most harmful of ultraviolet radiations are
  1. UV-C, b) UV-B, c) UV-A, d) All the above.
  • Grassland of USA is referred to as
  1. Prairies, b) Steppes, c) Pampas, d) Veldts
  • Extensive planting of trees to increase forest cover is called Afforestation, b) Agroforestry, c) Deforestation, d) Social forestry
  • Soil erosion can be prevented by
  1. Deforestation, b) Afforestation, c) Overgrazing, d) Removal of vegetation
  • A renewable source of energy is
  1. Petroleum, b) Coal, c) Nuclear fuel, d) Trees
  • ‘Smog’ is a mixture of
  1. Smoke and Fog, (b) Snow and Fog, ( c) Snow and Dust, (d) Sulphur Dioxide and Fog
  • Moisture in the air is known as
  1. Water (b) Fog ( c) Snow (d) Humidity
  • The capacity to do work is termed as
  1. Power (b) Force (c) Strength (d) Energy
  • Ozone layer is present in
  1. Troposphere (b) Stratosphere (c) Mesosphere (d) Ionosphere
  • Ozone Umbrella is located in which layer of atmosphere
  1. Troposphere (b) Stratosphere (c) Mesosphere (d) Ionosphere
  • The unit of total water content of the soil is known as
  1. Holard (b) Chraserd (c) Echard (d) All of the above
  • Pedology?
  1. Study of water, b) Study of air, c) Study of soil, d) none
  • What is deforestation?
  1. Product of forest, b) destruction of forest, c) Forest Protection, d) None
  • Deforestation generally decreases
  1. Global Warming, b) drought, c) Soil erosion, d) Rainfall
  • Which among the following result in the formation ofsoil? Radiation, b) Weathering, c) Erosion, d) Pollution
  • Mulching helps in
  1. soil fertility, b) moisture conservation, c) improvements soil structure, d) soil sterility
  • Atmospheric humidity is measured by

a)    Auxanometer      b) Photometer      c) Hygrometer  d) none

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