Quiz  /  Environmental studies Gate & PSU MCQ Questions With Answers

  • 1. 
    Endemic species are mostly

  • Confined to a particular locality
  • Whose number is largest
  • Which are available on Western Ghats
  • Which flower annually

  • 2. 
    This is a coastal body of water where fresh water from a river mixes with salt water from the ocean.

  • Estuary
  • Desert
  • Freshwater lake

  • 3. 
    What is the average Salinity in the Ocean?

  • 35/100 (parts per)
  • 35/1000 parts per)
  • 10/35 parts per)
  • none of the above

  • 4. 
    This is all the plant life present in a particular region or time, generally the naturally occurring native plants.

  • Flora
  • Fauna

  • 5. 
    The first Earth summit of United nation was held in

  • Stockholm
  • Tokyo
  • New York
  • Montreal

  • 6. 
    An area of coastal grassland that is regularly flooded by seawater.

  • Freshwater marsh
  • Salt marsh
  • Estuary

  • 7. 
    What is erosion?

  • What you use to correct mistake made by pencils.
  • The directional flow of water.
  • Sand that is dropped off.
  • Waves remove sand from the shore.

  • 8. 
    A scientist that studies the interrelationships between organisms and their environments is called...

  • Geologist
  • Ecologist
  • Paleontologist

  • 9. 
    The scientific study of the interaction between organisms and their environment is called...

  • Ecology
  • Biology
  • Astronomy

  • 10. 
    What branch of Earth Science does this picture represent?

  • Oceanography
  • Meteorology
  • Geology
  • Astronomy

  • 11. 
    Pollutants released by automobile cause

  • Carbon monoxide
  • Peroxy acetyl nitrate
  • Carbon dioxide
  • Aerosols

  • 12. 
    Why is the ocean salty?

  • There is no pepper
  • chemical and gases from volcanoes
  • Fish go potty in the ocean
  • giant rocks of salt were dissolved years ago

  • 13. 
    This is a pebbly or sandy shore, especially by the ocean between high- and low-water marks.

  • Beach
  • Salt marsh
  • Swamp

  • 14. 
    These are all of the nonliving parts of an ecosystem.

  • Abiotic factors
  • Biotic factors
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