CBSE  /  Class 11  /  Geography  /  Life on the Earth

  • 1. 
    The type of soil the desert biome has is

  • Porous with thin layers of humus
  • Rich in nutrients with little organic matter
  • Acidic, poor in nutrients
  • Fertile alluvial

  • 2. 
    When various plants and animal species have got adapted through evolution is called:

  • Ecological adaptation
  • Hydrological adaptation
  • Homological adaptation
  • None of the above

  • 3. 
    Mineral salts come directly from

  • Earth crust
  • Water cycle
  • Atmosphere
  • Forest biome

  • 4. 
    The boundaries of different biomes on land are determined mainly by

  • Climate
  • Temperature
  • Human activities
  • Humidity

  • 5. 
    Temperate Steppe is a subtype of which biome?

  • Forest
  • Desert
  • Grassland
  • Aquatic

  • 6. 
    Which includes all the living components of the earth.

  • Hydrosphere
  • Atmosphere
  • Biosphere
  • Lithosphere

  • 7. 
    A freshwater ecosystem is

  • Oceans
  • Estuaries
  • Coral reefs
  • Marshes

  • 8. 
    Which is a plant and animal community that covers a large geographical area?

  • Biosphere
  • Biome
  • Marshes
  • Prairies

  • 9. 
    Abiotic factors include

  • Producers
  • Consumers
  • Decomposers
  • Sunlight

  • 10. 
    Which of the following organism have a parasitic mode of nutrition?

  • Penicillium
  • Plasmodium
  • Paramecium
  • Parrot
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