Race To Save The Planett

45 Questions | Total Attempts: 58

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Dantes Test Practice Exam


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  • 1. 
    Which of the following eats only meat?
    • A. 

      Omnivore

    • B. 

      Carnivore

    • C. 

      Herbivore

    • D. 

      None of the above

  • 2. 
    ________ is a group of specific species of plants, animals and microbes that interactwith each other.
    • A. 

      Taiga

    • B. 

      Ecosystem

    • C. 

      Forest

    • D. 

      None of the above

  • 3. 
    Which of the following is not a main category of organisms?
    • A. 

      Producers

    • B. 

      Consumers

    • C. 

      Food web

    • D. 

      Decomposers

  • 4. 
    Which of the following is an inorganic substance?
    • A. 

      Plants

    • B. 

      Raccoon

    • C. 

      Rocks

    • D. 

      Worms

  • 5. 
    A dark brown spongy residue from organic materials
    • A. 

      Loam

    • B. 

      Humus

    • C. 

      Lipids

    • D. 

      Sludge cake

  • 6. 
    Water covers what percentage of the earth?
    • A. 

      25%

    • B. 

      50%

    • C. 

      75%

    • D. 

      85%

  • 7. 
    Which of the following is not an organic compound?
    • A. 

      Water

    • B. 

      Insects

    • C. 

      Bears

    • D. 

      Humans

  • 8. 
    ________ is what all living things are composed of.
    • A. 

      Water

    • B. 

      Nitrate

    • C. 

      Carbon

    • D. 

      Methane

  • 9. 
    Energy from all food begins where?
    • A. 

      At the producer

    • B. 

      At the sun

    • C. 

      At the soil

    • D. 

      In the animal consuming it

  • 10. 
    These types of organisms get their energy from consuming other organisms
    • A. 

      Producer

    • B. 

      Primary producer

    • C. 

      Consumer

    • D. 

      Omnivore

  • 11. 
    _________ is calculated by the number of live births per 1000 population.
    • A. 

      Birth rate

    • B. 

      Death rate

    • C. 

      Infant mortality rate

    • D. 

      Fetal death rate

  • 12. 
    Death rate is calculated by the number of deaths in a year per _______ population.
    • A. 

      100

    • B. 

      1000

    • C. 

      10000

    • D. 

      100000

  • 13. 
    Which of the following are not principles of ecosystem sustainability?
    • A. 

      Disposes of wastes and replenishes nutrients

    • B. 

      Use sunlight as their only source of energy

    • C. 

      Consumer populations are unrestricted

    • D. 

      Biodiversity is maintained

  • 14. 
    Barren rocks would be the location of
    • A. 

      Primary succession

    • B. 

      Secondary succession

    • C. 

      Tertiary succession

    • D. 

      None of the above

  • 15. 
    Which of the following eats both meat and plants?
    • A. 

      Omnivore

    • B. 

      Carnivore

    • C. 

      Herbivore

    • D. 

      None of the above

  • 16. 
    When water is nutrient rich it is called
    • A. 

      Oligotrophic

    • B. 

      Turbid

    • C. 

      Murky

    • D. 

      Eutrophic

  • 17. 
    Which of the following carry sediment?
    • A. 

      Lakes

    • B. 

      Rivers

    • C. 

      Dams

    • D. 

      Reservoirs

  • 18. 
    An abandoned farm field would be the location of
    • A. 

      Primary succession

    • B. 

      Secondary succession

    • C. 

      Tertiary succession

    • D. 

      None of the above

  • 19. 
    What is it called when a lake bottom is gradually built up over years?
    • A. 

      Aquatic succession

    • B. 

      Saltwater intrusion

    • C. 

      Land subsidence

    • D. 

      Sinkhole

  • 20. 
    Which of the following was NOT a problem within the first human cities?
    • A. 

      Waste management

    • B. 

      Telecommunication

    • C. 

      Food scarcity

    • D. 

      Sanitation

  • 21. 
    The gradual increase of the earth’s temperature is due to?
    • A. 

      Green Revolution

    • B. 

      Greenhouse effect

    • C. 

      Acid ra

    • D. 

      Overpopulation

  • 22. 
    Which of the following is NOT naturally occurring greenhouse gas?
    • A. 

      Carbon dioxide

    • B. 

      Methane

    • C. 

      Nitrous oxide

    • D. 

      Hydrofluorocarbons

  • 23. 
    Deforestation is most likely to be done
    • A. 

      In third world countries

    • B. 

      In rural areas

    • C. 

      In city areas

    • D. 

      In developed countries

  • 24. 
    Which of the following is a renewable resource?
    • A. 

      Coal power

    • B. 

      Solar power

    • C. 

      Oil

    • D. 

      Electric power

  • 25. 
    The Green Revolution did what?
    • A. 

      Increased the amount of farm land

    • B. 

      Increased the yield on wheat crops

    • C. 

      A battle for the right to farm on your land

    • D. 

      Was a strategy to give the rights of the few to the many