Unit 4: Lesson 16

35 Questions | Total Attempts: 33

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Lesson Quizzes & Trivia

Choose the best answer.


Questions and Answers
  • 1. 
    Which combination of materials and conditions are needed for seed germination? 
    • A. 

      Enough water to digest stored food and enable growth of embryo

    • B. 

      Pesticides and herbicides

    • C. 

      Oxygen for the seedling to carry out aerobic respiration

    • D. 

      Temperature of 15-20 degrees Celsius

    • E. 

      A, C and D are correct

  • 2. 
    The lack of ____________ produces the yellow leaves and causes slow plant growth.
    • A. 

      Oxygen

    • B. 

      Nitrogen

    • C. 

      Hydrogen

    • D. 

      None of the above

  • 3. 
    The lack of ______________ causes the leaves, fruit, and roots to be small.
    • A. 

      Protein

    • B. 

      Calcium

    • C. 

      Sun

    • D. 

      Water

  • 4. 
    In a bag of fertilizer used to increase flower or fruit production, what does the middle number represent?
    • A. 

      Percentage of Phosphorus

    • B. 

      Percentage of Nitrogen

    • C. 

      Percentage of Protein

    • D. 

      None of the above

  • 5. 
    The high concentration of _______________ causes the flower and fruit production to increase.
    • A. 

      Phosphates

    • B. 

      Nitrogen

    • C. 

      Oxygen

    • D. 

      None of the above

  • 6. 
    True of false: The nitrogen and potassium are still needed for healthy plant growth, but in lower percentages.
    • A. 

      True

    • B. 

      False

  • 7. 
    What best defines biological magnification?
    • A. 

      Biological magnification is when substances become more concentrated in organisms at higher trophic levels.

    • B. 

      Biological magnification is when substances become less concentrated in organisms at lower trophic levels.

    • C. 

      Biological magnification is when organisms become more concentrated in substances at higher trophic levels.

    • D. 

      None of the above

  • 8. 
    True or false: Ginseng helps improve stamina; provides resistance to stress and disease; sedates and stimulates the central nervous system
    • A. 

      True

    • B. 

      False

  • 9. 
    Which plants can be used for medical purposes?
    • A. 

      Cocoa plant and aloe vera

    • B. 

      Dandelion and white willow

    • C. 

      Cinnamon and ginger

    • D. 

      All of the above

  • 10. 
    True or False. The eagles are killed because they are at high tropic level and ingest a large amount of pesticides. 
    • A. 

      True

    • B. 

      False

  • 11. 
    True or False. Any wood plant, such as maple or oak can be used to make the following items: furniture, paper, plastics, rayon, dyes, fuel.
    • A. 

      True

    • B. 

      False

  • 12. 
    Two steps that can be taken to improve water quality and avoid soil nutrient depletion are:
    • A. 

      Crop rotation and using cover crops

    • B. 

      Reducing tillage and avoiding traffic on wet soil

    • C. 

      Planting pest-resistant crops and raising farm animals and plants on thesame farms

    • D. 

      All of the above can be taken to improve water quality and avoid soil nutrient depletion.

  • 13. 
    True or False: By alternating one crop for a more drought-tolerant crop that requires less water, less fertilizer and water are needed for the plant to grow
    • A. 

      True

    • B. 

      False

  • 14. 
    Which steps do not improve water quality and soil nutrient depletion:
    • A. 

      Plants that cover the soil do not allow the Sun to evaporate water from the soil.

    • B. 

      Alternating one crop for a more drought-tolerant crop.

    • C. 

      Avoiding accidental spill of damaging materials.

    • D. 

      None of the above

  • 15. 
    If ____________ is reduced, then there is less use of pesticides and nitrates. 
    • A. 

      Tillage

    • B. 

      Planting

    • C. 

      Sun Coverage

    • D. 

      B and C

  • 16. 
    True or False: By walking on wet soil, the soil is compacted and able to hold less water, which means the nutrients are washed from the soil more easily. 
    • A. 

      True

    • B. 

      False

  • 17. 
    True or False: Keeping native crops and animals in place minimizes pest problems. 
    • A. 

      True

    • B. 

      False

  • 18. 
    _________________ provide a way to purify waste water at a lower cost than water treatment plants. 
    • A. 

      Wetlands

    • B. 

      Farmlands

    • C. 

      Boreal Forests

    • D. 

      None of the above

  • 19. 
    True or False: Water treatment plants also provide a habitat to many living organisms.
    • A. 

      True

    • B. 

      False

  • 20. 
    What can be done to improve wetlands?
    • A. 

      Planting crops that will hold the soil in place.

    • B. 

      Use environmentally friendly products

    • C. 

      Use more pesticides and herbicides.

    • D. 

      B and C are correct

  • 21. 
    ________ are used to ward off pests that can harm the growth of crops.
    • A. 

      Pesticide

    • B. 

      Herbicide

    • C. 

      Biological Magnification

    • D. 

      A and B

  • 22. 
    ____________ are substances that kill or slow the growth of plants that humans consider weeds.
    • A. 

      Pesticides

    • B. 

      Herbicides

    • C. 

      Biological Magnification

    • D. 

      A and B

  • 23. 
    What do organic food advocates argue?
    • A. 

      The the use of chemicals is very harmful to our health

    • B. 

      That if more people bought organic food, the price would eventually drop to more affordable levels

    • C. 

      None of the above

    • D. 

      A and B

  • 24. 
    True of False. One way of improving both crop resistance and yield is to cross-breed crops with wild relatives. 
    • A. 

      True

    • B. 

      False

  • 25. 
    True or False. Canada is the largest exporter of forest products in the world.
    • A. 

      True

    • B. 

      False

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