Unit 4: Lesson 16

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

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  • 2. 

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

    • True

    • False

    Correct Answer
    A. True
  • 3. 

    Which plants can be used for medical purposes?

    • Cocoa plant and aloe vera

    • Dandelion and white willow

    • Cinnamon and ginger

    • All of the above

    Correct Answer
    A. All of the above
  • 4. 

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

    • True

    • False

    Correct Answer
    A. True
  • 5. 

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

    • Oxygen

    • Nitrogen

    • Hydrogen

    • None of the above

    Correct Answer
    A. Nitrogen
  • 6. 

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

    • True

    • False

    Correct Answer
    A. True
  • 7. 

    True of False. Sustainable Agriculture refers to the land -- sustaining the health of  farmland and the environment. It also refers to people in the farming industry -- sustaining the social and economic health of farmers, their families and their communities. 

    • True

    • False

    Correct Answer
    A. True
  • 8. 

    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

    • True

    • False

    Correct Answer
    A. True
  • 9. 

    __________ are wax- coating oils that a plant secretes to fill a wound. It is used as rosin, varnish, paper stiffener and soap.

    • Resin

    • Gum

    • Latex

    • Chicle

    Correct Answer
    A. Resin
  • 10. 

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

    • Phosphates

    • Nitrogen

    • Oxygen

    • None of the above

    Correct Answer
    A. Phosphates
  • 11. 

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

    • Pesticides

    • Herbicides

    • Biological Magnification

    • A and B

    Correct Answer
    A. Herbicides
  • 12. 

    __________ is a milky, clear juice found in rubber plants. It is used to make surgical gloves, paints and other things.

    • Gum

    • Latex

    • Chichle

    • A and B

    Correct Answer
    A. Latex
  • 13. 

    Which three are known as wetlands.

    • Marshes, Swamps and Peatlands

    • Marshes, Swamps, and forests

    • Hydroponics, Swamps and Forests

    • None of the above

    Correct Answer
    A. Marshes, Swamps and Peatlands
  • 14. 

    ____________ is the water that runs along the surface of the ground and into the local water system.

    • Runoff

    • Sewage

    • Groundwater

    • None of the above

    Correct Answer
    A. Runoff
  • 15. 

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

    • Crop rotation and using cover crops

    • Reducing tillage and avoiding traffic on wet soil

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

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

    Correct Answer
    A. All of the above can be taken to improve water quality and avoid soil nutrient depletion.
  • 16. 

    _______ are the wound or injury products produced by plants. It is used in stamps, envelopes, chewing gum, candy and paint.

    • Gums

    • Latex

    • DDT

    • Cuts

    Correct Answer
    A. Gums
  • 17. 

    Which combination of materials and conditions are needed for seed germination? 

    • Enough water to digest stored food and enable growth of embryo

    • Pesticides and herbicides

    • Oxygen for the seedling to carry out aerobic respiration

    • Temperature of 15-20 degrees Celsius

    • A, C and D are correct

    Correct Answer
    A. A, C and D are correct
  • 18. 

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

    • True

    • False

    Correct Answer
    A. True
  • 19. 

    _____________ is a natural process found in wetlands where micro-organisms break down the organic materials that remains in the water.

    • Filtration

    • Bioremediation

    • Sewage System

    • Run off

    Correct Answer
    A. Bioremediation
  • 20. 

    What do organic food advocates argue?

    • The the use of chemicals is very harmful to our health

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

    • None of the above

    • A and B

    Correct Answer
    A. A and B
  • 21. 

    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. 

    • True

    • False

    Correct Answer
    A. True
  • 22. 

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

    • True

    • False

    Correct Answer
    A. True
  • 23. 

    What kind of trees can be found in Boreal forests?

    • There are no tress in boreal forests.

    • Deciduous trees

    • Cone-bearing trees

    • B and C

    Correct Answer
    A. Cone-bearing trees
  • 24. 

    Why is it better to use plants as insecticides?

    • Because they can be broken down by other living things without harmful results.

    • It pollutes the streams and groundwater.

    • It is not better to use plants as insecticides.

    • None of the above

    Correct Answer
    A. Because they can be broken down by other living things without harmful results.
  • 25. 

    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.

    • True

    • False

    Correct Answer
    A. True
  • 26. 

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

    • Percentage of Phosphorus

    • Percentage of Nitrogen

    • Percentage of Protein

    • None of the above

    Correct Answer
    A. Percentage of Phosphorus
  • 27. 

    What best defines biological magnification?

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

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

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

    • None of the above

    Correct Answer
    A. Biological magnification is when substances become more concentrated in organisms at higher trophic levels.
  • 28. 

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

    • Wetlands

    • Farmlands

    • Boreal Forests

    • None of the above

    Correct Answer
    A. Wetlands
  • 29. 

    Which forest contains deciduous trees that shed their leaves in autumn?

    • Boreal Forests

    • Tundra Forests

    • Appalachian Forests

    • Temperate Forests

    Correct Answer
    A. Temperate Forests
  • 30. 

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

    • Pesticide

    • Herbicide

    • Biological Magnification

    • A and B

    Correct Answer
    A. Pesticide
  • 31. 

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

    • Protein

    • Calcium

    • Sun

    • Water

    Correct Answer
    A. Calcium
  • 32. 

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

    • Tillage

    • Planting

    • Sun Coverage

    • B and C

    Correct Answer
    A. Tillage
  • 33. 

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

    • True

    • False

    Correct Answer
    A. False
  • 34. 

    Which steps do not improve water quality and soil nutrient depletion:

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

    • Alternating one crop for a more drought-tolerant crop.

    • Avoiding accidental spill of damaging materials.

    • None of the above

    Correct Answer
    A. None of the above
  • 35. 

    What can be done to improve wetlands?

    • Planting crops that will hold the soil in place.

    • Use environmentally friendly products

    • Use more pesticides and herbicides.

    • B and C are correct

    Correct Answer
    A. B and C are correct

Quiz Review Timeline (Updated): Mar 17, 2022 +

Our quizzes are rigorously reviewed, monitored and continuously updated by our expert board to maintain accuracy, relevance, and timeliness.

  • Current Version
  • Mar 17, 2022
    Quiz Edited by
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  • Mar 02, 2010
    Quiz Created by
    Lorreu
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