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Quiz on natural science

Question Description

hi i have 30 quiz on natural science online

What is the type of agriculture most likely to be found in developing countries?

a.

b.

c.

d.

e.

  1. It is possible to use natural parasites to control pest species.

    One concern about the use of pesticides is that ____.
    a.
    b.
    c.
    d.
    e.
  2. The majority of cases of malaria (90%) occur ____.
    a.
    b.
    c.
    d.
    e.

    QUESTION 34

    1. Living organisms can be classified into ____________________, or feeding levels, based on their source of nutrients.

    1 points

    QUESTION 35

    1. Photosynthesis is performed by ____.
      a.
      b.
      c.
      d.
      e.

    1 points

    QUESTION 36

    1. The law of conservation of matter states that whenever matter undergoes a physical or chemical change, ____.
      a.
      b.
      c.
      d.
      e.

    1 points

    QUESTION 37

    1. Aerobic respiration is the process by which cells use oxygen to produce energy that they can use to fuel life processes.

      QUESTION 46

      1. The chemicals PCBs, arsenic, and lead are all examples of ____________________.

      1 points

      QUESTION 47

      1. A deadly, multidrug resistant form of ____ has been spreading and is difficult to treat. Because of the high risk of this illness, those affected must be quarantined and treated with care by healthcare workers.
        a.
        b.
        c.
        d.
        e.

        QUESTION 48

        1. A global-scale outbreak of an infectious disease such as tuberculosis or AIDS is called a(n) ______________________________.

        1 points

        QUESTION 49

        1. A(n) ____________________ effect is an immediate or rapid reaction to exposure to a harmful substance.

        1 points

        QUESTION 50

        1. Explain why empowerment of women tends to slow population growth.

        1 points

        QUESTION 51

        1. China’s one-child policy ____.
          a.
          b.
          c.
          d.
          e.

        1 points

        QUESTION 52

        1. The term demographic transition refers to ____.
          a.
          b.
          c.
          d.
          e.

        1 points

        QUESTION 53

        1. Human populations grow or decline in particular countries, cities, or other areas through the interplay of three factors: births, ____________________, and migration.

        1 points

        QUESTION 54

        1. Family planning is often ____.
          a.
          b.
          c.
          d.
          e.

          QUESTION 57

          1. Rainshadows occur on the windward side of mountain ranges.


          QUESTION 61

          1. Once nitrogen is formed into complex organic molecules, it may be recycled back to atmospheric nitrogen by:
            The sedimentary cycle
            Primary succession
            Secondary succession
            Denytrifying bacteria
            Retrogression

          1 points

          QUESTION 62

          1. What is the root cause of food insecurity?
            a.
            b.
            c.
            d.
            e.

          1 points

          QUESTION 63

          1. A disadvantage to the green revolution is that plant yields are generally similar to those with other methods of agriculture unless substantial amounts of commercial inorganic fertilizers are applied.

          1 points

          QUESTION 64

          1. Following a disturbance such as a forest fire, secondary ecological succession can occur.

          1 points

          QUESTION 65

          1. Monoculture is a method of growing food that is characteristic of ____.
            a.
            b.
            c.
            d.
            e.
            1 Describe the process of recycling nutrients (4 PTS)

            2 Discuss some of the factors that govern toxicity? (4 PTS)

            3 List four factors that are responsible for emerging infectious disease? (4 PTS)

            4

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