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NCSCOS Grade 8 Life Science - 8.L.5 Diagnostic Molecular Biology

Quiz by NCDPI

Grade 8
Science
North Carolina Standard Course of Study

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10 questions
Show answers
  • Q1
    The organism in the photograph is a protist, which is composed of only one cell. This means that a protist
    Question Image
    gets energy directly from sunlight.
    cannot reproduce.
    cannot survive in water.
    is a living organism.
    30s
    8.L.5.1
  • Q2
    All living things need energy; it is a requirement for life. In a typical cell, ATP, the high energy molecule, is produced in the __________ in the presence of a sugar (glucose) and ______________.
    Question Image
    vacuole; water vapor.
    ER; carbon dioxide.
    mitochondria; oxygen.
    nucleus; oxygen
    30s
    8.L.5.1
  • Q3
    This simple bacteria cell has the same structure as more complex cells. It controls what comes in to and leaves the cell and also maintains homeostasis. It is the
    Question Image
    membrane.
    capsule.
    wall.
    cytoplasm.
    30s
    8.L.5.1
  • Q4
    Plants use the energy from the sun to convert
    carbon dioxide into water.
    water into sugar.
    oxygen into carbon dioxide.
    carbon dioxide into sugar.
    30s
    8.L.5.1
  • Q5
    This is where the genetic information is found in a eukaryotic cell?
    endoplasmic reticulum
    nucleus
    cytosol
    mitochondrion
    30s
    8.L.5.1
  • Q6
    Why are calcium, magnesium, phosphorus, and fluorine important to human health?
    proteins that support bones
    minerals that support bones
    vitamins that support bones
    lipids that support bones
    30s
    8.L.5.2
  • Q7
    Scientists believe there is a link between cigarette smoking and cancer. Evidence for this inference includes which statement?
    Rates of lung disease are significantly increased among smokers.
    According to a recent study, 7 out of 10 smokers who try to quit smoking begin smoking again within one month.
    One brand of cigarettes sold more than 44 million packs last year
    Chemicals found in tobacco may be both physically and physiologically addictive.
    30s
    8.L.5.2
  • Q8
    Why is protein an important part of a healthy diet?
    It is needed to store nutrients.
    It is needed to repair tissue.
    It is needed to change glucose to energy.
    It is needed to produce water.
    30s
    8.L.5.2
  • Q9
    Which food provides the MOST energy for the body in the shortest amount of time?
    potato
    meat
    milk
    fruit
    30s
    8.L.5.2
  • Q10
    Why is a healthy diet important?
    It supplies the body's needs for growth and energy.
    It makes oxygen for all the cells in the body.
    It prevents damage to internal organs.
    It maintains a constant body temperature.
    30s
    8.L.5.2

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