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HDHS Trilogy B2 Checkpoint quiz: Cell division

Quiz by Alexandra Gill

Combined Science: Trilogy
English National Curriculum

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Measures 3 skills from
Combined Science: Trilogy
English National Curriculum

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14 questions
Show answers
  • Q1
    What is a stem cell?
    a meristem
    an unspecialised cell
    a differentiated cell
    a zygote
  • Q2
    Which is not a source of embryonic stem cells?
    bone marrow
    umbilical cord blood
    aborted embryos
    amniotic fluid
  • Q3
    What occurs during stage 2 of the cell cycle?
    the nucleus divides
    the cell divides
    the DNA replicates
    the number of sub-cellular structures increases
  • Q4
    What is meant when you say that a cell has differentiated?
    cells have become enlarged
    cells have undergone cell division by mitosis
    cells have specialised to complete a particular function
    cells are unspecialised and can change to have any function
  • Q5
    A cell has four chromosomes.During the cell cycle, how many chromosomes will the cell have at the end of stage 1?
  • Q6
    The drawing shows a plant root. What is the zone labelled X?
    Question Image
    zone of specialisation
    zone of cell division
    zone of differentiation
    zone of elongation
  • Q7
    For which medical condition would stem cell treatment be ineffective?
    spinal cord injuries
    preventing HIV
    macular degeneration (eyesight deterioration)
    insulin production
  • Q8
    What is the biggest disadvantage of using adult stem cells?
    they grow and divide very rapidly with the risk of causing cancer
    it involves therapeutic cloning, which is very difficult
    it may trigger an immune response
    some people may disagree for ethical reasons
  • Q9
    At which stage of life does mitosis occur at a slower rate than cell death?
    developing embryo
    old age
  • Q10
    Where would you find the greatest concentration of undifferentiated cells in a plant?
    in the xylem
    in the palisade layer in a leaf
    in the phloem
    in the root tips
  • Q11
    In which part of the body would the rate of mitosis be happening the fastest?
    the spinal cord
    the skin
    the eye
    the brain
  • Q12
    The table shows some characteristics of differentiation of cells in animals and in plants.Which row shows characteristics of differentiation of cells in both animals and plants?
    Question Image
  • Q13
    What would be an advantage of using genetically identical clones of plants created from stem cells in research?
    it removes some unwanted variables
    the results would be exactly the same each time
    it removes human error from the experiment
    the experiment would not need repeating
  • Q14
    Which is a disadvantage of therapeutic cloning?
    cells would have different genes to the recipient
    there is the risk of transfer of genetic diseases
    there are concerns about the risk of cancer from rapid cell division
    the use of immunosuppressant drugs is required

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