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National 5 Biology 2.1 Producing New Cells

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  • Name area P which is one half of the chromosome.
    Equator
    Nuclear membrane
    Spindle fibre
    Chromatid
  • What is the equator of the cell?
    Top of the cell
    Side of the cell
    Middle of the cell
    Bottom of the cell
  • Specialisation of cells leads to the formation of a ...………….
    difference of stem cells, tissues and organs
    difference of cells, tissues and organs
    variety of cells, tissues and organs
    variety of stem cells, tissues and organs
  • What is the correct order of the hierarchy that exists in a multicellular organism?
    cells     tissues      systems    organs
    cells     organs      tissues        systems
    cells     systems      tissues       organs
    cells     tissues      organs        systems
  • What have stem cells the potential to do?
    To become different types of cell only
    Divide to self-renew and to become different types of cell
    Divide to self-renew only
  • Why do cells have to be produced by Mitosis?
    Growth and Repair of damaged cells
    To produce different types of cell
    To form body systems from groups of organs
    To divide to self-renew
  • Name part N.
    Spindle fibre
    Chromosome
    Chromatid
    Cytoplasm
  • What is happening in the diagram?
    Chromosomes become visible of pairs of identical chromatids
    Nuclear membranes reform and cytoplasm divides
    Long uncoiled chromosomes in the nucleus replicate
    Chromosomes line up along the equator of the cell
  • Why is Mitosis important?
    To maintain the haploid chromosome complement
    To become different types of cell
    To maintain the diploid chromosome complement
    To divide in order to self-renew
  • What stage of Mitosis is shown in the diagram?
    Chromosomes move to opposite ends of cell
    Chromatids are separated
    Chromosomes become visible of pairs of identical chromatids
    Chromosomes line up along the equator of the cell
  • What is happening to the chromosomes in the diagram?
    Chromosomes separated
    Chromosomes move to the equator
    Chromosomes move to opposite ends of cell
    Chromosomes become visible of pairs of identical chromatids
  • From the diagram, what is the correct order of Mitosis?
    2 4 1 6 3 5
    4 2 1 6 5 3
    4 1 2 6 3 5
    2 1 4 6 3 5
  • What stage of Mitosis is shown in the diagram?
    Chromosomes become visible of pairs of identical chromatids
    2 identical daughter cells produced
    Chromosomes line up along the equator of the cell
    Nuclear membranes reform and cytoplasm divides
  • What stage of Mitosis is shown in the diagram?
    2 identical daughter cells produced
    Chromosomes become visible of pairs of identical chromatids
    Chromosomes line up along the equator of the cell
    Chromatids are separated
  • What type of cells are stem cells?
    Unspecialised
    Specialised
  • What name is given to area M?
    Equator
    Spindle fibres
    Cytoplasm
    Chromatid
  • Which process(es) are stem cells involved in?
    Growth and repair
    Repair only
    Growth only
  • What stage of Mitosis is shown in the diagram?
    Chromosomes move to opposite ends of cell
    Nuclear membranes reform and cytoplasm divides
    Chromosomes become visible of pairs of identical chromatids
    Chromatids are separated
  • What is the definition of a body system?
    Groups of cells which work together
    Groups of organs which work together
    Groups of stem cells which work together
    Groups of tissues which work together
  • What stage of Mitosis is shown in the diagram?
    Chromosomes move to opposite ends of cell
    Chromosomes line up along the equator of the cell
    Chromosomes become visible of pairs of identical chromatids
    Long uncoiled chromosomes in the nucleus replicate
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