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National 5 Unit 1 Mid-Unit Revision

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  • What term is used to describe the permeability of the cell membrane?
    Fully
    Partially
    Selectively
    Specially
  • When a nucleus divides this is called.......
    Chromosomes
    Meiosis
    Centromere
    Mitosis
  • Which of the following is NOT a base found on DNA?
    Adenine
    Guanine
    Cytosine
    Uracil
  • Which of the following are NOT found in an animal cell?
    Ribosomes
    Cell Membrane
    Mitochondria
    Cell Wall
  • Which of the following is an example of good aseptic technique?
    Labelling the agar plates
    Using agar as a growth media
    Counting the colonies grown
    Wiping desks down before & after
  • What happens next?
    The spindle fibres pull the chromatids apart
    The chromosomes copy themselves
    The chromosomes line up along the equator
    The cell splits in two
  • Each species has its own chromsomes number known as the _____ number
    Haploid
    Diploid
    Triplod
    Monoploid
  • Which of the following substances will diffuse into a respiring animal cell?
    Oxygen
    Carbon dioxide
    water
    Proteins
  • What are the three groups of micro-organisms called?
    Bacteria, germs, Fungi
    Bacteria, virus, fungi
    Bacteria, virus, germs
    Virus, germs, fungi
  • Which organelle is the site of protein synthesis?
    Nucleus
    Cytoplasm
    Ribosome
    Mitochondria
  • What is the role of chloroplasts?
    Site of respiration
    Controls cell division
    Photosynthesis
    Provide cell structure
  • Which of the following processes require energy?
    Diffusion
    Plasmolysis
    Active transport
    Osmosis
  • How many PAIRS of chromosomes do human body cells have?
    23
    32
    46
    64
  • DNA is described as being a double-helix shape.
    False
    True
  • What type of cell is this?
    Fungi
    Animal
    Bacterial
    Plant
  • The sections (bands) of a chromosome DNA that code for proteins are called what?
    Genes
    mRNA
    Centromere
    DNA
  • Which structure is made of a phospholipid bi-layer
    Nucleus
    Cell wall
    Cell Membrane
    Ribosome
  • Which process is being shown here?
    Active transport
    Diffusion
    Hydrolysis
    Osmosis
  • If water moves into a plant cell, what word is used to describe it?
    Burst
    Turgid
    Plasmolysed
    Shrunk
  • How many bases are required to code for 20 amino acids?
    10
    60
    4
    3
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