the spread of disease

Cards (36)

  • What is a communicable disease?
    A disease transmitted from one organism to another
  • What is a pathogen?
    A microorganism that causes disease
  • Name four types of pathogen.
    • Bacteria
    • Fungi
    • Protists
    • Viruses
  • How can pathogens spread?
    Air, water, and direct contact
  • How do bacteria make you ill?
    They produce toxins that damage tissues
  • How do viruses make you ill?
    They reproduce rapidly inside cells, damaging them
  • Name four methods of controlling the spread of communicable diseases.
    • Good hygiene
    • Isolating infected individuals
    • Controlling
  • How can the cause of a plant disease be identified?
    The provided text does not have this answer
  • What are three mechanical defenses that protect plants?
    The provided text does not have this answer
  • Give three physical defenses of plants.

    The provided text does not have this answer
  • How can aphids be controlled by gardeners?
    The provided text does not have this answer
  • How can plant diseases be detected?
    The provided text does not have this answer
  • What is a final method of controlling the spread of communicable diseases according to the text?
    The provided text does not have this answer
  • How do pathogens such as bacteria, viruses, and protists spread?
    Air, water, and direct contact
  • How do bacteria cause damage to tissues?
    They produce toxins
  • How do viruses cause damage or destruction to cells?
    Reproducing rapidly inside them
  • Name three viral diseases.
    Measles, HIV, tobacco mosaic virus
  • Name two bacterial diseases.
    Salmonella, gonorrhoea
  • What are some methods to prevent the spread of pathogens?
    • Good hygiene
    • Isolating infected individuals
    • Controlling vectors
    • Vaccination
  • What is the estimated number of deaths caused by malaria each year?
    600,000
  • How does malaria spread from person to person?
    Mosquito bites
  • What is a symptom caused by malaria?
    Recurrent fevers
  • How does rose black spot spread?
    Water and wind
  • How does rose black spot affect plant growth?
    Reducing ability to photosynthesise
  • Where can information about plant diseases and pests typically be found?
    Gardening manuals and websites
  • What type of kits are used to rapidly identify plant pathogens?
    Monoclonal antibody kits
  • Name 2 physical plant defenses?
    Thorns and hairs
  • Name 2 more physical plant defenses?
    Leaves that droop or curl
  • What is mimicry in the context of plant defenses?
    Tricking animals
  • Name 3 chemical plant defences?
    Cellulose cell walls, waxy cuticles, bark
  • What is a biological control method for aphids?

    Introducing ladybirds
  • Name 3 common signs of plant disease?
    Areas of decay, discolouration, growths
  • Name 3 more signs of plant disease?
    Malformed stems or leaves, presence of pests, spots on leaves
  • What is a final sign of plant disease?
    Stunted growth
  • Why might exam question answers be different lengths?
    Questions have different command words
  • What type of pathogen causes malaria?
    Protist