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paper 1
B3
the spread of disease
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Created by
Jade cookson
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Cards (36)
What is a communicable disease?
A disease
transmitted
from one organism to another
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What is a pathogen?
A
microorganism
that causes
disease
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Name four types of pathogen.
Bacteria
Fungi
Protists
Viruses
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How can pathogens spread?
Air
,
water
, and
direct contact
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How do bacteria make you ill?
They produce
toxins
that
damage
tissues
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How do viruses make you ill?
They reproduce
rapidly
inside
cells, damaging them
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Name four methods of controlling the spread of communicable diseases.
Good hygiene
Isolating
infected
individuals
Controlling
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How can the cause of a plant disease be identified?
The
provided
text
does
not
have this
answer
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What are three mechanical defenses that protect plants?
The
provided text
does
not
have
this answer
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Give
three
physical
defenses
of plants.
The provided text does not have this answer
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How can aphids be controlled by gardeners?
The
provided
text
does
not
have this
answer
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How can plant diseases be detected?
The
provided
text
does
not
have this
answer
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What is a final method of controlling the spread of communicable diseases according to the text?
The
provided
text
does
not
have
this
answer
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How do pathogens such as bacteria, viruses, and protists spread?
Air, water, and
direct contact
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How do bacteria cause damage to tissues?
They produce
toxins
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How do viruses cause damage or destruction to cells?
Reproducing
rapidly
inside them
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Name three viral diseases.
Measles
,
HIV
,
tobacco mosaic virus
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Name two bacterial diseases.
Salmonella
,
gonorrhoea
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What are some methods to prevent the spread of pathogens?
Good
hygiene
Isolating
infected
individuals
Controlling
vectors
Vaccination
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What is the estimated number of deaths caused by malaria each year?
600,000
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How does malaria spread from person to person?
Mosquito
bites
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What is a symptom caused by malaria?
Recurrent
fevers
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How does rose black spot spread?
Water
and
wind
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How does rose black spot affect plant growth?
Reducing ability to
photosynthesise
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Where can information about plant diseases and pests typically be found?
Gardening
manuals and websites
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What type of kits are used to rapidly identify plant pathogens?
Monoclonal antibody kits
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Name 2 physical plant defenses?
Thorns
and
hairs
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Name 2 more physical plant defenses?
Leaves
that droop or curl
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What is mimicry in the context of plant defenses?
Tricking
animals
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Name 3 chemical plant defences?
Cellulose
cell walls, waxy
cuticles
,
bark
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What is a
biological
control
method
for
aphids
?
Introducing ladybirds
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Name 3 common signs of plant disease?
Areas of
decay
,
discolouration
, growths
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Name 3 more signs of plant disease?
Malformed
stems
or leaves, presence of
pests
, spots on leaves
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What is a final sign of plant disease?
Stunted growth
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Why might exam question answers be different lengths?
Questions have different
command words
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What type of pathogen causes malaria?
Protist
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