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WorksheetsG9 infections and immunity - pathogens
Total questions: 15
Worksheet time: 9mins
What is the theory that was believed by people to cause diseases
flogiston theory
germ theory
miasma theory
plasma theory
Which scientist isolated the cholera causing bacteria?
Koch
Snow
Pasteur
Einstein
Which scientist isolated developed penicillin?
Koch
Snow
Pasteur
Einstein
Which scientist connected the deaths in Soho to a contaminated water pump?
Koch
Snow
Pasteur
Einstein
Which of the following is true about a virus?
it can live and thrive outside the host
it is usually much smaller than a bacteria
measles is a virus
COVID is a virus
very large viruses (e.g. elephant virus) do exist.
What is this (tick the correct answers)
a bacteria
a virus
H1N1 virus
Ebola virus
E-coli
What is this (you may answer more than one)
a bacteria
a virus
E boli
E coli
H1N1
If you have a COVID virus?
drink lots of water
take antibiotics
take paracetamol to keep a fever down
take ibuprofen to keep a fever down
If you (youngster) are carrying the virus, it is likely that you do not show any symptoms
5. What are the two main types of white blood cells?
phagocytes and lymphocytes
phagocytes and antibodies
antigens and leukocytes
leukocytes and phagocytes
Where are leukocytes made in the body?
heart
kidney
bone marrow
brain
pancreas
What are the molecular tracers that betray the presence of invaders and sit on the surface of pathogens in the body.
(a)
What is the key role of phagocytes?
to recognise antigens and produce antibodies
to make antigens on the surface of pathogens
to engulf and digest pathogens
to replicate pathogens
What is the role of lymphocytes?
to make antigens on the surface of pathogens
to recognise antigens and produce antibodies
to engulf and digest pathogens
to replicate pathogens
What are the name of the proteins which are made by B cells and helper T cells to latch onto the antigens and destroy the invading cells.
(a)
In 2020 the COVID virus mutated very slightly but can still be attacked by our bodies and vaccine. What is this called?
antigenic drift
antigenic shift
phagocytosis
homeostasis
