WorksheetsEdexcel Pathogens & Defence
Total questions: 9
Worksheet time: 5mins
A communicable disease:
can be spread from person to person.
can not be spread from person to person.
Is caused by genetic factors.
effects the mouth and throat.
What type of pathogen causes Chalara dieback (in ash trees)?
virus
bacteria
fungi
protist
How is cholera usually spread from person to person?
Kissing
Coughs and sneezes
Shaking hands
Contaminated water
What is the role of nasal mucus?
collect dead cells
lubricate the nasal passage
make phlegm
trap particles
I am a physical barrier that stops pathogens entering the body
White blood cells
Mucus
Hydrochloric acid
Lysozyme enzymes
What am I? I am found in the lungs. I sweep mucus back up towards the throat so it can be coughed out or swallowed.
Mucus
Lysozyme enzymes
Hydrochloric acid
Cilia
What am I? I am a chemical defence found in tears. I am also secreted by glands onto the surface of our skin.
Mucus
Lysozyme enzymes
Hydrochloric acid
Cilia
