Diseases and Immunity
Each subtopic includes About section, revision page link, 10 preview questions, and practice CTAs.
Pathogens and transmission
SubtopicPathogens and transmission under Diseases and Immunity for Grade 11 IGCSE.
Preview questions (no answers)
- 1.
What is the name for the protein molecule on a pathogen's surface that triggers an immune response?
A.Antibody
B.Antigen
C.Antibiotic
D.Antiseptic
- 2.
Which of the following is a symptom of many food-borne infections like cholera?
A.Stronger bones
B.Improved vision
C.Severe diarrhea
D.High levels of red blood cells
- 3.
What is the importance of having a clean water supply for a community?
A.It makes the water look clearer for swimming
B.It prevents the transmission of water-borne pathogens
C.It ensures that people can wash their cars more easily
D.It prevents people from getting genetic diseases
Download the worksheet for Diseases and Immunity - Pathogens and transmission to practice offline. It includes additional chapter-level practice questions.
Body defences
SubtopicBody defences under Diseases and Immunity for Grade 11 IGCSE.
Preview questions (no answers)
- 1.
Which of the following is true about antigens?
A.They are always beneficial to the body
B.They are found on the surface of cells and viruses
C.They are produced by the brain to fight infection
D.They are a type of white blood cell
- 2.
Which of the following cells are primarily involved in the 'secondary' immune response?
A.Red blood cells
B.Memory cells
C.Platelets
D.Stem cells
- 3.
When a phagocyte digests a pathogen, what does it use to break the pathogen down?
A.Sunlight
B.Enzymes
C.Hormones
D.Carbon dioxide
Download the worksheet for Diseases and Immunity - Body defences to practice offline. It includes additional chapter-level practice questions.
Antibodies and vaccination
SubtopicAntibodies and vaccination under Diseases and Immunity for Grade 11 IGCSE.
Preview questions (no answers)
- 1.
Which of these is the first line of defense before the antibody response starts?
A.Memory cells
B.The skin and mucous membranes
C.Plasma cells
D.Specific antibodies
- 2.
Which of the following would result in the shortest duration of immunity?
A.Catching the flu
B.Getting a chickenpox vaccine
C.Receiving an injection of ready-made antibodies
D.Recovering from a bacterial infection
- 3.
When a person receives a 'booster' shot, what is the intended effect?
A.To remove the old antibodies
B.To increase the number of memory cells and antibody levels
C.To introduce a new type of disease
D.To decrease the immune response
Download the worksheet for Diseases and Immunity - Antibodies and vaccination to practice offline. It includes additional chapter-level practice questions.