OxfordAQA International GCSE Biology
OxfordAQA International GCSE Biology Disease and Defence Exam Questions
Free OxfordAQA International GCSE Biology exam questions on Disease and Defence, with mark schemes. Covers communicable diseases, pathogens, the immune system, vaccines and antibiotics.
Disease and Defence exam questions
These packs of real past exam questions cover the whole of 3.4 Organisms' Interaction with the Environment, including Disease and Defence. Work through every question on this sub-topic, then mark your answers against the mark scheme.
StemUp mark scheme flashcards
GCSE and IGCSE Biology Flashcards
Every answer is written in mark scheme wording, so you learn exactly what examiners give marks for. Pick your exam board, then test yourself with the questions on this page.
View flashcards
About OxfordAQA International GCSE Biology Disease and Defence
This sub-topic covers disease.
What you need to know
- Pathogens Bacteria, viruses, fungi and protists.
- Defences Skin, mucus and white blood cells.
- Treatment Vaccines, antibiotics and drug testing.
Common mistakes in Disease and Defence
- Saying antibiotics kill viruses.
- Mixing antigen and antibody.
Try two Disease and Defence exam-style questions
1. Explain how vaccination works. (2 marks)
Show the mark scheme answer
Dead or inactive pathogen is introduced (1), so white blood cells make antibodies and memory cells (1).
2. Name one viral disease. (1 mark)
Show the mark scheme answer
Measles or HIV.
Disease and Defence FAQs
What does this cover?
Pathogens, immunity and treatments.
What is a clinical trial?
Testing a new drug for safety and effectiveness.
Revise this topic with flashcards: GCSE and IGCSE Biology Flashcards, with mark scheme answers for Anki and Quizlet.
