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AQA GCSE Biology TOPIC 3 - Infection And Response


Below is everything the examiners think you know, if you're not sure of something click on the link to watch my YouTube video explanation. For a copy of these you can print off, get the FREE revision guide I wrote for you.


 • I can describe the range of different ways diseases are caused. Viruses, bacteria, protist or fungi. 

 • I can describe how diseases are spread in plants and animals 

 • I can define the term pathogen 

 • I can describe how bacteria reproduce inside the body 

 • I can describe how viruses reproduce inside the body

 • I can explain how bacteria can make a person feel ill

 • I can explain how viruses can make a person feel ill

 • I can describe the spread and implication of measles 

 • I can describe the spread and implication of HIV

 • I can describe the spread and implication of TMV

 • I can describe the spread and implication of Salmonella

 • I can describe the spread and implication of gonorrhoea

 • I can describe the spread and implication of Rose Black Spot

 • I can describe the spread and implication of malaria 

 • I can describe how the body protects itself from disease, including skin, nose, trachea, bronchi and stomach

 • I can explain the role of the immune system

 • I can describe the different roles white blood cells play in the immune system

 • I can describe how vaccination can prevent illness

 • I can explain how vaccines work

 • I can explain the need for antibiotics

 • I can explain how antibiotics work

 • I can describe the problem of emerging antibiotic resistance

 • I can describe the use of painkillers

 • I can describe the process involved in developing a new drug and bringing it to market

 • I can describe how digitalis, aspirin and penicillin were discovered

 • I can recall that new drugs are tested for toxicity, efficacy and dose

 • I can describe how monoclonal antibodies are produced. Biology only. Higher tier only

 • I can describe how monoclonal antibodies can be used. Biology only. Higher tier only

 • I can evaluate the advantages and disadvantages of monoclonal antibodies. Biology only. Higher tier only

 • I can describe how a disease can affect a plant. Biology only. Higher tier only

 • I can recall how plant disease can be identified• Biology only Higher tier only

 • I can describe the range of pathogens that can infect a plant Biology only

 • I can recall the spread of and damage done by tobacco mosaic virus Biology only

 • I can recall the spread of and damage done by black spot disease Biology only

• I can recall the spread of and damage done by aphids Biology only

• I can explain how plants can be damaged by ion deficiency• Biology only• I can describe the range of plant defences, including physical, chemical and mechanical Biology only