GCSE Biology OCR B J257

B2.1: What are the causes of disease?

#B2.1.1

describe the relationship between health and disease

#B2.1.2

describe different types of diseases (including communicable and non-communicable diseases)

#B2.1.3

explain how communicable diseases (caused by viruses, bacteria, protists and fungi) are spread in animals and plants

#B2.1.4

describe common human infections including influenza (viral), Salmonella (bacterial), Athlete’s foot (fungal) and malaria (protist) and sexually transmitted infections in humans including HIV/AIDS (viral)

#B2.1.5

describe plant diseases including tobacco mosaic virus (viral), ash dieback (fungal) and crown gall disease (bacterial)

B1.3
How can and should gene technology be used?
B2.2
How do organisms protect themselves against pathogens?