Unit 4 0.0 / 5 ? BiologyMicrobes and diseaseGCSEAQA Created by: Miss V HarrisCreated on: 11-03-19 21:47 Communicable Infectious - can be passed from organism to organism 1 of 16 Pathogen Microorganism that causes disease, e.g. bacteria, fungi, virus, protist 2 of 16 Measles Viral disease with symptoms of a fever and red skin rash 3 of 16 HIV Virus that causes a flu-like illness but damages the immune system; develops into AIDS 4 of 16 Tobacco Mosaic Virus (TMV) Plant virus causing discolouration of the leaves 5 of 16 Salmonella Bacterial disease which causes food poisoning 6 of 16 Gonorrhoea STD with symptoms of a thick yellow/green discharge and pain when urinating 7 of 16 Rose black spot Fungal plant disease where purple/black spots develop on the leaves 8 of 16 Malaria Disease caused by a protist where mosquitos are the vector 9 of 16 Vector An organism that transports a disease from person to person 10 of 16 Phagocytosis White blood cells engulf and digest pathogens 11 of 16 (BIO ONLY) Nitrate deficiency Causes stunted growth in plants 12 of 16 (BIO ONLY) Magnesium deficiency Causes chlorosis (yellowing of leaves) in plants 13 of 16 (BIO ONLY) Physical plant defences Plant defence responses to resist invasion of microorganisms, e.g. tough waxy cuticle 14 of 16 (BIO ONLY) Chemical plant defences Plant defence responses to resist invasion of microorganisms, e.g. poisons 15 of 16 (BIO ONLY) Mechanical plant defences Plant defence responses to resist invasion of microorganisms, e.g. leaves which droop when touched 16 of 16
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