GCSE Biology (Separate) B5 Communicable diseases

Bacteria, viruses, fungi & protists which cause communicable diseases are known as ...

Bacteria can produce ______ that make you feel ill.

Viruses live and _______ inside your cells, causing cell damage

Pathogens can be spread by air, water or ______

Bacteria can multiply by ________ as often as every 20 minutes if they have enough nutrients and a suitable temperature.

Which scientist thought that childbed fever was caused by an infectious agent and so insisted his medical students wash their hands before delivering babies.

Which scientist showed that microorganisms caused disease and developed vaccines against diseases such as anthrax and rabies.

Which scientist started to use antiseptic chemicals to destroy pathogens before they caused infections in operating theatres.

Measles is caused by a ______ pathogen and spread by droplet infection. It causes fever & a rash and can be fatal. There is no cure. Isolation of patients and vaccination prevents spread.

Tobacco mosaic virus is spread by ______ . It damages leaves and reduces Photosynthesis there is no treatment.

Salmonella is spread through undercooked food & poor hygiene. It is caused by a _______ pathogen

Rose black spot is caused by a _____ pathogen. It damages leaves and so affects Photosynthesis.

Malaria is caused by ______. It damages blood and liver cells and can prove fatal.

Some white blood cells ______ pathogens, digesting and destroying them so they cannot make you ill

Some white blood cells produce ______ which each target specific pathogens and destroy them.