Types of Microbes
Germ Theory of Disease
Body Defences
Helpful Microbes
Diseases
100
How many types of microbes are there?
4
100
What is the germ theory of disease?
A theory that states disease is caused by microbes reproducing in your body.
100
What are the 3 body defences?
Skin and mucous membrane, white blood cells, and antibodies.
100
What are the 3 types of helpful microbes?
Decomposers, microbes in the gut and food making microbes.
100
Why do microbes live better in the human body?
Because the human body is a good temperature for them.
200
What are the main types of microbes called?
Fungi, bacteria, protozoa and viruses.
200
What is spontaneous generation?
The idea that microbes and other small organisms can appear on inanimate objects.
200
What causes antibodies to be created?
A disease entering the body.
200
What do decomposers do?
They break down dead organisms.
200
What type of microbe causes malaria?
Protozoa.
300
How do viruses reproduce?
They use a cell's organelles to make copies of itself.
300
Who disproved the theory of spontaneous generation?
Francesco Redi.
300
How do microbes get in the body.
Through open wounds, eating, drinking or breathing in air with microbes in it.
300
What product from yeast is used in wine?
Ethanol.
300
Which type of microbe causes sore throats?
Bacteria.
400
How do fungi reproduce?
They spread spores through the air or on animals.
400
Who first saw microbes?
Anton Van Leeuwenhoek.
400
How do white blood cells kill microbes?
They digest them.
400
What do yeast need to make CO2 and alcohol?
Sugar
400
What weaker strain was used to stop smallpox?
Cowpox
500
Which is the smallest of the 4 main microbe types?
Viruses.
500
Who came up with the germ theory of disease?
Louis Pasteur.
500
How does smoking cause cancer cells to form?
White blood cells kill other cells while trying to attack ash from smoking. The cells regrow and there is a chance one mutates into a cancer cell.
500
What do microbes in he gut produce?
Vitamins.
500
What 4 techniques are used to control microbes?
Hygiene, isolation, disinfectants and antiseptics, and the body defences.