Microbes and You I Quiz

I. Matching: Match terms on the left with definitions on the right

1. Pasteurization	A. Rod shaped bacteria.
2. Sterilize	B. A technique used to categorize bacteria into two, fundamental groups.
3. Bacilli	C. A microbe which must hijack the cellular machinery of other cells in order to reproduce.
4. Fermentation	D. Microbes which cause disease.
5. Antibiotic	E. Microorganism which grows in large, filamentous masses. (Hint: One variety is a common pizza topping.)
6. Virus	F. A process involving heating which kills harmful microbes.
7. Gram Staining	G. Substances produced by bacteria which poison the host they’ve invaded, thus causing a disease state.
8. Fungi	H. A chemical compound which kills bacteria, but does not harm people.
9. Pathogens	I. To kill all of the bacteria, viruses, and fungi found in a liquid, or on tools, such as surgical scalpels.
10. Toxins	J. Metabolic process in which bacteria use sugar to produce energy, making carbon dioxide as a byproduct.

II. True or False: Read the statements carefully before making choice

11.	The surface of your desk is covered in virus particles.
12.	It is OK to open up a Petri dish and smell the contents to find out what kind of bacteria is growing inside it.
13.	Microorganisms can be found in virtually every environment on Earth.
14.	The word “micro” means “big”.
15.	Only bacteria can make you sick; viruses and fungi never cause disease.
16.	Biology is the study of bicycles.
17.	Some bacteria growing on, and in our body are helpful, and without them we would get very sick.
18.	A damp dishrag left out on the kitchen sink for a few days has more bacteria in it than are found on the average toilet seat.
19.	When food is cooked properly all of the bacteria in the food are killed, making the food safe to eat.
20.	If you get a cut, or a scrape, it’s OK to just leave it alone, and let dirt get into it.

III. Fill in the Blank: ** Bonus Section ** (2pts each)

1. Our ______ _______ protect us from invading microorganisms that can make us sick.

2. Some helpful bacteria in our intestines helps us _________ our food.

3. When bandaging a cut, it is important not to make the bandage too tight so that _____ can get to the wound. This helps kill any anaerobic bacteria which may have gotten into the cut.