Help
Options
Didn't know it?
click below
click below
Knew it?
click below
click below
Don't Know
Remaining cards (0)
Know
retry
shuffle
restart
0:00
Embed Code - If you would like this activity on your web page, copy the script below and paste it into your web page.
Normal Size Small Size show me how
Normal Size Small Size show me how
Microbiology Test 1
Chapters 1-6, Nomenclature in Ch 9
| Question | Answer |
|---|---|
| Less than 1% of microorganisms are harmful and cause disease? T or F | true |
| Life on earth would be much better if all microbes were eradicated. T or F | false |
| Which isn't a reason for microorganisms useful in research? (A)microbes have high reproductive rates. (B)microbes r easily controlled. (C) microbes have simple structures. (D) microbes make it easier to prove statistical sigificance of an experiment | B | Microbes are easily controlled |
| Animals such as worms and ticks are too large to be included in a microbiology course? T or F, explain | False | worms have microscopic stages in their life cycles that can cause disease, & ticks can transmit these stages as well as other disease-causing microbes. |
| The event that triggered the development and establishment of microbiology science is the? | E | development of the microscope. |
| What was Leeuwenhoek's contribution to microbiology? | the development of high quality lenses by Leeuwenhoek made it possible to observe microorganisms & later formulate cell theory. |
| Which scientist first disproved spontaneous generation by showing that maggots only appear on decaying meat that has been exposed to flies? | D | Redi |
| Which of the following was not useful in disproving "spontaneous generation"? (A) John Tyndalls "dust settlement" (B) Louis PAsteur's boiled infusion in swans (C) Louis Pasteur's filtered air through cotton plugs (D) Louis P's "pasteurization process | D | Louis Pasteur's "pastuerization process" in wine making. |
| Besides providing evidence towards disproof of spontaneous generation, Louis P made other contributions toward microb, what is one thing that isn't part or Louis P's contributions? | D| developed a cowpox vaccine for smallpox |
| The germ theory of disease states.. (A) m.organisms that invade organisms cause disease. (B) m.organisms spontaneously arise in debilitated hosts. (C)m.organisms dont cause infectious diseases. (D)not all m.organisms r harmful.(E)malaria caused by bad ai | A| microorganisms that invade other organisms can cause disease in those organisms. |
| Put Koch's postulates in order. (A)disease org. must be isolated in pure culture. (B)disease org. recovered from innoculated animal. (C)specific causative agent must b found in every case of disease. (D)innoculation spl. of culture into healthy animal mu | C, A, D, B |
| What did Semmelweis and Lister contribute to microbiology? | Semmelweis and Lister contributed to improved sanitation on medicine by applying the germ theory and using aseptic technique, |
| Use diagram to explain how PAstuer's swan-necked flasks prevent contamination of sterile broth in flasks. What happens 2 sterile broth in(A) after its been allowed 2 cool like(B). What happens 2 broth after flask has tipped 2 come contact w.dust like(C). |
Created by:
hlcumings
Popular Biology sets