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- 1. Multiple Choice
Large unicellular bud and spore forms that are spread by contact
or in air currents.
Molds
Yeast
Bacteria
Protozoa
- 2. Multiple Choice
Microscopic single-celled organisms that thrive in diverse
environments. They constitute a large domain of prokaryotic microorganisms.
Molds
Yeast
Protozoa
Bacteria
- 3. Multiple Choice
Extremophilic bacteria or archaea which are cold‐ loving,
having an optimal temperature for growth at about 15°C or lower, a
maximal temperature for growth at about 20°C and a minimal
temperature for growth at 0°C or lower.
psychropiles
thermophiles
mesophiles
hydrophile
- 4. Multiple Choice
Organisms growing in the absence of oxygen.
aerobic
organisms
anerobic organisms
facultative
saprophyte
- 5. Multiple Choice
Microorganisms requiring free oxygen in order to grow.
aerobic
organisms
anerobic organisms
facultative
saprophyte
- 6. Multiple Choice
An anaerobe produces the toxin botulin, one of the
most poisonous substances known.
Salmonellae
Staphylococcus aureus
Clostridium botulinum
Clostridium perfringens
- 7. Multiple Choice
facultative anaerobes which cause infectious food
poisoning.
Salmonellae
Staphylococcus aureus
Clostridium botulinum
Clostridium perfringens
- 8. Multiple Choice
a facultative aerobe that causes intoxication. It
lives in the nose, throat, hair and skin and on animal hides.
Salmonellae
Staphylococcus aureus
Clostridium botulinum
Clostridium perfringens
- 9. Multiple Choice
an organism—a type of extremophile—that thrives at
relatively high temperatures, between 41 and 122 °C (106 and 252 °F).
psychropiles
thermophiles
mesophiles
hydrophile
- 10. Multiple Choice
an organism that grows best in moderate temperature,
neither too hot nor too cold, typically between 20 and 45 °C (68 and 113
°F).
psychropiles
thermophiles
mesophiles
hydrophile
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