Extremophiles Trivia Questions
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Organisms thriving in extreme environments. Play Extremophiles trivia solo to sharpen your knowledge, or challenge a friend head-to-head in Trivia Tango — every question comes with an explanation so you learn as you play. Questions span every level, from easy warm-ups to expert-level stumpers, so there's a real challenge here however much you already know.
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Sample Extremophiles Quiz Questions
A mix of easy, medium and hard — questions run from warm-up to expert, so there's a real challenge at every level. Think you know the answers? Play to find out.
These organisms thrive in environments that would kill most other life forms, such as boiling hot springs or freezing Antarctic ice.
Difficulty: Easy- Extremophiles
- Parasites
- Mammals
- Insects
This Nobel Prize-winning scientist developed the PCR technique using the heat-stable enzyme from Thermus aquaticus.
Difficulty: Medium- Kary Mullis
- Thomas Brock
- Carl Woese
- Craig Venter
This alternative carbon fixation pathway found in some archaea uses acetyl-CoA as a central intermediate and is considered the most ancient.
Difficulty: Hard- Wood-Ljungdahl pathway
- Calvin-Benson cycle
- 3-hydroxypropionate cycle
- Dicarboxylate-hydroxybutyrate cycle
This is the general term for organisms that love and thrive in extremely hot environments, like volcanic vents.
Difficulty: Easy- Cryophiles
- Thermophiles
- Halophiles
- Acidophiles
This archaeon holds the record for surviving the most acidic environment, growing optimally at pH 0.7.
Difficulty: Medium- Sulfolobus acidocaldarius
- Picrophilus torridus
- Ferroplasma acidarmanus
- Acidianus infernus
This membrane lipid structure unique to archaea consists of glycerol linked to isoprenoid chains via ether bonds in sn-2,3 configuration.
Difficulty: Hard- Phosphatidylcholine
- Archaeol
- Phosphatidylethanolamine
- Sphingomyelin
This colorful national park in Wyoming is famous for its hot springs that host colorful thermophilic bacteria and archaea.
Difficulty: Easy- Yosemite
- Glacier
- Yellowstone
- Grand Canyon
This deep-sea research submersible, operated by NOAA, has explored hydrothermal vent ecosystems and discovered new extremophile communities.
Difficulty: Medium- Trieste
- Mir
- Alvin
- Nautile
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