Plants Quiz. Can you answer them all?
Question 1 of 10
The tahina palm has leaves so broad, 15 feet across, that it's visible on Google Earth. But we didn't discover it until 2008. Where?
Question 2 of 10
If you see somebody standing under Viscum album, what should you do?
Question 3 of 10
Two Indonesian flowers, rafflesia and titan arum both claim to be the world's largest flower. Confusingly, both are also known by what name?
Question 4 of 10
That wonderful smell of cut grass comes from green leaf volatiles. According to a 2012 item in Science, what causes grass to release GLVs?
Question 5 of 10
What fungus from the Claviceps can spread through grains, creating hallucinations and madness that have been blamed for the Salem witch trials, the French peasant uprising in 1789 and Peter the Great's retreat from Astrakhan in 1722?
Question 6 of 10
Eucalyptus deglupta is the only eucalyptus that grows in the northern hemisphere, in Hawaii and Florida. It also goes by what name, for how the outer bark peels, revealing an array of colors?
Question 7 of 10
A genus of flowering plant called lobelia is known as Indian tobacco, as well as all but which of these names?
Question 8 of 10
What agriculture technique keeps one field fallow, sowing cereals in the fall and oats and legumes in the spring?
Question 9 of 10
We wouldn't have tequila if it weren't for what animals, which pollinate almost every tropical night-blooming plant?
Question 10 of 10
The cranesbill is named for its resemblance to a crane, and it is the wild version of what flower, whose name means "crane" in Latin?
History Quizzes
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70s Nostalgia Quiz
Do you remember?
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History Trivia Quiz
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10 Historical Trivia Questions
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Quiz on History
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History Quiz
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This History Quiz is Rough
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History Quiz
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Calling All History Buffs!
Can You Beat the Experts?
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History Quiz
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Geography Quizzes
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Geography Quiz
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HARD Science Quiz
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Play This Geography Quiz Now!
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Geography Quiz
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Geography Quiz
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10 Question About Planet Earth
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Geography Quiz
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Music Quizzes
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Alternative Rock Music Quiz
Have you ever heard of any of these bands?
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10 difficult questions about John Denver
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Barbra Streisand Quiz
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Science Quizzes
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Quiz on Science
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Quiz on Science.
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Science Quiz with challenging questions
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Who Sang Quizzes
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Who Sang These 90s Songs?
Feels like yesterday isn't it?
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Do you know who sang these songs?
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Who Sang These Songs?
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Who sang these songs?
10 Questions
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Who Sang These Folk & Americana Songs?
Is your favorite artist in this quiz? Take it and find out!
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Who were the singers of these songs?
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Who Sang These Songs?
Do you have a favorite songs between these 10 songs?
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Quiz on music from the 1960s.
You won't score a perfect 10
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Who Sang These Country Songs?
Question 10 is by far the hardest
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Food & Beverage Quizzes
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Quiz on Food and Beverage
What's your favorite pizza?
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Food Quiz
What is your favorite Guilty Pleasure?
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General Knowledge Quizzes
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General Knowledge Quiz
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Challenging Knowledge Quiz
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Challenge Your Brain
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Blast from the Recent Past: 2010s Trivia
Dare to Score an 8 or Above? Few Can Ace This Ultimate 2010s Challenge!"
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Mixed Trivia Quiz for Intellectuals
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Trivia with a blend of knowledge.
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Trivia Contest
Will you succeed?
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Can you top a 4 out of 10?
We dare you!
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Mixed Trivia Quiz
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Literature Quizzes
Movie Quizzes
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Lights, Camera, Quotes!
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Movie Quiz
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Movies & Series Quiz
Which TV series have you watched more than once?
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Movie Quiz
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Rewind to the 70s: Movie Quiz
Which of these have you seen in the cinema?
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Math Quizzes
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Math Examination
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Math Quiz
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10 Math Questions
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Everybody likes music, but how much do you know about it?
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Extremely Hard Science Quiz Even Einstein would scratch his head!
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Very hard geography quiz, can you get more than 5 correct?