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General Knowledge category, Challenging level, with 10 questions.

Question 1 of 10

According to a 2003 report in the American Journal of Human Genetics, one in every 200 men is descended from what Central Asian conqueror?

Question 2 of 10

We know Melanie Hamilton is pregnant for 21 months because the book featuring her intertwines her plot with key Civil War battles. Which book?

Question 3 of 10

In 2010, Taiwanese botanists discovered that implanting gold nanoparticles into Bacopa caroliniana would make what part of them glow red?

Question 4 of 10

Who is the mother of actress Isabella Rossellini?

Question 5 of 10

Whose Wikipedia page falls into all these categories? 20th-century American actors, American labor leaders, Governors of California, Writers from Illinois

Question 6 of 10

In February 2002, what country did British Royal Marines accidentally invade, mistaking it for Gibraltar?

Question 7 of 10

What playwright, who may have worked as a secret agent, was stabbed to death by Ingram Frizer in a Deptford tavern brawl?

Question 8 of 10

The "zloty" is the official currency of which country?

Question 9 of 10

Preseucoila imallshookupis is a gall wasp in a genus named for whom?

Question 10 of 10

Which company introduced the Newton PDA in the 1990s?

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