Science & Nature quiz
1,215 questions across 3 difficulty levels. Every attempt draws a fresh random set, so you can play as often as you like.
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201 questions
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Sample questions
- What disease may be diagnosed by checking Vitamin B12 levels and is characterized by a lack of red blood cells?
- What does the yellow diamond on the NFPA 704 fire diamond represent?
- Which ship did Charles Darwin famously travel on?
Answers are revealed after you submit a quiz.