A profile just remembers which riddles you've solved, right here in this browser — no email, no password, nothing sent anywhere. Great for siblings sharing a device: everyone gets their own list.

New profile

English

English
עברית
العربية

Ages 18+Ages 12–15 Ages 10–12 Ages 7–9 Ages 4–6

Trivia · Ages 12–15

Riddle #185

What do the three letters in "DNA" stand for?

You solved this one before

Your answer

Type your answer and press Check.

Answer: Deoxyribonucleic acid

Add to a print sheet

Previous riddle #184 Random riddle #186 Next riddle

More Trivia riddles for Ages 12–15

#186 Which ancient Greek thinker gives his name to the theorem that a² + b² = c² in a right-angled triangle?
#173 What is the chemical symbol for gold?
#174 In which year did World War II end?

All Ages 12–15 riddles

Puzzlekin

Puzzlekin writes every riddle from scratch and checks every answer before it's published.

© 2026 Puzzlekin