(1) What is the term for the seed dispersal process whereby burrs are attached to passing animals?
Answer: Epizoochory.
(2) In JRR Tolkein’s books, what character refers to Bilbo Baggins as a “burrahobbit”?
Answer: A troll.
(3) What does the acronym ‘BER’ stand for in digital transmission?
Answer: Bit Error Rate.
(4) Whom did US Vice President Aaron Burr shoot and kill in a duel in 1804?
Answer: Alexander Hamilton.
(5) What does it mean to have “a burr under the saddle”?
Answer: To experience a constant source of annoyance or irritation.