| # | Clue | Answer As Given | Value | Round | Category | Air Date | Show |
|---|---|---|---|---|---|---|---|
| This orange pigment first isolated in carrots in 1881 is also found in pumpkins & sweet potatoes | carotene | $2,000 | DJ | BOTANY | 2011-03-02 | #6098 | |
| In the autumn many tree leaves turn yellow or orange because of this 8-letter pigment | carotene | $1,600 | DJ | PLANT SCIENCE | 2010-11-17 | #6023 | |
| This pigment in carrots also turns birch tree leaves yellow in autumn | carotene | $400 | J | BOTANY | 1994-06-09 | #2264 | |
| The bets variety of this hydrocarbon is the orange pigment in carrots | carotene | $800 | DJ | BOTANY | 1987-12-11 | #755 |