| # | Clue | Answer As Given | Value | Round | Category | Air Date | Show |
|---|---|---|---|---|---|---|---|
| Glyphosate is one of the most widely used of these, another word for a weedkiller | an herbicide | $800 | DJ | AGRICULTURE | 2019-12-20 | #8120 | |
| 2,4-D, a selective one of these weedkillers, came into use in the 1940s | an herbicide | $500 | J | AGRICULTURE | 1996-05-30 | #2719 |