| # | Clue | Answer As Given | Value | Round | Category | Air Date | Show |
|---|---|---|---|---|---|---|---|
| Got aphids? This toxic extract from tobacco will bump them off | nicotine | $400 | J | PLANT PESTS | 1993-03-11 | #1969 | |
| This poisonous alkaloid is found in tobacco & used as an insecticide | nicotine | $600 | DJ | PLANTS | 1986-02-06 | #369 |