(1) Rotenone, used as a piscicide and insecticide, is the active ingredient of what common home vegetable garden product?
Answer: Derris dust.
(2) Are rotifers (a) microvertebrates (b) microinvertebrates (c) macrovertebrates (d) macroinvertebrates?
Answer: (b) microinvertebrates
(3) What is a seven-letter word ending in ‘rote’, meaning to strangle?
Answer: Garrote.
(4) What is a roturier?
Answer: A commoner (person of low rank).
(5) Who played the role of Jessica Fletcher in the TV detective series ‘Murder She Wrote?’
Answer: Angela Lansbury.