Which statement about how conifers deal with waste is correct?

1. A Option A: They excrete some waste materials directly into the soil, occasionally using them as a chemical weapon against competing plants
2. B Option B: They store excretory products in vacuoles at a concentration that leads to crystal formation
3. C Option C: They produce black wood in the centre
4. D Option D: They accumulate waste in leaves, which fall in autumn

Answer checked 11 October 2026 · How we write and check questions