The correct options are
A They are excellent pollinators.
B They produce bee venom and bee wax.
D They produce honey.
Apiculture is the practice of rearing or keeping, caring and management of honeybees on a large scale for obtaining honey and wax. Bee venom is the other product of apiculture and is used for the preparation of ‘Apis tincture’ which is used in homeopathic treatment.