The correct option is B P → (iii), Q → (iv), R → (i), S → (ii)
∙ Apis florea or the Red dwarf bee rarely stings and produces about 1 kg of honey per colony per year.
∙ Apis indica or Indian bee can be easily domesticated and is most commonly used for honey production. The annual yield of honey from this species is 2 to 5 kg per colony year.
∙ Apis dorsata, also known as Rock bee is a giant bee and yields about 37 kg of honey per colony.
∙ Apis mellifera is the most widely used species of bee across the world and is the most commercially viable species for honey production. It has a very typical dance routine to indicate food availability.