The most commonly maintained species of bees by bee-keepers is
(or)
Which one of the following species of bee is used for the commercial production o honey

Explanation

* Queen bee is the largest individual in the colony
* It is a fertile diploid female, one per bee hive and the egg layer of the colony.
* She lives for about five years and her only function is to lay eggs.
* The queen bee during its nuptial flight receives sperms from a drone and stores in the spermathecae and layes two types of eggs, the fertilised and unfertilised.