Which is the only reproductive bee in a colony?

Who drew attention to the fact that honeybees communicate through specific movements?

Identify the mismatched pair:

Which of the following points are important for successful beekeeping (apiculture)?
$I -$ Knowledge of the nature and habits of bees
$II -$ Selection of a suitable location for keeping the beehives
$III -$ Catching and hiving of swarms
$IV -$ Management of beehives during different seasons
$V -$ Handling and collection of honey and of beeswax

Honey bees keep the nectar for some time in their:

Honey bees also produce beeswax,which finds many uses in industry,such as: