From the statements given below, how many statements are correct?
(i) Bees perform a round dance when the distance of food source from the hive is less than 100 m.
(ii) Tail wagging dance is performed by bees if the food source is placed more than 100 m away from the hive.
(iii) Nuptial flight is flight of drones and queen for copulation.
(iv) Bees wax is secreted by abdominal wax glands of both drones and queens.