What is the color of beeswax?

Which foreign travelers have discussed the medicinal use of honey?
$(i)$ Fa-Hien
$(ii)$ Kuber
$(iii)$ Huxley
$(iv)$ Huen-Tsang
$(v)$ Kurien

Which of the following statements regarding honey are incorrect?
$I.$ The medicinal use of honey has been known since ancient times.
$II.$ Honey is a secretion from the abdominal glands of worker female bees.
$III.$ In a honeybee colony,the worker bee is a sterile male.
$IV.$ $A$ developed honeybee colony contains a large number of sterile worker bees.
$V.$ Honey is a completely plant-derived product.

Does apiculture offer multiple advantages to farmers? List its advantages if it is located near a place of commercial flower cultivation.

The life span of a worker bee is

What is a worker bee?