Honey is

The correct option is "Nectar mixed with saliva and stored in the honey sac".

To understand why this is the correct answer, let's break down the process of how honey is made by honey bees:

1. Collection of Nectar:
Forager bees collect sugary nectar from flowers using their long, straw-like tongues (proboscis).

2. Enzymatic Activity and the Honey Sac:
Once sucked up, the nectar is stored in a specialized organ called the honey sac (or honey stomach), which is separate from their digestive stomach. In this sac, the nectar is mixed with salivary secretions and digestive enzymes (such as invertase and amylase) produced by the bee's salivary and hypopharyngeal glands. These enzymes begin breaking down complex sugars (sucrose) into simpler, more easily digestible sugars (glucose and fructose).

3. Storage and Dehydration:
Back at the hive, the bees regurgitate this mixture. It is passed between bees to reduce water content, deposited into the honeycomb cells, and further evaporated by the bees fanning their wings. The resulting thick, concentrated substance is what we know as honey.

Therefore, honey is not just raw nectar or a simple mixture of nectar and water, but specifically nectar that has been mixed with bee saliva (enzymes) and chemically transformed while stored in the honey sac.