The generic name of which of these is Apis?

The correct option/answer is Honey bee.

To understand why this is correct, let's look at the scientific classification of honey bees:
In biological taxonomy, every organism is assigned a binomial name consisting of its genus (generic name) and species (specific name).
The genus name for the honey bee is Apis, which is a Latin word meaning "bee".
Thus, the generic name of the honey bee is Apis (e.g., the Western honey bee is scientifically named Apis mellifera).

Let's also look at the generic names of the other options for comparison:
1. Fish is a broad group containing many different genera (e.g., Salmo for salmon, Danio for zebrafish).
2. Lac insect belongs to the genus Kerria (specifically Kerria lacca).
3. Prawn encompasses several genera, commonly including Penaeus or Macrobrachium.

Therefore, the generic name Apis specifically corresponds to the Honey bee.