Final answer:
The ploidy of the given cell model is 6.
Step-by-step explanation:
The ploidy of the cell model you described can be determined based on the number of sets of chromosomes. In the model, you mentioned a circle containing six pairs of light-blue sausage-shaped forms attached along their midlines. Three pairs are short with a dark-blue horizontal band near the top, and three pairs are long with a green horizontal band near the bottom.
Since there are six pairs of forms, we can assume that each pair represents a set of chromosomes. Therefore, the ploidy of this cell model is 6.
It's important to note that the cell model described is a simplified representation and may not accurately depict an actual cell. But based on the provided information, we can interpret the ploidy to be 6.