No, Jaws isn't a novela. It's more recognized as a thrilling narrative that made a significant impact in the literary and cinematic worlds, rather than being classified as a novela specifically.
Well, cereal companies sometimes use cartoons to market their products. Also, kids might enjoy watching cartoons while eating cereal. But that's about it for the connection.
A 'cereal graphic novel' could be a graphic novel that has some sort of connection to cereal. Maybe it features cereal characters, like the ones often found on cereal boxes, in its story. For example, it could be about the adventures of a mascot from a popular cereal brand.
Cereal soup definitely isn't a comic. Comics are visual stories with panels and characters, while cereal soup is something you eat. They are completely different things.
I'm not sure if there are many widely known 'cereal graphic novels' out there. However, some small - scale or indie works might exist. Maybe a local artist has created one based on a local cereal brand in their area.