Question

Cezanne's the basket of apples is full of what appear to be "mistakes" but are actually

Answer 1

I believe the answer is: Artist choices meant to engage the imagination of the viewer.

In Cezanne's basket of apples, the artist purposefully create things such as wrong lines or colors in the painting.
the artist aimed to make the audience engaged in the painting and their imagination by making them paying attention to the smallest details of the painting and guessing what it mean.