In this task you will be given a text passage from a trivia quiz. You should choose the category this question belongs to from these categories: History, Science, Social Science, Fine Arts, Literature. You can only choose one category, so if in doubt, please choose the closest match.

[Q]: "Toy" and "toe" are two orthologs of the PAX6 gene in Drosophila named for their influence on the development of these structures. In insects and millipedes, these structures are made of clusters of hexagonal ommatidia, and rhodopsin is a pigment found in these organs. The(*) hyaloid canal passes through the vitreous humor in this organ, and rods and cones are specialized neurons found in the retina in this organ. For 10 points, name this organ in which the iris controls the passage of light through the pupil and toward the lens.
[A]: Social Science

[Q]: Having fought in the Chaco War, this man served as commander-in-chief of his nation's armed forces from 1951-54, and in 1954 he ousted President Frederico Chavez. Nicknamed Colonel Trunk, he essentially ruled as a totalitarian, and membership in his Colorado Party was a requirement for most jobs. His country became notorious for its illegal trade, drug trafficing, and harboring of NAZI war criminals, and in 1989 he was ousted by so-called "traditionalists" led by Andres Rodriguez. FTP, who was this son of a German immigrant, the long-time president of Paraguay
[A]: History

[Q]: Popular festivals in honor of this god include the Tubilustrium and the Equirria. His sacred animals were the woodpecker and wolf and his epithets included Gradivus and Ultor. His consort was the Sabine fertility goddess Nerio, but Ovid relates that he was tricked into sleeping with Anna Perenna. The chief temple of his sat on the Capitoline hill beside those of Jupiter and Quirinus, the latter of whom is associated with his son Romulus. FTP, name this Roman god of war often identified with the Greek Ares.
[A]:
Social Science