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.

[EX 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.
[EX A]: Social Science

[EX Q]: Military conflicts in this state include the Tuscarora War, squelched by Governor Edward Hyde, and the Regulator Movement, in which the title dissidents dragged state officials through the then-capital of Hillsborough. The western portion of what is now this state, when led by John Sevier and named Franklin, received seven votes for admission at the Continental Congress, while its central "Piedmont" region saw the first sit-ins of the civil rights movement at a Woolworth's in Greensboro, and its locale of Kill Devil Hills was the site of the Wright Brothers' first successful heavier-than-air flight. For 10 points, name this state with capital at Raleigh.
[EX A]: History

[EX Q]: This ruler, who may have been converted to the Nusayri sect by Sayyed Barakah, fought two wars against his arch-rival Tokhtamysh, destroying Sarai and winning climactic victories at the Battles of Orenburg and the Kur River. This leader of the Barlas tribe destroyed one dynasty when he viciously sacked the capital of the Tughlaqs, and another when he captured Heart and Khorasan and destroyed Neishapur after the death of Abu Said. Before being succeeded by his son Shah Rukh, he caused an interregnum with his victory at the Battle of Ankara, after which he reportedly brought the defeated Sultan in a cage to Samarkand. For ten points, name this warlord who conquered much of Central Asia in the 1300s.
[EX A]:
History