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
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Q: Fascinated in his youth by the sea and ships, he spent two years of his reign traveling throughout Europe learning the techniques of shipbuilding, but upon his return was forced to put down a revolt of the streltsy. Originally joint emperor with his retarded brother Ivan under the regency of his half-sister Sophia, he soon seized power, and later had his son Alexei tortured to death to maintain his rule. His seizure and eventual loss of Azov was his first notable attempt to gain greater maritime access, which was completed with his gain of a section of the Baltic coast, where he founded his new capital, modeled on the Western ideas he forced upon his country. FTP, who was this victor in the Great Northern War who from 1682-1725 ruled Russia

A: History
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Q: This mans Stabat Mater ends with a Paradisi Gloria performed by the whole choir featuring very few breaks and no division of voice parts, unlike the piece by Lassus which it is often compared with. Like Thomas Tallis, he produced some Lamentations of Jeremiah the Prophet, though he resigned afterwards in protest of the way choirboys were fed. His Mottetorum liber secundus includes motets by his brother and two sons, two of his 250 motets, an early book of which was dedicated to Pope Julius III and resulted in his admittance to the Cappella Sistina. His most famous work, for six voices, demonstrated that the mass could be intelligible in the context of polyphony and was submitted to the Council of Trent. FTP, name this 16th century composer of the Roman School, best known for his Pope Marcellus Mass.

A:
Fine Arts
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