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]: A tree can be seen in the background of this work through a window bisected by a stone column. Beneath the window lies a series of chests, one of which is being searched through by a child in white. The childs caretaker, carrying a large gold and blue garment, looks after the child while on the right a small brown and white dog sleeps peacefully on a couch. Tapestries line the walls near the chests and green and beige tiles line the floor, and a green curtain obscures the back left portion of the room. On a red couch in front of the curtain rests the title character, who holds pink flowers in her hand as she stares at the viewer. For 10 points, name this painting by Titian.
[A]: Fine Arts

[Q]: When it interacts with ryanodine receptors, this element upregulates its own release, and this compound forms the cell plates of coccolithophores. Stimulation of Gq ("g-sub-q") opens a channel that allows for this ion's movement, and proteins that bind this ion have an EF hand motif. Cellular concentrations of this ion are regulated by IP3. Parafollicular cells of the (*) thyroid produce a compound that reduces the concentration of this ion in blood, and its intestinal absorption requires vitamin D. This ion interacts with Troponin to stimulate muscle contraction, and the lumens of sarcoplasmic reticula have high concentrations of this ion. For 10 points, name this divalent cation that is stored in bones.
[A]: Science

[Q]: white faces emerge from black clothing in this man's Three Studies for Figures at the Base of a Crucifixion. For 15 points, name this twentieth-century artist, who parodied Velasquez's Innocent X for the most notable member of his Screaming Popes series.
[A]:
Fine Arts