Article: Present-day Christian religious bodies known for conducting their worship services without musical accompaniment include some Presbyterian churches devoted to the regulative principle of worship, Old Regular Baptists, Primitive Baptists, Plymouth Brethren, Churches of Christ, the Old German Baptist Brethren, Doukhobors the Byzantine Rite and the Amish, Old Order Mennonites and Conservative Mennonites. Certain high church services and other musical events in liturgical churches (such as the Roman Catholic Mass and the Lutheran Divine Service) may be a cappella, a practice remaining from apostolic times. Many Mennonites also conduct some or all of their services without instruments. Sacred Harp, a type of folk music, is an a cappella style of religious singing with shape notes, usually sung at singing conventions.

Question: In the modern day, what broad religious group is most known to implement a cappella?
Ans: Christian religious bodies

Article: The first video game based on the AFL was Arena Football for the C-64 released in 1988. On May 18, 2000, Kurt Warner's Arena Football Unleashed was released by Midway Games for the PlayStation game console. On February 7, 2006 EA Sports released Arena Football for the PlayStation 2 and Xbox. EA Sports released another AFL video game, titled Arena Football: Road to Glory, on February 21, 2007, for the PlayStation 2.

Question: What was the first Arena Football League video game?
Ans: Arena Football

Article: Several famous people have Ashkenazi as a surname, such as Vladimir Ashkenazy. However, most people with this surname hail from within Sephardic communities, particularly from the Syrian Jewish community. The Sephardic carriers of the surname would have some Ashkenazi ancestors since the surname was adopted by families who were initially of Ashkenazic origins who moved to Sephardi countries and joined those communities. Ashkenazi would be formally adopted as the family surname having started off as a nickname imposed by their adopted communities. Some have shortened the name to Ash.

Question: Most people with the surname Ashkenazi, hail from which particular community?
Ans: Syrian Jewish community

Article: Botany was greatly stimulated by the appearance of the first "modern" text book, Matthias Schleiden's Grundzuge der Wissenschaftlichen Botanik, published in English in 1849 as Principles of Scientific Botany. Schleiden was a microscopist and an early plant anatomist who co-founded the cell theory with Theodor Schwann and Rudolf Virchow and was among the first to grasp the significance of the cell nucleus that had been described by Robert Brown in 1831. In 1855, Adolf Fick formulated Fick's laws that enabled the calculation of the rates of molecular diffusion in biological systems.

Question: What was Schleiden's profession?
Ans:
microscopist