Q. 'Queensberry rules' is code of rules that directly influences which of the following sports?
Answer: Boxing
Notes: The Marquess of Queensberry Rules are a code of generally accepted rules in the sport of boxing. Drafted in London in 1865 and published in 1867, they were named so as the 9th Marquess of Queensberry publicly endorsed the code, although they were written by a Welsh sportsman named John Graham Chambers.