“Anti-defection” provisions for MP's and MLA's are enshrined under which schedule of Indian constitution?

Answer: [D] Tenth schedule

Correct answer is Tenth schedule
Our constitution had 8 Schedules originally.The Ninth Schedule was added to the Constitution by the 1st Amendment, which came into force on 18 June 1951.Tenth schedule was added by 52th amendment act 1985 in context with the “Anti-defection” law.Eleventh schedule by 73rd amendment and 12th schedule by 74th amendment act.

This question is a part of GKToday's Integrated IAS General Studies Module