In this e-monograph, Multiple-Choice-Questions (MCQs) in Radioactivity, Fission and Fusion are given. There are three types of questions arranged in sections A, B and C. Section A contains MCQs with one or more than one correct option(s). Section B contains questions whose correct answer is a numerical value. Section C contains questions based on paragraph. Answers and hints/solutions are also provided. The e-monograph is suitable for reading on Mobile using Kindle Reading Apps.