Kahoot

Kahoot  is a tool for using technology to administer quizzes, discussions or surveys. It is a game based classroom response system played by the whole class in real time. Multiple-choice questions are projected on the screen. Students answer the questions with their smartphone, tablet or computer.
Kahoot is one of the web 2.0 tools which is used widely by both teachers and students. As teachers, you can use Kahoot for evaluating the preparedness and lesson with an enjoyable way.