Welcome to Labotrees Quiz Section General Knowledge quiz on Inventions and Discoveries. Attempt the general knowledge Multiple Choice Quiz Questions on Inventions and Discoveries. Following questions appeared in previous years question papers of SSC, NDA, CDS, UPSC, UPPSC and State PSC Examinations. This Online Test is based on multiple choice questions for all competitive examinations. Questions related to Inventions and Discoveries are importantas in each competitive examinations. To better prepare for the exam, we have provided 20 questions in each quiz so that you do not miss any question that appeared last years final papers. In this technological era it is better to learn and practice online and check your knowledge in Inventions and Discoveries. So let’s start the quiz.