This document contains 12 general knowledge questions about various topics including vehicle headlights, heavy water uses, fuse wire materials, greenhouse gases, Canada's investment financing, sound conversion devices, ball pen principles, dynamo uses, the origin of French fries, butterfly taste organs, carbon dioxide lake water eruptions, and low pollution fuels. The questions are multiple choice format with no answers provided. The questions cover science, geography, history, and environmental subjects at a general knowledge level.