In which year did the Chernobyl Nuclear Disaster occur? 1979 1986 1991 2000 None Which reactor at the Chernobyl Nuclear Power Plant exploded during the disaster? Reactor 1 Reactor 2 Reactor 3 Reactor 4 None What was the immediate cause of the Chernobyl disaster? Sabotage Operator error during a safety test Natural disaster Equipment malfunction None Which European country was most affected by the radioactive fallout from the Chernobyl disaster? Germany France Belarus Italy None What is the term used to describe the concrete structure built to contain the remains of the Chernobyl reactor? Chernobyl Dome Sarcophagus Shield of Safety Radiation Enclosure None Time's up