Quiz on diseases and their spread. Learn about infectious diseases, communicable and non communicable diseases, disease prevention, infection control and more. This quiz is an interactive online test which teaches students about what causes certain diseases and how they spread. For example, the Flu is airborne and can spread very easily; hence direct contact with patients should be avoided. Other diseases like herpes can spread through contact with body fluids; hence such contacts have to be minimized. There are other deadly diseases like cancer which are not spread from person to person but which can also be prevented or cured in certain cases. | Multiple choice quiz featuring biology test questions for students to review biology topics. Click on each question and select the correct answer below and submit. Feedback is instant and at the end you will get your score. Biology quiz for 2nd, 3rd, 4th, 5th, 6th, 7th grades to review. Focus: Online science Trivia | science quiz questions | Biology Test | Biology questions.