1. The document contains 20 multiple choice questions related to infectious diseases such as cholera, SARS, Ebola, cancer risk factors, substance abuse, lymphatic filariasis, coronaviruses, chikungunya, and malaria. 2. The questions cover topics like the causative agents of various diseases, their transmission modes, clinical manifestations, standard treatment protocols, risk factors, and the life cycles of infectious organisms. 3. The correct answer options for each question are also provided, making this a quiz/test on important concepts in microbiology, virology and preventive medicine.