The relatively alarming dearth of guide books such as this the most useful instruments of evaluation dimensions of embedded knowledge in undergraduate medical students, has prompted publication of this book. This book contains 375 questions dealing with all important topics of Medical Microbiology including Bacteriology, Virology, Mycology and Clinical Microbiology in addition to Medical Parasitology. This will surely serve as an excellent tool for self- appraisal as well as a stimulus for gauging one's abilities to analyze, rationalize and synthesize the knowledge. In fact it can even be effectively utilized for group discussions among students which verily would foster their maturity and academic advancement. We have taken all efforts to present the answers that will convey adequate useful information. If this is found useful it would confirm our aspirations as not only teachers and trainers but testers as well. We wish all the readers a salubrious journey through this book which is a compulsory companion to all students.