The field of virology started in the late _______ after Dimitri Ivanovski demonstrated that the infectious agent that caused disease in a tobacco plants could pass through a filter small enough to exclude any known bacterium.

Question

Quizplus · Accepted Answer

The key phrase in the question is "late" which implies that the field of virology started in a relatively recent century. Dimitri Ivanovski's discovery occurred in the late 1800s, which is also known as the "Golden Age of Microbiology." The other answer choices are too early for the development of virology as a distinct field of study.

The Field of Virology Started in the Late _______ After