Petri plate exposure method is used in microbiology and plant pathology to cultivate microorganisms or plant cells. The method involves the deposition of an inoculum (a suspension of microorganisms or plant cells) on a surface covered with a solid medium, such as agar or cell culture medium. The medium will then spread the inoculum over the surface, allowing it to grow. After some time – … Continue reading What is Plate Exposure Method! Exposure Methods?