What is the main use of a 'Petri dish' in biology?

Arohanui, wouldn't round be considered two dimensional and cylinder be considered three dimensional?

Nannad, over explaner

Nickolios, how, when it states DISH in the answer 🙄? .. why do some take a simple answer and try to be clever by making it unecessarily complicated 🙄🙄🙄

petri dish used for grow the microorganisms like bacteria and fungi in laboratory.

Happy to be a bio student 😊😁