| Petri dish is one of the most important laboratory | | | | teach students about the seed germination. The |
| consumable products used in biological laboratories. | | | | transparent material of the petri dish helps students |
| Petri dish is made of either glass or transparent | | | | to observe every step of growth of seed. |
| plastic. It is a shallow cylindrical dish mainly used to | | | | - The size of petri dish is perfect to be placed under |
| culture cells. | | | | a microscope so it is also used for dissection. |
| It was named after a German bacteriologist Julius | | | | - In laboratories, petri dishes can be used for basic |
| Petri, who invented it during working as an assistant | | | | experimental purposes such as transferring liquids in |
| to Robert Koch. Petri dishes made of glass can be | | | | sterile containers for study. |
| used again and again by sterilization while the plastic | | | | Several other uses of petri dishes, as laboratory |
| petri dishes once used can't be used again. They | | | | consumable products, are being explored by scientists |
| must be disposed of after one use. | | | | around the world. In coming time its use is not going |
| Petri dishes are usullay filled with a growth medium | | | | to be on hold or detoriate. Petri dishes have been |
| made of agar. Agar is a gelatinous substance madeĀ | | | | helpful in exploring different aspects of science, such |
| with extracts from red algae and various nutrients. | | | | as understanding viruses, growing cells integrated |
| The nutrients added might vary according to the | | | | with electronic circuits, etc. It is quite possible that in |
| need of the organism being cultured. | | | | near future other methods of studying organisms in |
| Uses of Petri Dishes | | | | lab be developed but the basic need to culture |
| - The primary use of petri dish in a laboratory is to | | | | organism in a sterile environment will never end and |
| culture cells. | | | | so the use of petri dishes. |
| - Petri dishes are used in schools and colleges to | | | | |