Gram Stain and Isolation Rubric
Name___________________________ Unknown Number________________________
Identification (Gram reaction, cell shape, and arrangement):______________________
Describe colony morphology:_______________________________________________
| Criteria | Possible Points | Points Earned |
| Gram Stain | ||
| Stain Preparation |
2 |
|
| Correct Gram reaction |
2 |
|
| Correct cell shape |
2 |
|
| Correct Arrangement |
2 |
|
| Focused Properly |
2 |
|
| Isolation Streak | ||
| Appropriate initial inoculum | 2 | |
| Isolated colonies | 2 | |
| Correct technique or quadrants | 2 | |
| No contamination | 2 | |
| Correct descriptions | 2 | |
| Organism | Total Points |