| Answer | Crossword Clue |
|---|---|
| SOIL | pH test specimen |
| LITMUS | .. test: pH indicator |
| GRE | Ph.D. seeker's test |
| GRE | Ph.D. hopeful's test |
| GRE | Test for Ph.D. seekers |
| GRE | Aspiring Ph.D.'s test |
| GRE | Test for Ph.D. wannabes |
| GRE | Future Ph.D.'s test |
| GRE | Test for Ph.D. entrants |
| GRE | Test for a future Ph.D. |
| GRE | Test for future Ph.D.'s |
