| 1 | (D) | 2 | (C) | 3 | (A) | 4 | (B) | 5 | (D) |
| 6 | (A) | 7 | (A) | 8 | (A) | 9 | (B) | 10 | (B) |
| 11 | (B) | 12 | (B) | 13 | (B) | 14 | (C) | 15 | (B) |
| 16 | (B) | 17 | (A) | 18 | (A) | 19 | (B) | 20 | (C) |
| 21 | (A) | 22 | (D) | 23 | (A) | 24 | (A) | 25 | (C) |
| 26 | (D) | 27 | (A) | 28 | (B) | 29 | (C) | 30 | (A) |
| 31 | (D) | 32 | (B) | 33 | (B) | 34 | (D) | 35 | (C) |
| 1 | A | 2 | C | 3 | A | 4 | C | 5 | D |
| 6 | A | 7 | A | 8 | D | 9 | B | 10 | C |
| 11 | C | 12 | A | 13 | B | 14 | D | 15 | C |
| 16 | A | 17 | C | 18 | A | 19 | B | 20 | D |
| 21 | D | 22 | C | 23 | C | 24 | C | 25 | D |
| 26 | D | 27 | D | 28 | D | 29 | A | 30 | C |
| 31 | D | 32 | A | 33 | B | 34 | A | 35 | D |
| 1 | A | 2 | D | 3 | B | 4 | D | 5 | C |
| 6 | A | 7 | D | 8 | D | 9 | A | 10 | C |
| 11 | A | 12 | C | 13 | C | 14 | D | 15 | A |
| 16 | D | 17 | A | 18 | D | 19 | D | 20 | B |
| 21 | D | 22 | B | 23 | C | 24 | C | 25 | A |
| 26 | A | 27 | B | 28 | B | 29 | D | 30 | B |
| 31 | A | 32 | D | 33 | A | 34 | B | 35 | C |
CREST Science Olympiad (CSO) Answer Keys for the Academic Year 2023-24.