| 2018 Secondary 4 Combined Science (Biology) Prelims – Admiralty Prelims · Answer availability not stated | Admiralty | www.testpapersfree.com Paper listing |
| 2018 Secondary 4 Combined Science (Biology) Prelims – Bedok South Prelims · Answer availability not stated | Bedok South | www.testpapersfree.com Paper listing |
| 2018 Secondary 4 Combined Science (Biology) Prelims – Fajar Prelims · Answer availability not stated | Fajar | www.testpapersfree.com Paper listing |
| 2018 Secondary 4 Combined Science (Biology) Prelims – Geylang Methodist Prelims · Answer availability not stated | Geylang Methodist | www.testpapersfree.com Paper listing |
| 2018 Secondary 4 Combined Science (Biology) Prelims – Kranji Prelims · Answer availability not stated | Kranji | www.testpapersfree.com Paper listing |
| 2018 Secondary 4 Combined Science (Biology) Compilation – Multiple schools / compilation Compilation · Answer availability not stated | Multiple schools / compilation | smiletutor.sg Compilation |
| 2018 Secondary 4 Combined Science (Biology) Prelims – North Vista Prelims · Answer availability not stated | North Vista | www.testpapersfree.com Paper listing |
| 2018 Secondary 4 Combined Science (Biology) Prelims – Regent Prelims · Answer availability not stated | Regent | www.testpapersfree.com Paper listing |
| 2018 Secondary 4 Combined Science (Biology) Prelims – St Josephs Prelims · Answer availability not stated | St Josephs | www.testpapersfree.com Paper listing |
| 2018 Secondary 4 Combined Science (Biology) Prelims – Woodlands Prelims · Answer availability not stated | Woodlands | www.testpapersfree.com Paper listing |
| 2018 Secondary 4 Combined Science (Chemistry) SA2 / Prelim Paper / End of Year Exam Paper – Assumption English SA2 / Prelim Paper / End of Year Exam Paper · Answer availability not stated | Assumption English | secondaryexampapers.com Questions and answers |
| 2018 Secondary 4 Combined Science (Chemistry) Prelims – Bedok Green Prelims · Answer availability not stated | Bedok Green | www.testpapersfree.com Paper listing |
| 2018 Secondary 4 Combined Science (Chemistry) SA2 / Prelim Paper / End of Year Exam Paper – Bedok Green Secondary SA2 / Prelim Paper / End of Year Exam Paper · Answer availability not stated | Bedok Green Secondary | secondaryexampapers.com Questions and answers |
| 2018 Secondary 4 Combined Science (Chemistry) Prelims – Bedok South Prelims · Answer availability not stated | Bedok South | www.testpapersfree.com Paper listing |
| 2018 Secondary 4 Combined Science (Chemistry) SA2 / Prelim Paper / End of Year Exam Paper – Bedok South Secondary SA2 / Prelim Paper / End of Year Exam Paper · Answer availability not stated | Bedok South Secondary | secondaryexampapers.com Questions and answers |
| 2018 Secondary 4 Combined Science (Chemistry) Prelims – Bendemeer Prelims · Answer availability not stated | Bendemeer | www.testpapersfree.com Paper listing |
| 2018 Secondary 4 Combined Science (Chemistry) SA2 / Prelim Paper / End of Year Exam Paper – Bendemeer Secondary SA2 / Prelim Paper / End of Year Exam Paper · Answer availability not stated | Bendemeer Secondary | secondaryexampapers.com Questions and answers |
| 2018 Secondary 4 Combined Science (Chemistry) Prelims – Bukit Batok Prelims · Answer availability not stated | Bukit Batok | www.testpapersfree.com Paper listing |
| 2018 Secondary 4 Combined Science (Chemistry) SA2 / Prelim Paper / End of Year Exam Paper – Bukit Batok Secondary SA2 / Prelim Paper / End of Year Exam Paper · Answer availability not stated | Bukit Batok Secondary | secondaryexampapers.com Questions and answers |
| 2018 Secondary 4 Combined Science (Chemistry) Prelims – CHIJ Katong Prelims · Answer availability not stated | CHIJ Katong | www.testpapersfree.com Paper listing |
