| 2018 Secondary 4 Combined Science (Biology) Prelims · Answer availability not stated | Kranji | www.testpapersfree.com Paper listing |
| 2018 Secondary 4 Combined Science (Biology) Compilation · Answer availability not stated | Multiple schools / compilation | smiletutor.sg Compilation |
| 2018 Secondary 4 Combined Science (Biology) Prelims · Answer availability not stated | North Vista | www.testpapersfree.com Paper listing |
| 2018 Secondary 4 Combined Science (Biology) Prelims · Answer availability not stated | Regent | www.testpapersfree.com Paper listing |
| 2018 Secondary 4 Combined Science (Biology) Prelims · Answer availability not stated | St Josephs | www.testpapersfree.com Paper listing |
| 2018 Secondary 4 Combined Science (Biology) Prelims · Answer availability not stated | Woodlands | www.testpapersfree.com Paper listing |
| 2016 Secondary 4 Combined Science (Biology) Prelims · Answer availability not stated | Anglo Chinese | www.testpapersfree.com Paper listing |
| 2016 Secondary 4 Combined Science (Biology) Prelims · Answer availability not stated | Catholic High | www.testpapersfree.com Paper listing |
| 2016 Secondary 4 Combined Science (Biology) Prelims · Answer availability not stated | CHIJ Katong | www.testpapersfree.com Paper listing |
| 2016 Secondary 4 Combined Science (Biology) Prelims · Answer availability not stated | Chung Cheng | www.testpapersfree.com Paper listing |
| 2016 Secondary 4 Combined Science (Biology) Prelims · Answer availability not stated | Gan Eng Seng | www.testpapersfree.com Paper listing |
| 2016 Secondary 4 Combined Science (Biology) Prelims · Answer availability not stated | Hai Sing | www.testpapersfree.com Paper listing |
| 2016 Secondary 4 Combined Science (Biology) Prelims · Answer availability not stated | Kuo Chuan | www.testpapersfree.com Paper listing |
| 2016 Secondary 4 Combined Science (Biology) Prelims · Answer availability not stated | Maris Stella | www.testpapersfree.com Paper listing |
| 2016 Secondary 4 Combined Science (Biology) Prelims · Answer availability not stated | Methodist Girls | www.testpapersfree.com Paper listing |
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| 2016 Secondary 4 Combined Science (Biology) Prelims · Answer availability not stated | Temasek | www.testpapersfree.com Paper listing |
| 2016 Secondary 4 Combined Science (Biology) Prelims · Answer availability not stated | Zhonghua | www.testpapersfree.com Paper listing |
| 2014 Secondary 4 Combined Science (Biology) Prelims · Answer availability not stated | Anderson | www.testpapersfree.com Paper listing |
| 2014 Secondary 4 Combined Science (Biology) Prelims · Answer availability not stated | Anglo Chinese | www.testpapersfree.com Paper listing |