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OCS EXAM - CLASS 4 SCIENCE - FOOD AND DIGESTION

Welcome to your OCS (Olympiadtester Certified Student) exam. 

This is an open book exam and you are free to refer to your textbooks and class notes. 

We strongly recommend that you should take this exam only after your concepts of this chapter are clear.

All the best. Please contact us at support@olympiatester.com for any queries or assistance. 

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