A student extracted fluid from a plant cell vacuole and carried out two biochemical tests to determine the types of carbohydrates present. The procedures and results are shown in the diagram below.

What do the results of Test 1 and Test 2 confirm about the carbohydrates present in the cell extract?
Test 1 confirms: Reducing sugar; Test 2 confirms: Glycogen
Test 1 confirms: Non-reducing sugar; Test 2 confirms: Starch
Test 1 confirms: Non-reducing sugar; Test 2 confirms: Glycogen
Test 1 confirms: Reducing sugar; Test 2 confirms: Starch
Practise OCR GCSE Biology What happens in cells (and what do cells need)? with exam-style questions for Foundation and Higher tier. 96 questions, matched to the OCR GCSE Biology (J247) specification and written in the written papers style. Every question includes a full worked solution and mark scheme, so you can see where marks are awarded rather than just whether you got the answer right.