Question 13
Question 13 of 40
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Older MCQs might not have the typical A, B, C, D choices. They have choices 1, 2, 3, and a combination of them is the answer. Below is the key that maps such combinations to the answer.
A 1, 2 and 3 are correct
B 1 and 2 only are correct
C 2 and 3 only are correct
D 1 only is correct
Topics Tested
3. Enzymes
3.2. Factors that affect enzyme act...

investigate and explain the effects of the following factors on the rate of enzyme-catalysed reactions: • temperature • pH (using buffer solutions) • enzyme concentration • substrate concentration • inhibitor concentration

13. Photosynthesis
13.2. Investigation of limiting fac...

explain the effects of changes in light intensity, carbon dioxide concentration and temperature on the rate of photosynthesis

3. Enzymes
3.1. Mode of action of enzymes

investigate the progress of enzyme-catalysed reactions by measuring rates of formation of products using catalase and rates of disappearance of substrate using amylase