IB Biology SL C1.1.3 Anabolic and Catabolic Reactions Questions

Practise IB Biology SL 1.1.3 by classifying reactions as anabolic or catabolic and distinguishing hydrolysis, condensation and oxidation examples.

Exam points

Classify reactions as anabolic or catabolic by deciding whether complex molecules are built or broken down.
Identify condensation as an anabolic synthesis reaction and hydrolysis or oxidation as catabolic breakdown/energy-release reactions.

[Maximum number: 1]

The diagram shows some of the metabolic processes taking place in a plant cell.

With reference to the diagram, identify one example of catabolism.

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a	(letter X) breakdown of monosaccharides/respiration;
b	(letter Y) hydrolysis/photolysis in photosynthesis/oxidation of water;