Edexcel Biology B ( A level ) QP 2 SUMMER JUNE 2026 PREDICTED PAPER

Summer 2026 Predicted




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1 The diagram shows the structure of two polysaccharides found in cells.


Polysaccharide P




Polysaccharide Q




The Table below shows where these polysaccharides are found.
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Polysaccharide Main location Function

P Plant cells Energy storage


Q Animal cells Energy storage


(a) Name polysaccharides P and Q.

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(b) Using the diagram and table, explain why polysaccharide Q is more

suitable for rapid energy release than polysaccharide P.

(3)

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(c) Both polysaccharides are composed of α-glucose monomers joined by

glycosidic bonds.


(i) Name the type of reaction that joins glucose monomers together.




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(1)
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(ii) State the specific types of glycosidic bonds found in polysaccharide Q.

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