OFFICIAL SUMMER 2025

PEARSON EDEXCEL

Pearson Edexcel GCE

Advanced Subsidary In Biology

B (8BI0 01)

Paper 1: Core Cellular Biology and Microbiology

MERGED QUESTION PAPER + MARK SCHEME

Some questions must be answered with a cross in a box . If you change your mind about an

answer, put a line through the box and then mark your new answer with a cross .

1 Some carbohydrates are composed of three monosaccharides. These are

called trisaccharides.

Raffinose is a trisaccharide composed of glu...
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