0610/51·BiologyIGCSEEXAM MODE

Paper 5 Practical Test

0610/51 · October/November 2025

EXAM CONDITIONS

Your bench has been set out for 0610/51.

Everything on this paper is what the confidential instructions told the technician to put in front of you — the same solutions, the same glassware, labelled exactly as the candidate sees them. You are not told what B, C, D, E or F are. That's the point.

3 tasks · 17 questions · 40 marks

Question 1PRACTICAL

Dye movement in celery stalks vs temperature

Compare how far a coloured dye travels up celery stalks standing in ice-cold and warm water baths, then measure an insect photograph and draw a celery leaf.

[26]
0/12 answered
Question 2PRACTICAL

Height and vital capacity

Name the protein-test reagent, then plot and interpret a printed data set relating a person's height to their lung vital capacity.

[8]
0/4 answered
Question 3WRITTEN ONLY

Planning: pH and amylase activity

Written only — plan an investigation into the effect of pH on amylase activity, using iodine solution.

[6]
0/1 answered