DP Biology (first assessment 2025)

Test builder »

Question EXEX.1B.HL.TZ0.5aii

Select a Test
Date Example questions Example questions Marks available [Maximum mark: 1] Reference code EXEX.1B.HL.TZ0.5aii
Level HL Paper 1B Time zone TZ0
Command term Suggest Question number ii Adapted from N/A
ii.
[Maximum mark: 1]
EXEX.1B.HL.TZ0.5aii
(ii)

Suggest a variable that needs to be kept constant in both groups of mice to ensure reliable results

[1]

Markscheme

same species/age/ body mass of mice
OR
same muscle/ muscle size;

Syllabus sections