DP Biology (first assessment 2025)

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Question 22N.2.HL.TZ0.k

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Date November 2022 Marks available [Maximum mark: 2] Reference code 22N.2.HL.TZ0.k
Level HL Paper 2 Time zone TZ0
Command term Compare and contrast Question number k Adapted from N/A
k.
[Maximum mark: 2]
22N.2.HL.TZ0.k

Compare and contrast the results for trials 2 and 9.

[2]

Markscheme

        Similarity between 2 and 9:

  1. winter path length longer (than spring and summer) in both (trials 2 and 9/from entrances B and C);

    Contrast between 2 and 9    :

  2. path length longer in trial 2 than 9/from entrance B than entrance C (in all seasons);
    OR
    error/bar/standard deviation/variation in data greater in trial 2 than 9/from entrance B than entrance C (in all seasons);
Examiners report

As in part (e), a similarity and a difference were required. When analysing data, candidates should try to keep in mind whether aspects are of interest and lead to conclusions significant conclusions or not. Here the two interesting findings were that the path length was highest in winter in both trials and that the shrews' performance between trial 2 and 90 had improved in all seasons, so they found the food with a shorter path length.

Syllabus sections