DP Biology (first assessment 2025)

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Question 23M.2.SL.TZ2.a

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Date May 2023 Marks available [Maximum mark: 2] Reference code 23M.2.SL.TZ2.a
Level SL Paper 2 Time zone TZ2
Command term Describe Question number a Adapted from N/A
a.
[Maximum mark: 2]
23M.2.SL.TZ2.a

Using the data in the stacked column graph, describe the features that characterize the B2 enterotype.

[2]

Markscheme
  1. nearly half is Bacteroides / more Bacteroides (than other enterotypes);
  2. few Prevotella/fewer Prevotella than in P and R
    OR
    less Faecalibacterium than other enterotypes
    OR
    Ruminococcus is the lowest in B2;
  3. only 40 % other taxa / fewer other taxa (than other enterotypes) / less overall diversity (of taxa);

 

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