DP Biology (last assessment 2024)

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Question 21N.2.SL.TZ0.1a.i

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Date November 2021 Marks available [Maximum mark: 1] Reference code 21N.2.SL.TZ0.1a.i
Level SL Paper 2 Time zone TZ0
Command term Identify Question number a.i Adapted from N/A
a.i.
[Maximum mark: 1]
21N.2.SL.TZ0.1a.i

The incidence of white syndrome, an infectious disease of coral, was investigated in a six-year study on Australia’s Great Barrier Reef. The map shows disease conditions on coral reefs at six study sites.

[Source: adapted from Bruno, J.F., Selig, E.R., Casey, K.S., Page, C.A., Willis, B.L., Harvell, C.D., Sweatman,
H. and Melendy, A.M., 2007. PLOS Biology, [e-journal] 5(6), e124. https://doi.org/10.1371/journal.pbio.0050124.]

(a.i)

Identify the site with the highest incidence of diseased colonies.

[1]

Markscheme

Capricorn and Bunkers group;

Examiners report

In general, the data analysis question was well attempted by the majority of students. In 1a almost all were able to correctly name the Capricorn and Bunkers Group.

Syllabus sections