DP Biology (first assessment 2025)

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Question 22M.1A.SL.TZ2.10

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Date May 2022 Marks available [Maximum mark: 1] Reference code 22M.1A.SL.TZ2.10
Level SL Paper 1A Time zone TZ2
Command term Question number 10 Adapted from N/A
10.
[Maximum mark: 1]
22M.1A.SL.TZ2.10

Where can the entire genome of an organism be found?

A. In the DNA present in plasmids of a bacterial cell

B. In the DNA present in the nucleus of a eukaryotic cell

C. In the DNA present in the nucleus and chloroplasts of a plant cell

D. In the DNA present in the nucleus and mitochondria of an animal cell

[1]

Markscheme

D

Examiners report

This answer was not well answered by the candidates and did not discriminate well. Most candidates incorrectly answered B failing to include the mitochondrial DNA in the genome.

Syllabus sections