O-LevelBiologyGenetics & Variation5090/11 · May/June 2017 · Q371 Mark

Which statements about genes and chromosomes are correct?

This question uses a diagram from the original paper, which isn't shown here. Open the full paper from the past papers archive to see it.

Achromosome carries a molecule of DNA: true, A gene is a section of DNA: true

Bchromosome carries a molecule of DNA: true, A gene is a section of DNA: false

Cchromosome carries a molecule of DNA: false, A gene is a section of DNA: true

Dchromosome carries a molecule of DNA: false, A gene is a section of DNA: false

✓ Correct answer

A: chromosome carries a molecule of DNA: true, A gene is a section of DNA: true

Oracle Prep sorts past-paper questions by topic, so you can drill Genetics & Variation and see which topics are most likely to come up next.

Topic: Genetics & Variation, O-Level Biology (syllabus 5090). Multiple choice, 1 mark.
Source: O-Level Biology, May/June 2017 Paper 1 Variant 1, question 37.

Questions and mark schemes are from past examination papers and remain the copyright of the exam board. How Oracle Prep builds its content