◈ Oracle PrepSign Up Free
O-LevelBiologyGenetics & Variation5090/11 · Oct/Nov 2019 · Q371 Mark

Which statements about DNA are correct? 1 An allele carries molecules of DNA. 2 A chromosome includes a molecule of DNA. 3 A molecule of DNA is divided into genes.

A1, 2 and 3
B1 and 2 only
C1 and 3 only
D2 and 3 only

✓ Correct answer

D: 2 and 3 only

Practise more questions on this topic

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.

Sign up free →

About this question

Topic
Genetics & Variation, O-Level Biology (syllabus 5090). Multiple choice, 1 mark.
Source
O-Level Biology, Oct/Nov 2019 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

Related Biology questions

Genetics & VariationMay/June 20121m

In fruit flies, the allele for an ebony coloured body is recessive to the allele for a grey coloured body. In an inve…

Genetics & VariationMay/June 20121m

Which statement about dominant and recessive alleles is not correct?

Genetics & VariationMay/June 20131m

The genotype for the height of an organism is written as Tt. What conclusion may be drawn?

Cell BiologyMay/June 20131m

Which structures are present in a root hair cell? [Table showing nucleus and chloroplast columns with A, B, C, D row…

Cell BiologyMay/June 20131m

What is an example of active transport?

Plant NutritionMay/June 20131m

What is the effect of a lack of nitrate ions on plant leaves?

← Browse all past-paper questions

© 2026 Oracle Prep