Skip to main content
O-LevelBiologyTransport in Humans5090/12 · Oct/Nov 2021 · Q141 Mark

Sickle cell anaemia is an inherited condition which causes abnormal red blood cells. Which health problem will be caused by this change in the red blood cells?

ABlood will not be able to clot when bleeding occurs.
BBlood cells will not be able to form antibodies when needed.
CGlucose levels in the blood plasma will become too low.
DBlood will not be able to carry the normal amount of oxygen.

✓ Correct answer

D: Blood will not be able to carry the normal amount of oxygen.

Practise more questions on this topic

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

Sign up free →

About this question

Topic
Transport in Humans, O-Level Biology (syllabus 5090). Multiple choice, 1 mark.
Source
O-Level Biology, Oct/Nov 2021 Paper 1 Variant 2, question 14.

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

© 2026 Oracle Prep