◈ Oracle PrepSign Up Free
O-LevelBiologyTransport in Humans5090/11 · Oct/Nov 2022 · Q201 Mark

How do the concentrations of oxygen and urea in the renal artery compare to their concentrations in the renal vein?

Aoxygen in renal artery: higher, urea in renal artery: higher
Boxygen in renal artery: higher, urea in renal artery: lower
Coxygen in renal artery: lower, urea in renal artery: higher
Doxygen in renal artery: lower, urea in renal artery: lower

✓ Correct answer

A: oxygen in renal artery: higher, urea in renal artery: higher

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 2022 Paper 1 Variant 1, question 20.

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

Transport in HumansMay/June 201510m

Table 2.1 shows the volume of blood supplied to parts of the body at rest and during strenuous exercise. Table 2.1 vo…

Transport in HumansMay/June 20159m

Table 5.1 shows the mean daily water intake and loss by a person. Table 5.1 water intake / dm³ wate…

Transport in HumansMay/June 201510m

Syphilis and HIV are both spread by sexual contact.

Transport in PlantsMay/June 20161m

What is the main cause of water moving up to the leaves in xylem vessels?

RespirationMay/June 20161m

Which of these processes rely on respiration? 1 movement of water into cells 2 muscle contraction 3 protein synthesis

Coordination & ResponseMay/June 20161m

How do the biceps and triceps muscles cause movement at the elbow joint?

← Browse all past-paper questions

© 2026 Oracle Prep