◈ Oracle PrepSign Up Free
O-LevelBiologyCell Biology5090/11 · May/June 2021 · Q31 Mark

Which statements about active transport are correct? 1 Ions move from a region of high concentration to a region of low concentration. 2 Ions move across the cell membrane. 3 Energy released during respiration is used to move ions into or out of a cell.

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 Cell Biology and see which topics are most likely to come up next.

Sign up free →

About this question

Topic
Cell Biology, O-Level Biology (syllabus 5090). Multiple choice, 1 mark.
Source
O-Level Biology, May/June 2021 Paper 1 Variant 1, question 3.

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

Cell BiologyMay/June 20151m

The cell wall of a plant cell is removed using an enzyme. What would happen if this cell is then placed in distilled …

Cell BiologyMay/June 20151m

Which processes are responsible for the uptake of ions from the soil by a plant and the uptake of glucose into the vi…

Cell BiologyMay/June 20151m

The element nitrogen is needed to form

Ecology & EnvironmentMay/June 20171m

Why does an ecosystem need to be exposed regularly to sunlight?

Genetics & VariationMay/June 20171m

Which plants are most likely to adapt successfully to a climate change in their environment?

Genetics & VariationMay/June 20171m

What is the path taken by sperm cells during ejaculation from the male reproductive system?

← Browse all past-paper questions

© 2026 Oracle Prep