A-LevelBiologyCell structure9700/12 · May/June 2020 · Q21 Mark
The electron micrograph shows a type of virus at a magnification of ×30 000. [Figure 2.1] What is the length of the virus?
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.
A2.2 x 10³ nm
B2.2 × 10² nm
C2.2 x 10¹ nm
D2.2 × 10⁰ nm
✓ Correct answer
A: 2.2 x 10³ nm
Practise more questions on this topic
Oracle Prep sorts past-paper questions by topic, so you can drill Cell structure and see which topics are most likely to come up next.
Sign up free →