A-LevelBiologyCell structure9700/12 · Oct/Nov 2016 · Q21 Mark

This electron micrograph of a section of a leaf has a magnification of × 210. What is the actual length along the line X-Y? [Figure 2.1]

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.

A2.43 µm

B24.3 µm

C243.0 µm

D2430 µm

✓ Correct answer

C: 243.0 µm

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.

Topic: Cell structure, A-Level Biology (syllabus 9700). Multiple choice, 1 mark.
Source: A-Level Biology, Oct/Nov 2016 Paper 1 Variant 2, question 2.

Questions and mark schemes are from past examination papers and remain the copyright of the exam board. How Oracle Prep builds its content

The diameter of a red blood cell in a diagram was measured as 2.5 cm. The actual diameter of the red blood cell was 7…

Which structures are found in both chloroplasts and mitochondria? 1 70S ribosomes 2 80S ribosomes 3 circular DNA

Which row correctly shows the presence of a cell structure in typical plant cells and in typical prokaryotic cells?

In an investigation to find the water potential of onion tissue, some students used epidermal tissue from the storage…

Phloem sap is transported from sources to sinks in phloem sieve tubes. Each sieve tube is constructed from phloem sie…

When a section of lung tissue is viewed using a light microscope, it is possible to identify the trachea, the bronchu…