◈ Oracle Prep Sign Up Free

A-LevelBiologyCell membranes and transport9700/12 · Oct/Nov 2019 · Q181 Mark

The photomicrograph shows the appearance of onion epidermal cells after they have been soaked in solution X for one hour. [Figure 18.1]

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.

Aair

Bcytoplasm

Csolution X

Dwater

✓ Correct answer

C: solution X

Practise more questions on this topic

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

Sign up free →

About this question

Topic: Cell membranes and transport, A-Level Biology (syllabus 9700). Multiple choice, 1 mark.
Source: A-Level Biology, Oct/Nov 2019 Paper 1 Variant 2, question 18.

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 membranes and transportFeb/Mar 20181m

Which type of bond in phospholipids has a role in increasing the fluidity of cell surface membranes?

Cell membranes and transportFeb/Mar 20181m

Which of these substances can pass directly through cell surface membranes without using a carrier protein or a chann…

Cell membranes and transportFeb/Mar 20181m

Companion cells use ATP to move hydrogen ions out of the cell and co-transporter proteins to allow hydrogen ions to r…

Selection and evolutionFeb/Mar 20177m

The Hardy-Weinberg principle may be used to calculate allele and genotype frequencies for a gene, within a population…

Biodiversity and conservationFeb/Mar 201715m

Section B Answer one question. (a) Explain what is meant by the terms ecosystem and niche.

Genetic technologyFeb/Mar 201715m

Section B Answer one question. (a) Describe the principles of the polymerase chain reaction (PCR).

← Browse all past-paper questions