A-LevelBiologyTransport in plants9700/12 · Oct/Nov 2023 · Q261 Mark

Which processes are required for the transfer of assimilates from a source cell into a phloem sieve tube?

Aactive transport, facilitated diffusion and simple diffusion

Bactive transport and exocytosis

Cactive transport and simple diffusion only

Dactive transport only

✓ Correct answer

A: active transport, facilitated diffusion and simple diffusion

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

Topic: Transport in plants, A-Level Biology (syllabus 9700). Multiple choice, 1 mark.
Source: A-Level Biology, Oct/Nov 2023 Paper 1 Variant 2, question 26.

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

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

Which descriptions apply to phloem sieve tube elements and to xylem vessel elements? 1 no cytoplasm 2 no end walls 3…

Some of the parts of a plant root involved in water transport are listed. 1 Casparian strip 2 cell walls of cortex c…

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

Three parts of a chromosome and their functions are listed. part P1 centromere P2 histone proteins P3 telomere functi…

Which statement about the blood flow in the cardiac cycle is correct?