CAIE A-Level Biology AS 7.2.6 Assimilate Transport in Phloem Questions

Explain assimilate transport in phloem from sources to sinks using evidence from each question and mark scheme.

Syllabus
2028–2030
Course
Biology 9700
Level
AS

Exam points

  • Explain assimilate transport in phloem from sources to sinks.

CAIE A-Level Biology AS 7.2.6 Assimilate Transport in Phloem Questions question 1

[Maximum number: 1]

Which row correctly identifies sinks for sucrose transported by mass flow in plants?

root storage organ

growing leaf bud

growing shoot tip

key

✓ = sink

x=\boldsymbol{x}= not a sink

✓

✓

✓

✓

χ\boldsymbol{\chi}

✓

x

✓

χ\boldsymbol{\chi}

x

χ\boldsymbol{\chi}

✓

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