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2.3 Plant tissues, organs and systems

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Question 8

A leafy plum shoot is joined to the top of a rooted stem. Once the join has formed, tests show that the xylem is continuous across the join but the phloem is not. The plant is kept in the light for several hours.

Which sample would be expected to contain the highest concentration of dissolved sugars?

[1]
A

Phloem just below the join

B

Xylem just below the join

C

Xylem just above the join

D

Phloem just above the join

Markscheme

2.3 Plant tissues, organs and systems Questions

  1. GCSE
  2. /Biology
  3. /2.3 Plant tissues, organs and systems

74 exam-style questions on AQA GCSE Biology 2.3 Plant tissues, organs and systems, covering 2.3.1 Plant tissues and 2.3.2 Plant organ system. Each one has a worked solution and a mark scheme showing where the marks go.

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