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2.3 Plant tissues, organs and systems

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Question 22
F

The rate of transpiration from a plant rises when the light intensity increases. Which explanation of this is correct?

[1]
A

More stomata open for photosynthesis, so more water vapour diffuses out

B

Light energy evaporates water directly from the surface of the cuticle

C

Photosynthesis uses up water, so more is pulled up through the xylem

D

The guard cells are warmed, so the stomata are held open more widely

Markscheme

2.3 Plant tissues, organs and systems Questions

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

38 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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