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2.3 Plant tissues, organs and systems

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Question 36
F

The stomata of a leaf are open during the day.

a.

Give two substances that move into or out of a leaf through the open stomata during the day.

[2]
b.

Explain why a plant cannot keep its stomata closed all of the time.

[2]
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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