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2.3 Plant tissues, organs and systems

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Question 2
F

A student used a light microscope to look at a thin section of a leaf. The figure shows the drawing she made of the palisade mesophyll. The magnification of her drawing is x900.

Figure: A student's drawing of part of the palisade mesophyll of a leaf, seen using a light microscope

image

a.

Calculate the real length of the palisade cell. Give your answer in micrometres.

[3]
b.

The palisade cells are long columns packed closely together at the top of the leaf. Explain how this increases the rate of photosynthesis in the leaf.

[3]
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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