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4.1 Photosynthesis

4.1 Photosynthesis

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Question 21
F

Oxygen made in a mesophyll cell during photosynthesis leaves the plant. Which route does most of this oxygen take?

[1]
A

Into the xylem in the veins, then out of the root hairs into the soil

B

Into the phloem in the veins, then out of the leaf through the stomata

C

Out of the chloroplast, then out of the leaf through the stomata

D

Out of the chloroplast, then out through the waxy cuticle of the leaf

Markscheme

4.1 Photosynthesis Questions

  1. GCSE
  2. /Biology
  3. /4.1 Photosynthesis

54 exam-style questions on AQA GCSE Biology 4.1 Photosynthesis, covering 4.1.1 Photosynthetic reaction, 4.1.2 Rate of photosynthesis, and 4.1.3 Uses of glucose from photosynthesis. Each one has a worked solution and a mark scheme showing where the marks go.

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