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1.4 Photosynthesis

1.4 Photosynthesis

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Question 1

In the light-dependent stage of photosynthesis, non-cyclic photophosphorylation operates via an electron transport chain located in the thylakoid membrane. Which two substances serve as the initial electron donor and the terminal electron acceptor for this pathway?

A

Carbon dioxide and RuBP\text{RuBP}RuBP

B

Water and NADP+\text{NADP}^+NADP+

C

Oxygen and NADPH\text{NADPH}NADPH

D

Reduced NADP\text{NADP}NADP (NADPH\text{NADPH}NADPH) and Photosystem I

Markscheme

1.4 Photosynthesis Questions

  1. GCSE
  2. /Biology
  3. /1.4 Photosynthesis

12 exam-style questions on OCR GCSE Biology 1.4 Photosynthesis, covering 1.4.1 Photosynthesisers as biomass producers, 1.4.2 Factors affecting the rate of photosynthesis, and 1.4.3 Limiting factors in photosynthesis. Each one has a worked solution and a mark scheme showing where the marks go.

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