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Edexcel A-Level Biology A2 5.3 Light Dependent Reactions Questions

Locate events on the thylakoid membrane, trace electrons and protons in order and distinguish cyclic from non-cyclic products and photosystems.

Syllabus
First assessment 2019
Course
Biology YBI11
Level
A2

Exam points

  • locate chlorophyll, ATP synthase, photolysis and proton accumulation on thylakoids
  • explain how light excites electrons and drives photolysis, ATP and reduced NADP
  • compare cyclic and non-cyclic flow through photosystems, products and electron return

Edexcel A-Level Biology A2 5.3 Light Dependent Reactions Questions question 1

[Maximum number: 1]

The light-independent reactions of photosynthesis use the products of the light-dependent reactions to produce simple sugars.

Which row of the table shows the products of the light-dependent reactions that are used in the light-independent reactions?

ATP produced by

NADP

cyclic photophosphorylation

oxidised

cyclic photophosphorylation

reduced

non-cyclic photophosphorylation

oxidised

non-cyclic photophosphorylation

reduced

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