IB Biology HL C1.3.14 Hl Thylakoids As Light Dependent Systems Questions

Practise IB Biology HL 1.3.14 by applying thylakoids as light-dependent systems concepts to exam questions.

Syllabus
First assessment 2025
Course
Biology HL
Level
HL

Exam points

  • identify Photosystem II, Photosystem I and the thylakoid space in a light-dependent-reaction diagram
  • distinguish the order of electron movement from Photosystem II to Photosystem I
  • use labelled thylakoid diagrams to locate the light-dependent reaction structures and compartments

IB Biology HL C1.3.14 Hl Thylakoids As Light Dependent Systems Questions question 1

[Maximum number: 1]

The diagram shows a section through a thylakoid. Electrons move from X to Y .

Figure for Question IB Biology HL C1.3.14 Hl Thylakoids As Light Dependent Systems Questions question 1 — IB Biology HL

What do the letters X, Y and Z represent?

X

Y

Z

photosystem I

photosystem II

thylakoid space

photosystem II

photosystem I

thylakoid space

ATP synthase

photosystem II

stroma

photosystem II

ATP synthase

stroma

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