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CAIE IGCSE Biology 6.1.1 Definition of Photosynthesis

Practise describing photosynthesis as plants using light energy to synthesise carbohydrates from carbon dioxide and water, then trace carbon into glucose or sucrose.

Syllabus
2026–2028
Course
Biology 0610

Exam points

  • state that photosynthesis synthesises carbohydrates such as glucose
  • identify carbon dioxide and water as raw materials and light as the energy source
  • trace carbon from atmospheric carbon dioxide into glucose and then sucrose for translocation

6.1.1—Photosynthesis as the process by which question 1

[Maximum number: 1]

Which substance is used up in photosynthesis?

A

chlorophyll

B

light

C

oxygen

D

water

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