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Photosynthesis · IB Biology HL

BiologyTopic C1.3P2

Photosynthesis — IB Biology HL practice

Syllabus point C1.3 on Biology HL. Revise the topic, then upload your response for criterion-based marking — band-by-band feedback against official IB assessment criteria, not a generic AI grade.

Practice task

Biology — P2: Photosynthesis Submit your work on "Photosynthesis" for IB criterion-based examiner feedback. IB Biology HL — data response and extended response against markbands. Paste your response below (essay extract, exhibition commentary, comparative analysis, reflection, etc.) or upload a photo of handwritten work.

Upload your answer for marking →

IB Biology HL — data response and extended response against markbands.

Frequently asked questions

How do I practise IB Biology Photosynthesis?
Revise the free lesson on Photosynthesis (C1.3), then submit your response for criterion-based marking. IB examiners use markbands — our /mark tool scores band-by-band against the official descriptors.
What assessment criteria apply to Photosynthesis?
For IB Biology HL, marking uses: IB Biology HL — data response and extended response against markbands.. Upload your work to see where your response sits in each band.
Is Photosynthesis (C1.3) free on MarkScheme?
Criterion practice marking for Photosynthesis is free on MarkScheme.