Leaving Cert Biology: Photosynthesis & Respiration questions

How cells capture and release energy: photosynthesis, aerobic and anaerobic respiration, and ATP.

35 past Biology questions on this topic, spanning 2015 to 2025, grouped by year. Every question opens on the exact page of the official paper, with its marking scheme beside it.

Photosynthesis & Respiration question pack

Every past question on this topic, taken from the official exam papers and set out for printing. Free, no sign-up.

Try a random question now →

0 of 0 doneSaved on this device.

2025 · 2 questions

Paper 1 · Q1360 marks

metabolism, enzymes, chloroplast

2024 · 1 question

Q1360 marks

metabolism

2023 · 3 questions

Q930 marks

fermentation

Q1260 marks

metabolism, enzymes

2022 · 3 questions

Q420 marks

cell biology, mitochondria

Q930 marks

experimental investigation

Q1460 marks

cell division, mitosis

2021 · 1 question

Q1360 marks

metabolism

Show 6 earlier years (2015 to 2020)

2020 · 1 question

Q1160 marks

leaf structure

2019 · 2 questions

Q830 marks

fermentation, yeast, experiments

Q1260 marks

metabolism, enzymes

2018 · 2 questions

Q830 marks

experiments

Q1260 marks

enzymes

2017 · 2 questions

Q520 marks

fermentation

Q1360 marks

horticulture, mitosis, cell cycle

2016 · 1 question

Q1160 marks

metabolism

2015 · 1 question

Q1260 marks

genetic modification, yeast

Photosynthesis & Respiration question pack

Every past question on this topic, taken from the official exam papers and set out for printing. Free, no sign-up.

Try a random question now →

0 of 0 doneSaved on this device.

2025 · 1 question

Q1360 marks

metabolism

2024 · 1 question

Q1260 marks

metabolism

2023 · 2 questions

2022 · 2 questions

Q220 marks

cell biology

Q1460 marks

enzymes, osmosis

2021 · 1 question

Q1660 marks

human biology, reproduction

Show 6 earlier years (2015 to 2020)

2020 · 2 questions

Q1360 marks

plant biology, monocots and dicots, plant tissues

Q1460 marks

fermentation, plant cell, fungi

2019 · 2 questions

Q730 marks

experimentation

Q1360 marks

enzymes, diffusion, osmosis

2018 · 1 question

Q1360 marks

fermentation

2017 · 2 questions

Q830 marks

fermentation, yeast, experimentation

Q1460 marks

metabolism, tissue culture

2016 · 1 question

Q1360 marks

metabolism

2015 · 1 question

Q620 marks

plant biology

💡
Practising a paper?Open a real past question and the ExamAI tutor works through it with you. Free, no account needed.
Try a question

Other Biology topics

← All Biology past papers

Questions come from the official State Examinations Commission papers. Every link opens the original PDF on examinations.ie. The topic packs reproduce the same questions unchanged, with the year, paper and question number printed on each one.