Leaving Cert Biology 2022

The 2022 Leaving Cert Biology exam paper and official marking scheme, free below as direct PDF links from the State Examinations Commission archive.

Higher Level

Exam PaperMarking Scheme
What's in the 2022 Higher Level paper?
  • Q1 proteins, biochemistry · 20 marks
  • Q2 ecology, definitions · 20 marks
  • Q3 genetics, chromosomes, mutations · 20 marks
  • Q4 cell biology, respiration, mitochondria · 20 marks
  • Q5 general biology, true or false · 20 marks
  • Q6 digestion, enzymes, lipids · 20 marks
  • Q7 microbiology, viruses, immunity · 20 marks
  • Q8 cell biology, microscopy · 30 marks
  • Q9 photosynthesis, experimental investigation · 30 marks
  • Q10 plant biology, growth regulators · 30 marks
  • Q11 microbiology, bacteria, biotechnology · 60 marks
  • Q12 ecology, carbon cycle, pollution · 60 marks
  • Q13 genetics, dna, protein synthesis · 60 marks
  • Q14 photosynthesis, cell division, mitosis · 60 marks
  • Q15 excretion, kidney, plant biology · 60 marks
  • Q16 nervous system, human body, musculoskeletal system · 60 marks
  • Q17 evolution, reproduction, circulatory system · 60 marks

Ordinary Level

Exam PaperMarking Scheme
What's in the 2022 Ordinary Level paper?
  • Q1 nutrition, lipids, food tests · 20 marks
  • Q2 respiration, cell biology · 20 marks
  • Q3 fungi, classification, saprophytic nutrition · 20 marks
  • Q4 skin, homeostasis, thermoregulation · 20 marks
  • Q5 dna profiling, genetics · 20 marks
  • Q6 human biology, true or false · 20 marks
  • Q7 scientific method, experimental design · 20 marks
  • Q8 ecology, fieldwork, quantitative survey · 30 marks
  • Q9 fermentation, microbiology, laboratory skills · 30 marks
  • Q10 germination, plant biology, experimental design · 30 marks
  • Q11 ecology, food webs, pollution · 60 marks
  • Q12 genetics, cell division, cystic fibrosis · 60 marks
  • Q13 respiratory system, breathing, disease · 60 marks
  • Q14 enzymes, photosynthesis, osmosis · 60 marks
  • Q15 plant biology, plant structure, pollination · 60 marks
  • Q16 reproduction, microbiology, musculoskeletal system · 60 marks
  • Q17 nervous system, evolution, circulatory system · 60 marks
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