Leaving Cert Biology 2015

The 2015 Leaving Cert Biology exam papers 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 2015 Higher Level paper?
  • Q1 carbohydrates, polysaccharides, biomolecules · 20 marks
  • Q2 competition, ecology, quantitative survey, edaphic factors · 20 marks
  • Q3 viruses, classification, obligate parasites · 20 marks
  • Q4 mitosis, meiosis, cell division · 20 marks
  • Q5 osmosis, turgor, food preservation, experiments · 20 marks
  • Q6 skin, thermoregulation, homeostasis · 20 marks
  • Q7 dna isolation, chromosomes, enzymes, experiments · 30 marks
  • Q8 fungi, yeast, leaf yeast, iaa · 30 marks
  • Q9 scientific method, hypothesis, experimental design, controls · 30 marks
  • Q10 genetics, nucleic acids, sex linkage, gametes · 60 marks
  • Q11 nutrition, digestive system, alimentary canal, dentition · 60 marks
  • Q12 photosynthesis, respiration, genetic modification, yeast · 60 marks
  • Q13 ecology, adaptations, pyramid of numbers, conservation · 60 marks
  • Q14 immune system, nervous system, spinal cord, reproduction · 60 marks
  • Q15 seeds, rhizopus, bacteria, microbiology · 60 marks

Ordinary Level

Exam PaperMarking Scheme
What's in the 2015 Ordinary Level paper?
  • Q1 nutrition, biomolecules, food tests · 20 marks
  • Q2 true or false, tissue culture, cancer · 20 marks
  • Q3 flower structure, reproduction, plant biology · 20 marks
  • Q4 homeostasis, matching, thermoregulation · 20 marks
  • Q5 ecology, food webs, trophic levels · 20 marks
  • Q6 photosynthesis, chlorophyll, plant biology · 20 marks
  • Q7 yeast, microbiology, experimentation · 30 marks
  • Q8 germination, seeds, experimentation · 30 marks
  • Q9 dna, mutation, experimentation · 30 marks
  • Q10 genetics, genetic engineering, incomplete dominance · 60 marks
  • Q11 ecology, population estimation, conservation, comprehension · 60 marks
  • Q12 digestion, digestive system, ibs · 60 marks
  • Q13 heart, circulatory system, breathing system · 60 marks
  • Q14 cell structure, enzymes, plant tissue · 60 marks
  • Q15 seed dispersal, skin, rhizopus, fungi · 60 marks

Revise Biology by topic

Scientific Method & the Study of LifeFood & BiomoleculesEcology & the EnvironmentCell Structure & DiversityEnzymes, Metabolism & Membrane TransportPhotosynthesis & RespirationCell Continuity: Cell DivisionGenetics, DNA & EvolutionDiversity of Organisms & MicrobiologyPlant BiologyHuman Nutrition, Digestion, Circulation & DefenceBreathing, Excretion & HomeostasisHuman Responses: Nervous, Senses, Endocrine & MusculoskeletalHuman Reproduction
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Questions come from the official State Examinations Commission papers. Every link opens the original PDF on examinations.ie.