Leaving Cert Biology help
Need Leaving Cert Biology help? StudyRoom gives Leaving Certificate Biology students 738 original practice questions mapped to the course, with hints, worked steps and an explanation of every answer.
How StudyRoom helps with LC Biology
Biology rewards precise terms and clear explanations, so practice questions explain the process and the wording examiners look for.
- 738 original questions across 44 topics
- Hints first, then a worked method, then why each wrong answer is wrong
- Spaced review brings back topics just before you would forget them
- Links to the official past papers on examinations.ie
LC Biology topics you can practise
Unit 1: The Study of Life
The scientific method and experimentation · Characteristics of life · Food: biomolecules and food tests · General principles of ecology · Nutrient recycling: carbon and nitrogen cycles · Population dynamics and interactions · Human impact on ecosystems · Study of an ecosystem (fieldwork) · Biodiversity, Simpson's Diversity Index and carrying capacity (2025 spec) · Microbiomes, nutrient cycling and climate change (2025 spec)
Unit 2: The Cell
Cell structure and microscopy · Cell diversity: tissues, organs and systems · Membranes, diffusion and osmosis · Enzymes · Photosynthesis · Respiration · Cell continuity and cell division · DNA, RNA and protein synthesis · Genetics and inheritance · Variation, mutation and evolution · Genetic engineering · Chromosomes, non-nuclear inheritance and epigenetics (2025 spec) · Cell proliferation and cancer (2025 spec) · DNA sequencing, bioinformatics and stem cells (2025 spec)
Unit 3: The Organism
Diversity of organisms and classification · Monera (bacteria) · Fungi · Viruses · Structure of the flowering plant · Transport and nutrition in plants · Plant responses and growth regulators · Sexual reproduction in flowering plants · Vegetative propagation · Human nutrition and the digestive system · Blood and the circulatory system · The breathing system · Excretion and homeostasis · The nervous system and senses · The endocrine system · The musculoskeletal system · The human defence system · Human reproduction · Domains of life and phylogeny (2025 spec) · Infectious and emerging diseases (2025 spec)
Frequently asked questions
Is StudyRoom a live online Biology tutor?
No. StudyRoom is a self-study platform: questions, hints and explanations you can use any time. It does not offer live lessons or grinds. Many students use it to practise between grinds or classes.
Is StudyRoom free?
Everything is free during our November promotion, with no card needed. Teachers are free, and work a teacher assigns is free for the class.
Does it follow the Irish Biology course?
Leaving Certificate Biology topics are mapped to the NCCA specification (linked on the subject page), with 44 topics. Check your own school's level and specification year, as some subjects have revised specifications for newer cohorts.
Can I practise past papers?
Yes. StudyRoom links to the official past papers on examinations.ie for each year so you can try the real exam, and its own practice questions cover the same topics. StudyRoom does not copy the papers.
How do I get started?
Create a free account, pick your year and level, and start with any topic. StudyRoom suggests what to practise next and brings topics back for review at the right time.
Related guides
Leaving Cert maths help · Junior Cert maths help · Leaving Cert Applied Maths help · Leaving Cert Irish help · Junior Cert Irish help · Leaving Cert English help
StudyRoom is an independent practice site. It is not a live tutoring service and is not affiliated with the State Examinations Commission or the NCCA. Feedback is guidance, not an official mark.