AI Biology
DSE Biology · Hand-drawn diagram OCR · PhET cell & genetics simulations · SBA report assistant
HK-tuned AI Biology platform covering DSE cell biology, biomolecules, enzymes, photosynthesis & respiration, human physiology, genetics & evolution, ecology. Students photograph hand-drawn biology diagrams; OCR recognises labels (cell organelles, Punnett squares, organ structures) + AI step-by-step flags labelling errors. Built-in PhET cell & genetics simulations from University of Colorado. Auto-grading for SBA observation reports aligned with HKEAA Paper 1A/1B/2 marking criteria.
DSE Biology aligned · Diagram OCR · PhET cell sims · SBA report AI
AI Biology marking demo
Student photographs hand-drawn cell diagram → OCR recognises labels → AI flags organelle naming + genetic mechanism
- Hand-drawn diagram OCR + labelling
- PhET cell & genetics simulations
- SBA observation report AI assistant
Practice items on ESSAi are AI-generated or ESSAi-authored in exam formats (for example DSE / TSA / HKAT format), with reference to the EDB curriculum. They are not HKEAA examination papers, sample papers, practice papers or marking schemes, and are not original exercises from any textbook or commercial assessment publisher. See our Copyright Notice. Copyright Notice
Biology teacher pain · ESSAi solution
DSE Biology has heavy hand-drawn diagrams (organelles, heart, nephron, Punnett squares); AI must read hand-drawn sketches + flag label errors — generic AI can't
ESSAi OCR recognises hand-drawn biology diagrams (cell structures, organ anatomy, genetic charts) + AI tags organelle names, organ parts, Punnett ratio errors aligned with HKEAA Paper 1 marking.
Cell, genetic and ecosystem mechanisms are invisible — students fall back on rote memorisation
Built-in PhET simulations from University of Colorado — membrane transport, DNA replication, Mendelian inheritance, natural selection, ecosystem dynamics — DSE-aligned interactive sims, students re-run 24/7.
Marking 30 SBA Biology observation reports takes 2 evenings — checking observation logs, sketch labels, error analysis
AI auto-grades SBA Biology reports — flags observation log gaps, sketch labels, error analysis, conclusion logic. Teacher final review only.
Core features
Biology diagram OCR + label recognition
Students photograph hand-drawn biology diagrams (organelles, heart, nephron, Punnett squares); AI recognises + flags organelle naming, organ structure, genetic ratio errors.
PhET cell & genetics simulations
University of Colorado PhET biology simulations embedded in ESSAi self-study — membrane transport, DNA replication, Mendelian inheritance, natural selection, ecosystem dynamics covering all DSE topics.
SBA Biology report AI assistant
Upload report PDF / photo; AI flags observation log gaps, sketch labels, error analysis, procedural logic. HKEAA SBA marking aligned.
AI-generated · DSE-format practice training
AI-generated · DSE-format Paper 1 / Paper 2 practice pre-loaded in ESSAi question bank; AI generates similar-style items based on student weakness profile.
AI Learning Companion · 24/7
Students ask Biology mechanism questions (photosynthesis, neural conduction, meiosis); AI doesn't directly give answers — guides step-by-step thinking per DSE syllabus, with images and video explanation.
Three steps
Teacher assigns DSE Biology practice
Pick AI-generated · DSE-format practice / school-based exercises → assign to S4-S6 classes.
Students photograph hand-drawn diagrams
OCR recognises cell / organ / genetic diagrams → AI marks in real time + flags labelling gaps.
Teacher reviews class-level analysis
Which organelles were mislabelled? Which genetics concepts need re-teaching? Dashboard breaks down by question.
DSE Biology topic coverage
S3
Bridging to senior secondary · Cells, organisms, human body intro
5 topics · aligned to HKEAA / EDB curriculum
ESSAi Biology aligned to HKEAA Paper 1A/1B/2 marking criteria · Diagram-to-grade in seconds · PhET cell sims integrated
“Students struggle most with cell-diagram labels and Punnett squares; AI recognises their hand-drawn sketches and tags each labelling error. SBA observation report AI marking saves me 5 hours per week.”
— HK secondary biology head