Complete High School Biology Study Guide — 131 Pages, 360+ Questions, PDF

The most comprehensive high school biology study guide on Payhip — 10 chapters, 360+ practice questions, full answer keys, by a physician and educator. Instant PDF download.

Finally, a biology study guide that actually teaches.

This 131-page guide is the complete biology resource for grades 9 through 12 — built by a physician-educator who knows what students struggle with and how to fix it. Every chapter follows the same proven 12-page rhythm so you always know what to study next.

What's inside:

• 10 complete chapters covering everything from cell biology to CRISPR
• 80 key term definitions with a master reference at the back
• 60 worked examples that walk through Punnett squares, dihybrid crosses, Hardy-Weinberg, DNA transcription, ATP yields, and more
• 300 practice questions (10 easy + 10 medium + 5 hard per chapter)
• 50 chapter mini-test questions to confirm mastery
• 60 cumulative practice test questions across two full practice tests with answer keys
• 80 mastery checklist items so you can self-assess
• All answer keys included — every single question has a complete answer

Chapter list:

1. Cell Biology
2. Cell Division (Mitosis, Meiosis)
3. Genetics & Heredity (Punnett squares, Mendel, pedigrees)
4. Molecular Biology (DNA, RNA, transcription, translation)
5. Evolution (Natural selection, Hardy-Weinberg, speciation)
6. Ecology (Food webs, biomes, population dynamics)
7. Human Body Systems (All 11 systems)
8. Plant Biology (Photosynthesis, cellular respiration)
9. Microbiology & Immunity (Pathogens, vaccines, resistance)
10. Biotechnology (PCR, CRISPR, GMOs, gene editing)

Designed for serious study, not just memorization. Each chapter starts with key terms, builds through core concepts, walks through worked examples, then drills you with practice questions at three difficulty levels. A mini-test at the end of every chapter confirms you actually learned it.

Premium editorial design. Clean typography, gold-accent design system, scratch-paper workspace pages between chapters. This is the study guide that looks as serious as you are.

What students get:

• Confidence on test day
• A reference they'll keep through the whole year
• A clear study path that doesn't waste time
• Answer keys that explain, not just confirm
• Format: PDF, US Letter (8.5 × 11 in), 131 pages. Instant download after purchase. Print at home or use on tablet.

Created by Dr. Oussama Wael Bouhentala, MD, a physician-epidemiologist and educator who has produced clinical materials, scientific publications, and educational resources used in healthcare and academic settings.

Print it. Use it. Pass biology.