Grade 9 Biology – Lebanese Curriculum
Online Biology lessons, exercises and exams for Grade 9 students in Lebanon — 13 chapters, 13 lessons, 1,349 practice questions.
علوم الحياة للصف 9 وفق المنهج اللبناني: دروس، تمارين مع الشرح، وامتحانات مؤقّتة.
Biology (Life Sciences) for Grades 7–9 follows the Lebanese intermediate programme: cells, nutrition and digestion, respiration and circulation, reproduction, genetics basics, ecosystems and the environment. Each chapter is built from the official textbook table of contents.
Full-year chapter coverage, thousands of practice questions with explanations, Brevet mock exams with automatic marking, and progress tracking to find weak chapters before the exam.
Grade 9 Biology chapters
- 1
From Food to Nutrients: Digestion
1 lesson · 104 practice questions · 30-min exam
- 2
The Use of Nutrients and Oxygen
1 lesson · 104 practice questions · 30-min exam
- 3
Nutrition and Health
1 lesson · 104 practice questions · 30-min exam
- 4
Oxygen Uptake and Carbon Dioxide Release: Respiration
1 lesson · 104 practice questions · 30-min exam
- 5
Transport and Distribution of Nutrients and Oxygen: Circulation
1 lesson · 104 practice questions · 30-min exam
- 6
Regulation of the Internal Medium: Urinary Function
1 lesson · 104 practice questions · 30-min exam
- 7
Chromosomes, Carriers of the Genetic Information
1 lesson · 104 practice questions · 30-min exam
- 8
Transmission of the Genetic Information
1 lesson · 104 practice questions · 30-min exam
- 9
Mendelian Heredity
1 lesson · 104 practice questions · 30-min exam
- 10
Reactions of the Body to Environmental Stimulations
1 lesson · 101 practice questions · 30-min exam
- 11
Tactile Sensation
1 lesson · 104 practice questions · 30-min exam
- 12
Organization of the Human Brain and Disturbances of the Nervous System
1 lesson · 104 practice questions · 30-min exam
- 13
Microorganisms Are Beneficial to Human Beings
1 lesson · 104 practice questions · 30-min exam
Logged-in students open chapters from the Grade 9 page.
Skills covered in Grade 9 Biology
- Cell structure and living organisms
- Digestive, respiratory and circulatory systems
- Reproduction and heredity
- Ecosystems and environmental balance
- Scientific reasoning with diagrams
Sample Grade 9 Biology questions
1. Starch is digested into…
Answer: glucose
2. What is the main nutrient family in labneh?
Answer: proteins and lipids
3. Blood entering a muscle carries 20 mL of O₂ per 100 mL; blood leaving it carries 12 mL. How many mL of O₂ per 100 mL did the muscle use?
Answer: 8
Learning resources for this subject
- 📖 Chapter lessons with examples and figures
- 🧠 Practice mode with instant explanations
- ⏱️ Timed chapter exams (20 random questions)
- 🔁 “Fix my mistakes” practice and spaced-repetition flashcards
- 📈 Progress map per chapter and results history
Explore
Biology in other grades
Other Grade 9 subjects
See also: Biology overview (all grades) · Lebanese curriculum online · Study guides
Grade 9 Biology – FAQ
What does Grade 9 Biology include on EduRise?
13 chapters following the Lebanese Grade 9 Biology programme, with 13 lessons and 1,349 practice questions. Every chapter has a lesson, practice questions with explanations and a timed exam.
Is Grade 9 Biology taught in English or Arabic?
Biology lessons and questions are in English, following the language used in Lebanese schools for this subject. The interface is available in English and Arabic.
Can I practise Grade 9 Biology questions for free?
A sample of Grade 9 Biology questions with answers is published on the questions page. Full access to every chapter, lesson and exam requires a subscription ($10/month or $80/year).
Start Grade 9 Biology online
Create your EduRise account, choose your grade and start with the first lesson. Full access is $10/month or $80/year, all subjects included.