Grade 12 Biology – Lebanese Curriculum
Online Biology lessons, exercises and exams for Grade 12 students in Lebanon — 16 chapters, 16 lessons, 1,664 practice questions.
علوم الحياة للصف 12 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.
Video lessons for every chapter, hard extra exercises at official-exam level with complete solutions, practice questions with explanations and timed exams to get ready for the official exams.
Grade 12 Biology chapters
- 1
Basic Mechanisms of Sexual Reproduction
1 lesson · 104 practice questions · 30-min exam
- 2
Transmission of Genes and Genetic Recombination
1 lesson · 104 practice questions · 30-min exam
- 3
Genetic Variation and Polymorphism
1 lesson · 104 practice questions · 30-min exam
- 4
Genetic Diversity of Populations
1 lesson · 104 practice questions · 30-min exam
- 5
Human Genetics
1 lesson · 104 practice questions · 30-min exam
- 6
Role and Components of the Immune System
1 lesson · 104 practice questions · 30-min exam
- 7
The Immune Response
1 lesson · 104 practice questions · 30-min exam
- 8
Disorders of the Immune System
1 lesson · 104 practice questions · 30-min exam
- 9
Function of Neurons
1 lesson · 104 practice questions · 30-min exam
- 10
Myotatic Reflex
1 lesson · 104 practice questions · 30-min exam
- 11
Motor Activity
1 lesson · 104 practice questions · 30-min exam
- 12
Neurotransmitters and Medical Applications
1 lesson · 104 practice questions · 30-min exam
- 13
Regulation of Glycemia
1 lesson · 104 practice questions · 30-min exam
- 14
Regulation of Arterial Blood Pressure
1 lesson · 104 practice questions · 30-min exam
- 15
Regulation of the Female Sexual Hormones
1 lesson · 104 practice questions · 30-min exam
- 16
Birth Control
1 lesson · 104 practice questions · 30-min exam
Logged-in students open chapters from the Grade 12 page.
Skills covered in Grade 12 Biology
- Cell structure and living organisms
- Digestive, respiratory and circulatory systems
- Reproduction and heredity
- Ecosystems and environmental balance
- Scientific reasoning with diagrams
Sample Grade 12 Biology questions
1. Fertilization restores:
Answer: the diploid number of chromosomes
2. Which pathway do spermatozoa follow?
Answer: seminiferous tubule → epididymis → vas deferens → urethra
3. Drosophila with red eyes is crossed with one with purple eyes. All 53 offspring have red eyes. What was the genotype of the parent with red eyes?
Answer: Pr//Pr
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 12 subjects
See also: Biology overview (all grades) · Lebanese curriculum online · Study guides
Grade 12 Biology – FAQ
What does Grade 12 Biology include on EduRise?
16 chapters following the Lebanese Grade 12 Biology programme, with 16 lessons and 1,664 practice questions. Every chapter has a lesson, practice questions with explanations and a timed exam.
Is Grade 12 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 12 Biology questions for free?
A sample of Grade 12 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 12 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.