Class 9 Biology Notes
Smart Syllabus 2026
Biology class 9 Notes (Punjab Board) – Chapter-Wise Easy Explanation
Biology is one of the very important subject in Class 9. It helps student in studying living organisms and all natural process in the universe. These Biology Class 9 notes are well written and can help students in true manner. It resolve their exam problems in a true way.
These notes are specially designed for the Punjab Board Class 9 students. These are also useful for students of all other boards .
Biology class 9 notes are written under the supervision of professionals and arranged in such a way that students can learn and understand it very well.
What biology is ?
Biology is combination of two word “bio” and “logos”. It’s a Greek word now lets talk about the importance of biology in real life
Biology plays an important role in our daily life. It helps us in:
- Understanding human health and diseases
- Improving agriculture and food production
- Discovering medicines and vaccines
- Protecting the environment
- Learning about plants and animals
Without biology, modern medical and agricultural development would not be possible.
Future in Biology
Biology opens the door to many professional fields, such as:
- Doctor
- Veterinary Doctor
- Biotechnologist
- Pharmacist
- Agriculture Officer
- Medical Lab Technologist
Students who study biology can choose from a wide range of medical and scientific careers.
Chapter No 1: Introduction of Biology
Chapter 2: Biodiversity
Chapter 3: The cell
Chapter 4: Cell cycle
Short question & Answer
Numericals
Mcq’s
Chapter 5: Tissues, Organ and Organ system
Short question & Answer
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Mcq’s
Chapter 6: Molecular Biology
Short question & Answer
Numericals
Mcq’s
Chapter 7: Enzymes
Short question & Answer
Numericals
Mcq’s
Chapter 8: Bioenergetics
Short question & Answer
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Mcq’s
Chapter 9: Plant Physiology
Short question & Answer
Numericals
Mcq’s