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The CBSE class 9 biology syllabus covers a wide range of vital topics such as tissues, cell theory, matter, and so on.

Runali Deb Roy

Last Update : 07 Feb 2023


Introduction to Biology

The CBSE class 9 biology syllabus covers a wide range of vital topics such as tissues, cell theory, matter, and so on. The principles of these chapters are necessary at higher levels to grasp difficult issues easily, hence a thorough mastery of the fundamentals is vitally important.

A few 9th-class biology notes are provided here to assist students to learn more successfully. These notes cover all of the major concepts and pictures to assist students in correctly studying the chapters. These biology class 9 CBSE notes adhere to the most recent CBSE syllabus.

Basic Concepts of Biology

  • Biology improves students' understanding of living creatures and the environments in which they thrive.
  • Biology is entirely dependent on the functioning of cells and genes.
  • We completely assist the study in clarifying their notions.
  • Our instructional technique, which includes study materials, instills in pupils a love of biology.

Course Content

4 Lessons 45m

Biology NCERT Class 9

The Central Board of Secondary Education has placed NCERT on its priority list of recommendations (CBSE). You will get all of the NCERT Solutions for Class 9 Biology chapter-by-chapter here. It will assist you in comprehending the material and performing well in tests.

Biology is significant from both an experimental and practical standpoint, in addition to having a high weight in tests. NCERT answers are essential for understanding the chapters in biology. provides high-quality NCERT answers created by a unique team of professionals. Furthermore, the crew is accessible to answer your questions.

Biology and Its Significance:

Have you ever pondered how we can walk? Why do plants blossom with flowers? Why do animals require food? How does reproduction occur? The topic of biology will provide the greatest answers to all of your inquiries. Biology is the study of all living species and their life processes on Earth. Aristotle is known as the "Father of Biology."

Biology is really important.

There are various indicators that biology is important. Biology is largely concerned with the study of living things. Furthermore, it provides a comprehensive scientific explanation of how all living and nonliving entities interact with one another.


It contains information about many living types. Furthermore, biology encompasses a wide range of studies concerned with the long-term viability of life, such as the study of the human body and surroundings, the ecology, food quality, illness causes, and the development of novel therapies.

Biology is really important.

Course Structure


Unit 1: Matter-Nature and Behavior
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  1.  Definition of matter: solid, liquid and gas; characteristics - shape, volume, density; change of statemelting (absorption of heat), freezing, evaporation (cooling by evaporation), condensation, sublimation.
  2. Nature of matter: Elements, compounds and mixtures. Heterogeneous and homogenous mixtures, colloids and suspensions. Physical and chemical changes (excluding separating the components of a mixture).
  3. Particle nature and their basic units: Atoms and molecules, Law of Chemical Combination, Chemical formula of common compounds, Atomic and molecular masses.
  4. Structure of atoms: Electrons, protons and neutrons, Valency, Atomic Number and Mass Number, Isotopes and Isobars.


Unit 2: Organization in the Living World
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Cell - Basic Unit of life: Cell as a basic unit of life; prokaryotic and eukaryotic cells, multicellular organisms; cell membrane and cell wall, cell organelles and cell inclusions; chloroplast, mitochondria, vacuoles, endoplasmic reticulum, Golgi apparatus; nucleus, chromosomes - basic structure, number.

Course Instructor

Shruti Koli
25 Tutorials 100 Students

The Matriye Academy experience was fantastic.... Doubts section is just the best replies are very instant and you get your answers in 2 minutes by experts . Live lessons and a test series are available. Everything is too lovely for practise

Ravikant Sharma
25 Tutorials 100 Students

Excellent website! We are capable of learning anything. It's fascinating to me because when I listen to their classes, teaching, and so on, I feel like I'm in my own class at my own school. However, it occasionally prompts me to update the webpage. Even if the internet connection is strong, it never updates.

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