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Home Punjab board Class 9

Punjab Board Biology Class 9 Notes Unit 1 to 9

Biology Class-IX Notes for Punjab board all chapters pdf download best and quality pdf format.

  1. Introduction to Biology
  2. Solving a Biological Problem
  3. Biodiversity
  4. Cells and Tissues
  5. Cell Cycle
  6. Enzymes
  7. Bioenergetics
  8. Nutrition
  9. Transport

List of all Chapters and Unit Downalod Class 9 Biology Notes for Punjab board

Chapter #1 Introduction to Biology

introduction to biology chapter number 1.
Punjab Board Biology Class 9 Notes Unit 1 to 9 10
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Biology is the study of life. These include the cellular basis of living things, the energy metabolism that reduces life activities, and the genetic basis of heredity in organisms types of practical biology include plant breeding, wildlife management, medical science, and crop production.

Punjab Board Class 9th Chapter-1- Download

Chapter #2 Solving a Biological Problem

Chapter #2 Solving a Biological Problem pdf download.  The scientific technique that solves biological problems is called the biological approach.
Punjab Board Biology Class 9 Notes Unit 1 to 9 11
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The scientific technique that solves biological problems is called the biological approach.

Punjab Board Class 9th Chapter-2- BIOLOGYDownload

Chapter #3 Biodiversity

Biodiversity Biology Chapter number 3.
Punjab Board Biology Class 9 Notes Unit 1 to 9 12
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The term biodiversity (“biodiversity”) refers to the various types of life on Earth, from genes to ecosystems, and can encompass the evolutionary, ecological, and cultural processes that sustain life.


Punjab Board Class 9th Chapter-3- BIOLOGYDownload

Chapter #4 Cells and Tissues

Biology Chapter number 6 cells and tissues.
Punjab Board Biology Class 9 Notes Unit 1 to 9 13
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Basically, a cell consists of three parts: the cell membrane, the nucleus, and between the two, the cytoplasm. Tissue is a group of cells that have a similar structure and work together as one unit. The basic types of body tissues include epithelial, connective, muscular, and nerve tissues.

Punjab Board Class 9th Chapter-4- BIOLOGYDownload

Chapter #5 Cell Cycle

cell cycle biology chapter number 5.
Punjab Board Biology Class 9 Notes Unit 1 to 9 14
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The cell cycle is a series of events that grow and divide in the cell. … The cell then leaves the interface, undergoes mitosis, and completes its division. The resulting cells, known as daughter cells, each enter their own phase and begin a new cycle of the cell cycle.

Punjab Board Class 9th Chapter-5- BIOLOGYDownload

Chapter #6 Enzymes

enzyme biology notes for punjab textbook.
Punjab Board Biology Class 9 Notes Unit 1 to 9 15
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Enzymes are proteins that help speed up the metabolism, or chemical reactions in our body. They make some substances and break down others. All living things have enzymes. Our bodies produce enzymes naturally. But enzymes are also present in finished products and food.

Punjab Board Class 9th Chapter-6- BIOLOGYDownload

Chapter #7 Bioenergetics

Chapter #7 Bioenergetics biology notes for class 9.
Punjab Board Biology Class 9 Notes Unit 1 to 9 16
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Bioengineering is a branch of biochemistry that focuses on how cells convert energy, often through the production, storage or use of adenosine triphosphate (ATP). Bioenergetic processes, such as cellular respiration or photosynthesis, are essential for most aspects of cellular metabolism, so for life itself.

Punjab Board Class 9th Chapter-7- BIOLOGYDownload

Chapter #8 Nutrition

Chapter #8 Nutrition biology clas 9th notes for punjab board.
Punjab Board Biology Class 9 Notes Unit 1 to 9 17
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Nutrition is a biological and physical process by which an organism uses food to sustain its life. These include digestion, absorption, supplementation, biosynthesis, catabolism, and excretion. The science that studies the physiological process of nutrition is also called nutrition science.

Punjab Board Class 9th Chapter-8- BIOLOGYDownload

Chapter #9 Transport

Chapter #9 Transport biology notes class IX pdf notes.
Punjab Board Biology Class 9 Notes Unit 1 to 9 18
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In biology, transportation refers to the process or means by which a molecule or ion is transmitted through a cell membrane or through the blood. In this regard, there are two types of transportation: (1) passive transport and (2) active transport.

Punjab Board Class 9th Chapter-9- BIOLOGYDownload

Read more:

  • Punjab Board Chemistry Class 9 Notes Cha 1 to 8 Pdf Download
  • Punjab Board Maths Class 9 Notes all chapters Pdf Download
  • Punjab 9 Class Physics Notes all Chapters Pdf

Table of Contents

  • List of all Chapters and Unit Downalod Class 9 Biology Notes for Punjab board
  • Chapter #1 Introduction to Biology
  • Chapter #2 Solving a Biological Problem
  • Chapter #3 Biodiversity
  • Chapter #4 Cells and Tissues
  • Chapter #5 Cell Cycle
  • Chapter #6 Enzymes
  • Chapter #7 Bioenergetics
  • Chapter #8 Nutrition
  • Chapter #9 Transport
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