Biology 9th class

clase 9 de la biología tiene notas, libros de texto, preguntas cortas, preguntas largas, papeles!

As you know Biology is all fun if you know how to enjoy it. I enjoyed it really well in 9th Class when I got 73/75 in Sahiwal Board. My formula was to clear your concepts and diagrams, get the unexpected marks. The topics that were difficult for me, I made use of google to see the animation. Biology includes concepts, diagrams and you will get a lot of marks.

Includes Chapters:

1. Introduction to biology

Division and introduction to branches

biology definitions

Zoology

Botany

Microbiology

Cell biology

Physology

Genetics

Biotechnology

Biophysics

Biochemistry

Jobs in Biology

Quran and Biology

Muslims famous scientists

Levels of Organization of organisms

2. Solving a biological problems

Biological Method

Scientific Problems

Hypotheses, deductions and experiments

Theory, law and principle

Data organization and data analysis

Mathematics: An integral part of science

3. Biodiversity

Biodiversity and its Importance

Classification Aims and Principles

Aims and Basis of Classification

Taxonomic Hierarchy

History of Classification Systems

Two Kingdom Classification System

Three Kingdom Classification System

The Five Kingdoms (Practice Test)

Five Kingdom System

Status of Viruses

Binomial Nomenclature

Binomial Nomenclature

Conservation of Biodiversity

Conservation of Biodiversity,

Endangered Species in Pakistan

Impact of Human Beings on Biodeversity,

Causes and Effects of Defores

4. Cells and Tissues

Microscopy and the Emergence of Cell Theory

Light Microscope

Electron Microscope

History of Formulation of Cell Theory

Status of Viruses

Cell Structure and Functions

Cell wall

Cell Membrane

Cytoplasm, Cytoskeleton

Nucleus

Mitochondria

Plastids

Endoplasmic Reticulum (ER),Ribosomes

Golgi Apparatus and Lysosomes

Vacuoles

Centrioles

Difference between Prokaryotic and Eukaryotic Cells

Relationship b/w Cell Structure and Function

Cell Size and Surface Area to Volume Ratio

Difference between Prokaryotic and Eukaryotic Cells

Passage of Molecules intro and Out of Cells

Diffusion, Facilitated Diffusion

Osmosis

Water Balance Problems

Osmosis and Guard Cells

Application of Knowledge about Semi-Permeable Membranes

Filtrations and Active Transport

Endocytosis and Exocytosis

Animals and Plant Tissues

Animals and Plant Tissues

Epithelial Tissue

Connective Tissues, Nervous Tissues

Muscle Tissues

Plant tissues, Simple and Compound Tissues

Meristematic Tissues

Permanent Tissues

More on Permanent Tissues

Compound Tissues

5. Cell Cycle

Mitosis, Karyokinesis, Cytokinesis,Prophase

Mitosis

More on Mitosis 1, Metaphase, Anaphase, Telophase

Mitosis, Karyokinesis, Cytokinesis,Prophase

More on Mitosis 2, Cytokinesis

Significance of Mitosis

Meiosis

Phases of Meiosis

Meiosis-I, Prophase I

Metaphase I, Anaphase I and Telophase I

Meiosis-II

Significance of Meiosis

Comparison of Mitosis and Meiosis

Apopotosis and Necrosis

Apopotosis and Necrosis

6. Enzymes

Characteristics of Enzymes

Basic Definition Used in Enzyme

Uses of Enzymes

Factors Effecting the rate of Enzyme Action

Characteristics of Enzymes

Mechanisims of Enzyme Actions

Lock and Key Model

Induecd Fit Model

Specificity of Enzymes

Specificity of Enzymes

7. Bioenergetics

Bioenergenetics and Role of ATP

Photosynthesis

Respiration

8. Nutrition

Mineral Nutrition in Plants

Components of Human Food

Digestion in Human

Disorders of Gut

9. Transport

Transport in Plants

Transport in Human

Cardiovascular Disorders

means of transportation

types of transportation