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Biology | Class 9
Balochistan
Class 9
Biology (
Total Videos: 222
)
Preference
All Chapters
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: Introduction To Nutrition
Chapter 9: Transport
Show Content
Select a chapter above and press 'Show Content'. Click a video topic below to view.
Chapter 1 Introduction to Biology (
21 videos
)
  (
Practice Test
)
1.1: Definition of Biology
Introduction to Biology
65455 views
1.2: Branches of Biology (
Practice Test
)
Zoology, Botany, Microbiology
30244 views
Morphology, Anatomy and Physiology
11586 views
Cell Biology and Histology
7585 views
Genetics and Embryology
7526 views
Biotechnology and Biochemistry
4004 views
Sociobiology and Parasitology
4154 views
Environmental Biology, Taxonomy and Palaeontology
7251 views
Immunology, Entomology, Pharmacology
3194 views
1.3: Relationship of Biology to Other Sciences
Relationship of Different Branches of Science
8888 views
More on Biology and Other Science
5505 views
1.4: Careers in Biology
Biology and The Services of Mankind
1.5: Division of Living Organisms in Five Groups (
Practice Test
)
Five Kingdom Classification System
20175 views
More on Five Kingdom Classification System
1829 views
1.6: Quran Instructs to Reveal Study of Life (
Practice Test
)
Muslim Scientists (Kidney)
1936 views
Muslim Scientists (Eye)
1222 views
1.7: Contributions of Muslim Scientists in the Field of Biology (
Practice Test
)
Muslim Scientists (Kidney)
1936 views
Muslim Scientists (Eye)
1222 views
1.8: The Levels of Organization of Organisms
Levels of Organization
9643 views
1.9: Cellular Organization in Organisms (
Practice Test
)
Cellular Organization
7950 views
Multicellular Organisms
3846 views
Chapter 2 Solving a Biological Problem (
6 videos
)
  (
Practice Test
)
2.1: Steps Involved in Biological Method (
Practice Test
)
Biological Method
24526 views
More on Biological Method
12596 views
2.2: A Case of Malaria - An example of Biological Method (
Practice Test
)
Study of Malaria
7761 views
More Study of Malaria
4085 views
2.3: The Use of Ratio and Proportion in Solving Biological Problems
Data Organization and Analysis
5262 views
2.4: Importance of Data Analysis
Data Organization and Analysis
5262 views
Chapter 3 Biodiversity (
19 videos
)
  (
Practice Test
)
3.1: Definition of Biodiversity
Definition of Biodiversity
3.2: Major Varieties of Life on the Planet Earth
Major Varieties of Life on The Planet Earth
3.3: Importance of Relation Between Biodiversity and Natural Ecosystem
Definition of Biodiversity
3.4: Basis of Classification of Living Organisms (
Practice Test
)
Comparative Biochemistry, Cytology, Genetics
Taxonomic Hierarchy
13440 views
3.5: Historical Background of Aims and Principles of Classification
Aims and Basis of Classification
12075 views
3.6: Aristotle (Founder of Biological Classification)
Two Kingdom Classification System
9650 views
3.7: Basis of 'Five' Kingdom Classification System
Basis of Five Kingdom Classification System
3.8: Importance and Comparison of Two Kingdom System and Five Kingdom System
Comparison of Two Kingdom System and Five Kingdom System
3.9: The Five Kingdoms (
Practice Test
)
Five Kingdom Classification System
20175 views
More on Five Kingdom Classification System
1829 views
3.10: Structure of Viruses (
Practice Test
)
Structure of Bacteriophage
7899 views
Status of Viruses
9055 views
3.11: Historical Background, Aims and Principles of Binomial Nomenclature (
Practice Test
)
Binomial Nomenclature
6877 views
3.12: Conservation of Biodiversity (
Practice Test
)
Protection and Conservation of Environment
Endangered Species
1933 views
3.13: Human Impact on Biodiversity
Human Impact on Environment
3.14: Deforestation (
Practice Test
)
Deforestation, Soil Erosion
2459 views
3.15: Importance of Conservation of Biodiversity
Issues and Importance of Conservation of Biodiversity
Chapter 4 Cells and Tissues (
53 videos
)
  (
Practice Test
)
4.1: Microscopy (
Practice Test
)
Light Microscope
12496 views
Electron Microscope
10876 views
Working of Scanning Electron Microscope (SEM)
1426 views
Working of Transmission Electron Microscope (TEM)
2691 views
Comparison of Different Types of Microscope
2151 views
4.2: Relationship Between Development in Imaging Technology and the Current Understanding of the Cell
Light Microscope
12496 views
4.3: History of the Formulation of Cell Theory (
Practice Test
)
formulation of Cell Theory
15087 views
4.4: Acellular Particles (
Practice Test
)
Prions
5087 views
Viruses
11445 views
4.5: Historical Timeline of Cell Theory (
Practice Test
)
formulation of Cell Theory
15087 views
4.6: Structure and Functions of Cell (
Practice Test
)
Cell
6104 views
Cell wall
36672 views
Cell Membrane
24850 views
Cytoplasm, Cytoskeleton
17752 views
Nucleus
17830 views
Endoplasmic Reticulum (ER), Ribosomes
14548 views
Golgi Apparatus and Lysosomes
22182 views
Mitochondria
15515 views
Centrioles
17135 views
Plastids
13337 views
Vacuoles
11106 views
4.7: Structure of Leaf and Functions of Constituents Cells (
Practice Test
)
Internal Structure of Leaf
2993 views
4.8: Significance of Cell Wall and Chloroplast (
Practice Test
)
Cell wall
36672 views
Chloroplasts, The Sites of Photosynthesis
6189 views
4.9: Relationship Between Cell Function and Cell Structure
Relationship b/w Cell Structure and Function
2541 views
4.10: Cell as an Open System
Cell as an Open System
4.11: Contribution of Various Cells for the Healthy Functioning of Human Body
Contribution of Various Cells for The Healthy Functioning of Human Bo
4.12: Difference Between Prokaryotic and Eukaryotic Cell
Difference between Prokaryotic and Eukaryotic Cells
13699 views
4.13: Importance of Nucleus and Mitochondria for Prokaryotic and Eukaryotic Cells
Importance of Nucleus and Mitochondria for Prokaryotic and Eukaryotic
4.14: Relation of Surface Area to volume Ratio With Cell Size
Cell Size and Surface Area to Volume Ratio
4.15: Relation between Surface to volume Ratio and Size And Shape of Cell
Cell Size and Surface Area to Volume Ratio
4.16: Passive and active Transport of Molecules Across The Cell Membrane (
Practice Test
)
Diffusion and Facilitated Diffusion
8261 views
Osmosis
6053 views
Filtrations and Active Transport
3995 views
Endocytosis and Exocytosis
8353 views
4.17: Comparison of Passive and Active Transport
Passive Transport and Active Transport
6121 views
4.18: Turgor Pressure
Turgor
3908 views
4.19: Plasmolysis (
Practice Test
)
Plasmolysis
1363 views
4.20: Role of Cell Membrane in Maintaining Equilibrium While Exchanging Matters
More on Cell Membrane
9106 views
4.21: Tissues (
Practice Test
)
Tissues and Organs
68 views
Plant Tissues, Simple and Compound Tissues
5055 views
4.22: Animal Tissues (
Practice Test
)
Animal and Plant Tissues
4313 views
Epithelial Tissues (Animals Tissues)
7670 views
Connective Tissues
5051 views
Connective Tissues And Nervous Tissues
Muscle Tissues
3625 views
4.23: Plant Tissues (
Practice Test
)
Plant Tissues, Simple and Compound Tissues
5055 views
Meristematic Tissues
4358 views
Permanent Tissues
3534 views
More on Permanent Tissues
2449 views
Compound Tissues
3280 views
4.24: Relation Between The Functions and Structures of Tissues
Relation Between The Functions and Structures of Tissues
4.25: A Colony of Cells is Not Considered as a Tissue
A Colony of Cells is Not Considered as a Tissue
Chapter 5 Cell Cycle (
13 videos
)
  (
Practice Test
)
5.1: Cell Cycle (
Practice Test
)
Cell Cycle
20785 views
5.2: Phases of Cell Cycle (
Practice Test
)
Cell Cycle
20785 views
5.3: Mitosis (
Practice Test
)
Mitosis, Prophase
30609 views
Anaphase, Telophase of Mitosis
16891 views
More on Mitosis, Cytokinesis
10975 views
5.4: Significance of Mitosis
Significance of Mitosis
10862 views
5.5: Meiosis (
Practice Test
)
Metaphase I, Anaphase I and Telophase I
15853 views
Meiosis-I, Prophase I
13659 views
Meiosis I (Prophase I)
8802 views
Meiosis-II
7798 views
5.6: Significance of Meiosis
Importance of Meiosis
2663 views
5.7: Comparison Between Mitosis and Meiosis
Comparison of Mitosis and Meiosis
3684 views
5.8: Necrosis and Apoptosis
Apoptosis and Necrosis
2655 views
Chapter 6 Enzymes (
9 videos
)
  (
Practice Test
)
6.1: Metabolism
Metabolism
6.2: Role of Enzymes in Metabolism (
Practice Test
)
Enzymes
21151 views
6.3: Intracellular and Extracellular Enzymes and Enzymes Increase Rate of Reaction
Intracellular and Extracellular Enzymes and Enzymes Increase Rate of
6.4: Characteristics of Enzymes (
Practice Test
)
Characteristics of Enzymes
8195 views
6.5: Co-factors
Types of Cofactors
1530 views
6.6: Activation Energy (
Practice Test
)
Enzymes
21151 views
6.7: Factors Affecting the Rate of Enzyme Action
Factors Affecting the Rate of Enzyme Action
7365 views
6.8: Mechanism of Enzyme Action (
Practice Test
)
Mechanism of Enzymes
10316 views
6.9: Specificity of Enzymes
Specificity of Enzymes
6045 views
Chapter 7 Bioenergetics (
22 videos
)
  (
Practice Test
)
7.1: Bioenergetics (
Practice Test
)
Basic Introduction (Bioenergetics)
10345 views
7.2: Oxidation-Reduction Reactions (
Practice Test
)
Oxidation-Reduction Reactions
8855 views
7.3: ATP-The Energy Currency of Cell
Role of ATP as Energy Currency
11149 views
7.4: ATP-ADP Cycle
Role of ATP as Energy Currency
11149 views
7.5: Photosynthesis
Photosynthesis
3647 views
7.6: Intake of Water and CO2 (
Practice Test
)
Water and Photosynthesis
6092 views
Role of Carbon Dioxide in Photosynthesis
4147 views
7.7: Role of Chlorophyll in Trade of Light Energy
Role of Chlorophyll and Light
8955 views
7.8: Process Involved in Photosynthesis (
Practice Test
)
Light Reaction of Photosynthesis
5894 views
Cyclic Phosphorylation
15873 views
More on Dark Reaction
4428 views
7.9: Limiting Factors for Photosynthesis
Limiting Factors in Photosynthesis
3961 views
7.10: Respiration (
Practice Test
)
Respiration
5542 views
Aerobic Respiration
6500 views
Anaerobic Respiration
9665 views
Types of Fermentation
7026 views
7.11: Mechanism of Aerobic Respiration (
Practice Test
)
Glycolysis
5679 views
Krebs Cycle
6354 views
Components of Electron Transport Chain
7.12: Energy Budget of Respiration (
Practice Test
)
The Energy Budget of Respiration
7883 views
7.13: Comparison of Photosynthesis and Respiration (
Practice Test
)
Comparison of Photosynthesis and Respiration
3194 views
7.14: Comparison Between Aerobic and Anaerobic Respiration
Comparison of Aerobic and Anaerobic Respiration
1915 views
Chapter 8 Introduction To Nutrition (
39 videos
)
  (
Practice Test
)
8.1: Mineral Nutrition in Plants (
Practice Test
)
Autotrophic and Heterotrophic Nutrition
10806 views
Minerals Requirement in Plants
3357 views
Micronutrients and Macronutrients
7599 views
8.2: Role of Nitrogen in Protein Synthesis (
Practice Test
)
Role of Nitrogen and Magnesium
5172 views
8.3: Role of Magnesium in Chlorophyll Formation (
Practice Test
)
Minerals Requirement, Magnesium
683 views
8.4: Effect of Lack of Nitrate and Magnesium ion in Plant Growth (
Practice Test
)
Minerals Requirement, Nitrogen
904 views
8.5: Importance of Fertilizers in Agriculture
Importance of Fertilizers in Agriculture
8.6: Environmental Hazards Related to Chemical Fertilizers Use
Environmental Hazards Related to Fertilizers Use
2189 views
8.7: Components of Human Food (
Practice Test
)
Carbohydrates
12933 views
Functions of Carbohydrates
8359 views
Structure of Amino Acid
7394 views
Functions of Protein
2736 views
Lipids Characteristics
7655 views
Vitamin A
3466 views
Vitamin C and D
2591 views
Role of Calcium and Iron
2659 views
Water and Dietary Fiber
3963 views
8.8: Balanced Diet
A Balance Diet
2452 views
8.9: Relation of Diet and Energy Intake With Age, Sex and Activity of an Individual
Food And Energy
8.10: Problems Related to Nutrition (
Practice Test
)
Causes of Malnutrition, Protein-Energy Malnutrition
2683 views
Protein - Energy Malnutrition
6981 views
Mineral Deficiency Diseases
2625 views
Over-nutrition
1824 views
Effects of Malnutrition
1810 views
8.11: Factors That Contribute to Famine
Factors That Contribute to Famine
8.12: Digestive System and Digestion of Food in Man
Digestion in Human
9054 views
Human Digestive System (Stomach and Small Intestine)
8.13: Alimentary Canal/Digestive Tract (
Practice Test
)
Human Alimentary Canal
5890 views
Digestion in Oral Cavity
8759 views
Digestion in Pharynx and Oesophagus
6713 views
Digestion in Stomach
11097 views
Digestion in Small Intestine
8002 views
More on Digestion and Absorption of Food in the Small Intestine
3743 views
Digestion in Large Intestine
6785 views
8.14: Role of Pancreas in Digestion (
Practice Test
)
Pancreas
10728 views
8.15: Role of Liver in The Metabolism of Glucose and Amino Acids and in the Formation of Urea (
Practice Test
)
Role of Liver in Digestion
6945 views
Deamination, Urea, Uric Acid
3076 views
8.16: Digestive Disorder or Disorder of Gut (
Practice Test
)
Diarrhoea and Vomiting
3679 views
Constipation, Ulcer
2885 views
Chapter 9 Transport (
40 videos
)
  (
Practice Test
)
9.1: Transport and Its Needs
The Need of Transport of System
3327 views
9.2: Transport in Plants (
Practice Test
)
Transport in Plants
5823 views
Absorption by Roots
Uptake of Water by Roots and Pathways
3614 views
9.3: Transpiration (
Practice Test
)
Transpiration
4807 views
Opening and Closing of Stomata
12113 views
Mechanism of Stomatal Transpiration
9017 views
Factors Affecting the Rate of Transpiration
5640 views
Significance of Transpiration
4220 views
Transpiration is Necessary Evil
1582 views
Wilting
9.4: Transport of Water in Stem (
Practice Test
)
Cohesion and Tension Theory
5145 views
Transpiration
4807 views
9.5: Translocation of Food in Plants (
Practice Test
)
Source - Sink Movement
Transport of Food
8089 views
9.6: Transport in Man (
Practice Test
)
Functions of Blood
1826 views
Blood, Blood Plasma
5759 views
Blood Cells
4336 views
White Blood Cells
1107 views
Platelets
859 views
ABO Blood Group System
5186 views
Blood Transfusion
Blood Transfusion In Rh Blood Group System
Rh Blood Group System
675 views
Leukemia
1348 views
Thalassemia
1651 views
9.7: Human Heart (
Practice Test
)
Structure of Human Heart
6361 views
Valves of Heart
2684 views
Passage of Blood Through Heart
1762 views
More on Pulmonary Circulation
599 views
More on Systemic Circulation
530 views
Cardiac Cycle
Heartbeat
5655 views
Comparison of Arteries, Capillaries and Veins
3363 views
Exchange of Material
1048 views
Arterial System
6883 views
Venous System
4938 views
Atherosclerosis
1612 views
Arteriolosclerosis
1358 views
Atherosclerosis and Arteriosclerosis
5897 views
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