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Biology | Class 9
Sindh
Class 9
Biology (
Total Videos: 199
)
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: 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 (
20 videos
)
  (
Practice Test
)
1.1: Divisions And Branches of Biology (
Practice Test
)
Introduction to Biology
65455 views
Zoology, Botany, Microbiology
30244 views
Morphology, Anatomy and Physiology
11586 views
Cell Biology and Histology
7585 views
Genetics and Embryology
7526 views
Environmental Biology, Taxonomy and Palaeontology
7251 views
Sociobiology and Parasitology
4154 views
Biotechnology and Biochemistry
4004 views
Immunology, Entomology, Pharmacology
3194 views
Relationship of Different Branches of Science
8888 views
More on Biology and Other Science
5505 views
Muslim Scientists (Kidney)
1936 views
Muslim Scientists (Eye)
1222 views
1.2: The Levels of Organization (
Practice Test
)
Levels of Organization
9643 views
Subatomic and Atomic Level, Molecular Level
12974 views
Organelle, Cell and Tissue Level
9099 views
Organ and Organ System Level
8716 views
Individual, Population, Community and Biosphere Level
6670 views
Cellular Organization
7950 views
Multicellular Organisms
3846 views
Chapter 2 Solving A Biological Problem (
6 videos
)
  (
Practice Test
)
2.1: Biological Method (
Practice Test
)
Biological Method
24526 views
More on Biological Method
12596 views
Law, Principles
6279 views
Study of Malaria
7761 views
More Study of Malaria
4085 views
Data Organization and Analysis
5262 views
Chapter 3 Biodiversity (
19 videos
)
  (
Practice Test
)
3.1: Definition And Introduction of Biodiversity (
Practice Test
)
Biodiversity and its Importance
14547 views
3.2: Aims And Principles of Classification (
Practice Test
)
Aims and Basis of Classification
12075 views
Taxonomic Hierarchy
13440 views
Species - The Basic Unit of Classification
3.3: History of Classification (
Practice Test
)
Two Kingdom Classification System
9650 views
Three Kingdom Classification System
7821 views
Five Kingdom Classification System
20175 views
3.4: The Five Kingdoms (
Practice Test
)
Five Kingdom Classification System
20175 views
Basis of Five Kingdom Classification System
More on Five Kingdom Classification System
1829 views
Status of Viruses
9055 views
3.5: Binomial Nomenclature (
Practice Test
)
Binomial Nomenclature
6877 views
3.6: Conservation of Biodiversity (
Practice Test
)
Conservation of Biodiversity, Endangered Species in Pakistan
4067 views
Conservation of Biodiversity
842 views
Conservation of Wildlife
656 views
Reasons for the Conservation of Biodiversity
693 views
Issues and Importance of Conservation of Biodiversity
Deforestation, Soil Erosion
2459 views
Endangered Species
1933 views
Chapter 4 Cells And Tissues (
39 videos
)
  (
Practice Test
)
4.1: Microscope And Emergence of Cell Theory (
Practice Test
)
Light Microscope
12496 views
Electron Microscope
10876 views
4.2: History of The Development of Cell Theory (
Practice Test
)
formulation of Cell Theory
15087 views
Status of Viruses
9055 views
Cell
7353 views
Difference between Prokaryotic and Eukaryotic Cells
13699 views
More Difference Between Prokaryotic and Eukaryotic Cells
6215 views
Difference Between Plant and Animal Cell
2077 views
Cell wall
36672 views
Cell Membrane
24850 views
Application of Knowledge About Semi-Permeable Membranes
1958 views
Diffusion and Facilitated Diffusion
8261 views
Osmosis
6053 views
Water Balance Problems
4147 views
Passive Transport and Active Transport
6121 views
Cytoplasm, Cytoskeleton
17752 views
Nucleus
17830 views
Mitochondria
15515 views
Plastids
13337 views
Endoplasmic Reticulum (ER), Ribosomes
14548 views
Golgi Apparatus and Lysosomes
22182 views
Vacuoles
11106 views
Centrioles
17135 views
4.3: Cell Size And Shape As They Relate To Surface Area To Volume Ratio
Relationship b/w Cell Structure and Function
2541 views
Cell Size and Surface Area to Volume Ratio
4.4: Animal And Plant Tissues (
Practice Test
)
Animal and Plant Tissues
4313 views
Epithelial Tissues (Animals Tissues)
7670 views
Connective Tissues
5051 views
Connective Tissues And Nervous Tissues
Cartilages
6653 views
Bones
10019 views
Muscle Tissues
3625 views
Neuron
639 views
The Nervous System
429 views
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
Chapter 5 Cell Cycle (
15 videos
)
  (
Practice Test
)
5.1: Chromosomes (
Practice Test
)
Gene and Genome, Chromosome, Chromatin
11553 views
Types of Chromosomes
14095 views
Composition of Chromosome
25284 views
5.2: 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
Significance of Mitosis
10862 views
5.4: Apoptosis And Necrosis (Two Ways of Cell Death)
Apoptosis and Necrosis
2655 views
5.5: Meiosis (Reduction Division) (
Practice Test
)
Meiosis-I, Prophase I
13659 views
Meiosis I (Prophase I)
8802 views
Metaphase I, Anaphase I and Telophase I
15853 views
Meiosis-II
7798 views
Significance of Meiosis
8647 views
Comparison of Mitosis and Meiosis
3684 views
Chapter 6 Enzymes (
7 videos
)
  (
Practice Test
)
6.1: Definition (
Practice Test
)
Enzymes
21151 views
6.2: Characteristics of Enzymes (
Practice Test
)
Characteristics of Enzymes
8195 views
Uses of Enzymes
4621 views
Factors Affecting the Rate of Enzyme Action
7365 views
6.3: Mechanism of Enzyme Action
Lock and Key Model
9839 views
Induced Fit Model of Enzyme Action
2579 views
6.4: Specificity of Enzymes
Specificity of Enzymes
6045 views
Chapter 7 Bioenergetics (
21 videos
)
  (
Practice Test
)
7.1: Bioenergetics And Role of ATP (
Practice Test
)
Basic Introduction (Bioenergetics)
10345 views
Oxidation-Reduction Reactions
8855 views
Role of ATP as Energy Currency
11149 views
7.2: Photosynthesis (
Practice Test
)
Photosynthesis
3647 views
More on Photosynthesis
1723 views
Mechanism of Photosynthesis
3167 views
Role of Chlorophyll and Light
8955 views
Light Reaction of Photosynthesis
5894 views
Cyclic Phosphorylation
15873 views
Non Cyclic Phosphorylation
24623 views
More on Dark Reaction
4428 views
Limiting Factors in Photosynthesis
3961 views
7.3: Respiration (
Practice Test
)
Need for Energy in Living Organisms
1942 views
Anaerobic Respiration
9665 views
Types of Fermentation
7026 views
Aerobic Respiration
6500 views
Glycolysis
5679 views
Krebs Cycle
6354 views
Components of Electron Transport Chain
The Energy Budget of Respiration
7883 views
Comparison of Photosynthesis and Respiration
3194 views
Chapter 8 Nutrition (
40 videos
)
  (
Practice Test
)
8.1: Nutrition in Plants (
Practice Test
)
Basic Definitions
3889 views
Autotrophic and Heterotrophic Nutrition
10806 views
Photosynthesis
3647 views
More on Heterotrophic Nutrition, Parasitic and Saprophytic Nutrition
2483 views
Insectivorous Plants and Symbionts
3259 views
Filter Feeders, Fluid Feeders and Macrophagous Feeder
Ingestion and Absorption
Minerals Requirement in Plants
3357 views
Micronutrients and Macronutrients
7599 views
Role of Nitrogen and Magnesium
5172 views
Importance of Fertilizers
4217 views
Carbohydrates
3936 views
Proteins
4718 views
Fatty Acids to Lipids
951 views
Fatty Acids and Glycerol to Lipids
2055 views
Vitamin A
3466 views
Vitamin C and D
2591 views
Water and Dietary Fiber
3963 views
Minerals
1917 views
Role of Calcium and Iron
2659 views
8.2: Balanced Diet Is Related To Age, Sex And Activity (
Practice Test
)
A Balance Diet
2452 views
Food Pyramids
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
Famine
1566 views
8.3: The Digestive System of Human (
Practice Test
)
Digestion in Human
9054 views
Human Alimentary Canal
5890 views
Digestion in Oral Cavity
8759 views
Digestion in Pharynx and Oesophagus
6713 views
Human Digestive System (Stomach and Small Intestine)
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
Role of Liver in Digestion
6945 views
8.4: Disorders of Gut (
Practice Test
)
Diarrhoea and Vomiting
3679 views
Constipation, Ulcer
2885 views
Chapter 9 Transport (
32 videos
)
  (
Practice Test
)
9.1: Transport In Plants (
Practice Test
)
The Need for Transport System
Water in Plants
605 views
Transport of Water
Absorption by Roots
Uptake of Water by Roots and Pathways
3614 views
9.2: Transpiration (
Practice Test
)
Transpiration
4807 views
Opening and Closing of Stomata, Influx of K+ Ions
1837 views
Significance of Transpiration
4220 views
Factors Affecting the Rate of Transpiration
5640 views
9.3: Transport of Water And Food In Stem (
Practice Test
)
Transport of Water
4618 views
Transport of Food
8089 views
9.4: Transport In Animals (
Practice Test
)
General Characteristics of Circulatory System
1216 views
Difference Between Open and Closed Circulatory System
17713 views
9.5: Transport In Man (
Practice Test
)
Blood, Blood Plasma
5759 views
Blood Cells
4336 views
White Blood Cells and Platelets
5143 views
Blood Disorders, Anaemia, Haemophilia
3401 views
Leukemia
1348 views
Thalassemia
1651 views
Human Heart
18062 views
Circulation of Blood Inside Heart
5994 views
More on Structure of Human Heart
2938 views
More on Structure of Human Heart
2229 views
More on Pulmonary Circulation
599 views
More on Systemic Circulation
530 views
Heartbeat
5655 views
Comparison of Arteries, Capillaries and Veins
3363 views
Arterial System
6883 views
Venous System
4938 views
Atherosclerosis and Arteriosclerosis
5897 views
Myocardial Infarction
2775 views
Myocardial Infarction
758 views
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