Class 9 > SCIENCE
1.1. Introduction to the Branches of Science and Their Interrelationship, Achievement and Challenges
1.2. Scientific Measurement and Scientific Notation, Least Count
2.1. Binomial System of Nomenclature
2.2. Five Kingdom System and Characters (Only)
3.1. Introduction and Structure of Mushroom
3.2. Life Cycle of Mushroom
3.3. Cultivation and Storage of Mushroom
4.1. Introduction, Evidences of Organic Evolution - Part 1
4.2. Introduction, Evidences of Organic Evolution - Part 2
4.3. Theories of Evolution: Lamarkism
4.4. Theories of Evolution: Darwinism
4.5. Mutation
5.1. Plant Tissue: Meristematic Tissue
5.2. Plant Tissue: Permanent Tissue - Part 1
5.3. Plant Tissue: Permanent Tissue - Part 2
5.4. Animal Tissue
5.5. Human Nervous System Part 1
5.6. Human Nervous System Part 2
5.7. Reflex Action
5.8. Glandular System and Plant Hormones
6.1. Ecosystem, Biotic and Abiotic Components
6.2. Terrestrial and Aquatic Ecosystem
6.3. Food Chain and Food Webs
6.4. Interrelation Among Living Beings
7.1. Graphs to Show the Relation Between Various Physical Quantities
7.2. Inertia and Its Types
7.3. Laws of Motion and Numerical
7.4. Elasticity and Plasticity
8.1. MA, VR and Efficiency of Pulley, Inclined Plane, Wheel and Axle
8.2. MA, VR and Efficiency of Screw and Wedge, Compound Machine
9.1. Types of Energy and Solar Energy
10.1. Wave and Their Types
10.2. Types of Wave and Reflection of Sound
11.1. Electric Current, EMF and PD
11.2. Resistance, Ohm's Law and Factors Affecting - Part 1
11.3. Resistance, Ohm's Law and Factors Affecting - Part 2
11.4. Types of Combination of Resistors
12.1. Units Used to Measure the Distance, Life Cycle of Star
12.2. International and National Agencies Involved in Astrology
13.1. Artificial Satellite and Its Application, Internet and Online Security
14.1. Structure of Atom, Bohr's Atomic Model
14.2. Ion Formation and Chemical Bond
14.3. Concept of Radical, Molecular Formula and Molecular Weight
14.4. Radioactive Elements and Radioactivity
15.1. Reactant, Product and Chemical Equation and Balancing
15.2. Types of Chemical Reaction and Its Importance
16.1. Lab Preparation, Physical & Chemical Properties & Uses of Hydrogen Gas
16.2. Laboratory Preparation, Physical and Chemical Properties and Uses of Oxygen Gas
16.3. Ozone Layer and Ozone Layer Depletion
16.4. Laboratory Preparation, Physical and Chemical Properties and Uses of Nitrogen Gas
17.1. Physical and Chemical Properties of Metal and Non-Metal
17.2. Useful and Harmful Metals, Their Sources and Effects
18.1. Carbon: Allotropes of Carbon and Physical Properties
18.2. Chemical Properties of Carbon and Concept of Organic and Inorganic Compounds - Part 1
18.3. Chemical Properties of Carbon and Concept of Organic and Inorganic Compounds - Part 2
19.1. Fertilizer, Their Types, Examples and Uses
19.2. Insecticides and the Types, Conservation of Soil
Theories of Evolution: Lamarkism
Join the discussion
Add a comment
Recent Comments