CBSE Class 10 Science

Management of natural resources

Class X: Biology Chapter 16: Management of natural resources 1) The natural resources like water, soil, fores…

Our environment

Our environment 1) Our environment is composed of various biotic and abiotic factors which interact with each…

Sources of Energy

Sources of Energy 1. A windmill is a simple machine that works with the energy of the wind. The windmill can …

The Human Eye and the Colorful World

11 The Human Eye and the Colorful World 1. Human eye is a valuable sense organ. Its various parts and the res…

Heredity and Evolution

Chapter 8 Heredity and Evolution 1) Variations arise during the process of reproduction. They may be few in a…

How do organisms reproduce?

Chapter 8 how do organisms reproduce 1) Reproduction is the biological process by which new individuals of th…

Control and coordination

Control and coordination 1) A system of control and coordination is essential in living organisms so that the…

Life Processes

Life Processes class 10 science 1) The ability to perform the basic life processes distinguishes a living org…

Periodic Classification of Elements

Class: X Chapter Name: Periodic classification of elements Dobereiner’s triads: Johann Wolfgang Dobereiner, a…

Carbon and its Compounds

Class:X Chemistry Chapter 4 Carbon and its compounds 1. Covalent bond: A covalent bond is a bond formed by sh…

Metals and Nonmetals

Class: X Chemistry Chapter 3 Metals and Non – metals The elements which have intermediate properties between …

Acids, Bases and Salts

Class: X Chemistry Chapter 2 Acids, Bases and Salts  On the basis of origin, acids are classified as: a. Or…

Chemical reactions and equations

Class: X Chemistry Ch.1: Chemical reactions and equations Chemical reaction: A chemical reaction involves a…

Electricity

Class X: Physics Chapter 3: Electricity 1. Electric current is the rate of flow of charge. 2. Battery provide…

Sources of Energy

Class X: Physics Chapter 14: Sources of Energy 1.A windmill is a simple machine that works with the energy o…

Magnetic Effects of Electric Current

Class X: Science Chapter 13: Magnetic Effects of Electric Current 1. A compass needle behaves as a small ma…

The Human Eye and the Colourful World

Class X: Science Chapter 11: The Human Eye and the Colourful World Human eye is a valuable sense organ. Its …

Light- Reflection and Refraction

Class X: Physics Chapter 10: Light- Reflection and Refraction Key learnings: 1. When light falls on a body, …

Class 10 Science Modal Paper

Paper 1 English Medium  List two difference between a cquired and inherited  traits. Explain why Danger signa…

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