Important Points 1. Reproduction It is the process by which organisms produce their own kind. Importance of Reproduction: Reproduction enables the continuity of the species, generation after generation. Basic Event […]
Chapter-6 Control and Coordination
Hard
200 mins
Important Points 1. Movements Movement is an attempt by living organisms to use changes in their environment to their advantage: Plants grow to get sunshine. Buffaloes chew cud to enable […]
Chapter-5 Life Processes
Easy
150 mins
Important Points 1. Life processes All the processes like respiration, digestion, which together keep the living organisms alive and help in maintaining the functions of the body, are called life […]
Old Syllabus Chapter-5 Periodic Classification of Elements
Hard
250 mins
Important Points 1. Periodic classification primitive attempts At present, 118 elements are known to us. All these have different properties. Out of these 118, only 98 are naturally occurring. These […]
Chapter-4 Carbon and its Compounds
Hard
200 mins
Important Points 1. Carbon element Carbon (from Latin carbo 'coal') is a chemical element; it has symbol C and atomic number 6. It is nonmetallic and tetravalent—meaning that its atoms […]
Chapter-3 Metal & Non-metals
Hard
200 mins
Important Points 1. Element Element is the simplest form of matter which contains one kind of atoms. About 118 elements are known today. There are more than 90 metals, 22 […]
Chapter-2 Acids, Bases and Salts
Hard
200 mins
Important Points 1. Acids and Bases An acid may be defined as a chemical substance that releases one or more H+ or HsO+ ions in an aqueous solution. For example, […]
Important Points Chemical reaction: The reaction in which the original state of the particles changes and it cannot be reversed by simple physical means, is known as a chemical […]
L-5 Arithmetic Progression
Hard
200 mins
Objectives: Learning outcome, The learner will be able to understand, define and solve problems based on Arithmetic Progression. Important Points, We have observed many things in our daily life, […]
L-4 Quadratic Equations
Hard
200 mins
Objectives: Learning outcome, The learner will be able to understand, define and solve problems based on Quadratic Equations. Important Points, Quadratic Equation: A quadratic equation in the variable x […]
