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Food Sources Plant: Obtained from agriculture Animals: Obtained from animal husbandry Need For Efficiency Of Crops And Livestock The population of India is growing at a faster rate hence more amount of…

Sound is a mechanical energy which produces sensation of hearing. Sound wave propagates as compressions & rarefactions in the medium. Sound is produced due to vibration of different objects. Sound waves…

Work When the force acts on an object or body and the object or body moves or shows displacement, then the force has done some work on the object or…

Gravitation Force between two objects or bodies which attract each other due to their masses Effects of Gravity Free fall When an object falls down towards the earth under the…

Force A force is that physical cause which changes (or tends to change) either the size or the shape or the state of rest or of motion of the body…

Motion: Moving Of Body/object Newton’s First Law of Mot ion Body continues its state of rest or of uniform motion in a straight line unless an external force acts on…

A group of cells that are similar in structure and/or work together to achieve a particular function forms a tissue. Plant Tissues Meristematic Tissue(Immature cells capable of divisions) ➥ Apical Meristem (Present…

1. Cell Smallest structural and functional unit of life. Discovery of cell and its componentsCell theoryTypes of cells on basis of organizationTypes of organisms on basis of number of cellsRobert…

Charged Particle In Matter ElectronProtonNeutronNegatively charged sub-particles of atom is called electron.Positively charged sub-particles of atom is called proton.Neutral sub-particles of atom is called electron.An electron is represented as ‘e–’A…