1. Each organism is different from all other organisms. 2. In this activity, we decide which characteristics (we can run, but the Banyan tree can’t run is a characteristic) are important in forming the...

1. Tissue is a group of cells having similar origin, structure& function. Study of tissues is called Histology 2. In unicellular organism (Amoeba) single cell performs all basic functions, whereas in multi-cellular...

1. All the living organisms are made up of fundamental unit of life called” cell”. 2. The cell is a Latin word for “a little room”. 3. The scientist Robert Hooke saw a little room in the cork (the bark of a tree)...

Contribution to the Atomic theory Timeline • More than 2400 years ago, he named the smallest piece of matter “ATOMOS ,” meaning “not to be cut.” To Democritus, • Atoms were small, hard particles that were...

1.Laws of Chemical Combination Verification of “Law of Conservation of mass” A solution of sodium chloride and silver nitrate are taken separately in the two limbs of an 'H' shaped tube. The tube is sealed and...

1. Pure Substance & mixture PURE SUBSTANCE MIXTURE • Pure substance consists of a single type of substance . • Mixture consists of two or more pure...

Particle Nature of Matter Anything that occupies space and has mass and is felt by senses is called matter. Matter is the form of five basic elements the Panch tatva – air , earth ,fire , sky and water. Characteristics of particles of...

Medicines or Drugs Chemicals which may be used for the treatment of diseases and for reducing the suffering from pain are called medicines or drugs. The branch of science which makes use of chemicals for the treatment of disseases [therapeutic...

Biomolecules are the organic compounds which form the basis of life, i.e., they build up the living system and responsible for their growth and maintenance. The sequence that relates biomolecules to living organism is Biomolecules →...

The word polymer has a Greek origin. which means many units (parts). Polymer is defined as a chemical substance of a high molecular mass formed by the combination of a large number of simple molecules, called monomers....