1. CBSE Class 8th Cell – Structure and Functions

    January 16th, 2021 by

    What is a cell? Discovered by Robert Hooke in 1665 after observing cork under a microscope, the cell forms the basic unit of an organ. Although Hooke discovered dead cells, living cells were discovered a lot later. Depending on the number of cells, an organism can be multicellular (number of cells) or unicellular (single- celled). […]

  2. CBSE Class 10th & 12th Structural Isomers

    January 13th, 2021 by

    In actual form, a lot many molecules are aligned differently than what appears to be the case from their chemical formulae. These are the compounds that have the same molecular formula but different molecular structure. Theoretically, all the compounds can have structural isomers. This phenomenon is also known as isomorphism. Usually, the isomers have a […]

  3. CBSE Class 10th &12th Human Eye Structure

    January 12th, 2021 by

    We are able to see the objects through the reflection, refraction of light. The human eye has a natural lens which allows the light to enter and the images to form.  Like a regular pair of spectacles, our eyes also use a lens to adjust the focus and produce clear images. But have you ever […]

  4. CBSE Class 10th Energy – Sources, Types, Improvements

    January 11th, 2021 by

    From the advent of the universe till its annihilation, everything is more or less, energy in different forms. Energy can neither be created nor be destroyed, it can only be transformed from one form to another. Yet, we celebrate World Energy Conservation Day to spread awareness against its misuse. Why? All energy forms are not […]