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Structure of The Atom Thomson’s Model of an Atom Thomson proposed that: Rutherford’s Model of an Atom Conclusions drawn from the α-particle scattering experiment Drawbacks of Rutherford’s model of the atom Neutrons Atomic Number Mass Number Isotopes Applications of Isotopes…
Human Health and Disease for UPSC aspirants Human health is the state of complete physical, mental, and social well-being. Health increases productivity and ensures longevity. What is Human Health? Ways to Ensure Good Health Why do Diseases Occur? Common Diseases…
Class 9 > Biology> The Fundamental Unit of Life > PowerPoint PPT You can download the PowerPoint presentation (PPT) of the chapter “The Fundamental Unit of Life” from here. I used this ppt in my class and students can use…
Nucleus Chromosomes Nucleotide & Nucleoside Nucleic Acids DNA & RNA Comparison of DNA and RNA S.No. DNA RNA 1. Deoxyribonucleic acid Ribonucleic acid 2. It occurs inside the nucleus of cell and some cell organelles but it plants it is…
Please download the PowerPoint presentation (PPT) of the chapter "Motion" from here. I used this ppt in my class and students can use this ppt as a short note on the topic "Motion"
Please download the PowerPoint presentation (PPT) of the chapter "Is Matter Around Us Pure?" from here. I used this ppt in my class and students can use this ppt as a short note on the topic Is Matter Around Us Pure?
A brief note on Nanotechnology Introduction Why is nanoscale so significant? Nanomanufacturing There are two ways to manufacture nanomaterials: A. Top-Down Approach B. Bottom-Up Approach Generations of Nanotechnology Nanotechnology is divided mainly into four generations which also gives a road map for…
Reproduction in Animal Sexual Reproduction Internal & External Fertilization Asexual Reproduction
The Cell – basic unit of life Robert Hooke Discovered & coined the term cell in 1665 Robert Brown Discovered Cell Nucleus in 1831 Schleiden & Schwann Presented the cell theory, that all the plants & animals are composed of…
