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STRUCTURE OF CHROMOSOMES, CELL CYCLE AND CELL DIVISION
AKS
DNA and RNA Explained
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…
Motion Class 9 CBSE PPT
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"
Is Matter Around Us Pure? ppt
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?
Nanotechnology: A Brief Note 2024
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 Animals
Reproduction in Animal Sexual Reproduction Internal & External Fertilization Asexual Reproduction
The Cell
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…
Carbon and Its Compounds
Chapter 4: Carbon and Its Compounds Introduction: Two or more elements combine to form a compound. There are two types of compounds: Organic Compounds and Inorganic Compounds. Organic compounds are made up of carbon and hydrogen (generally known as hydrocarbons)…
Chemical Reaction and Equations
Chapter 1: Chemical Reactions and Equations Introduction Occurrence of a chemical reaction? Question: What helps us to determine whether a chemical reaction has taken place? Answer: Any of the following observations helps us to determine whether a chemical reaction has…
How do organisms reproduce?
Class 10 Chapter 6: How do Organisms Reproduce Introduction Do organisms create exact copies of themselves? Different types of Reproduction Asexual Reproduction It is a mode of reproduction involving a single parent. There are different modes of asexual reproduction- Fig.1.…