Category Biology

Human Health and Disease

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…

The Fundamental Unit of Life PowerPoint ppt

the fundamental unit of life

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…

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…

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.…

Common Diseases in Humans

The disease is a condition of disturbed functioning of the body caused by infection, defective diet, heredity, environment, or deprived condition of the brain. Health is a state of complete physical, mental, and social well-being. Health is described as the state of complete physical,…

Heredity and Evolution: Genetics

Introduction In biology, any differences between cells, individual organisms, or groups of organisms of any species either by genetic difference or by the effect of environmental factors on the expression of the genetic potential, are termed as variations. Variations may…