Environmental Issues - CBSE Notes for Class 12 Biology ​NCERT SolutionsMathsPhysicsChemistryBiologyScience​ Pollution, Solid and Radioactive Wastes: 1. Pollution is an undesirable change'in the physical, chemical and biological characteristics of air, water, land and soil. (i) Pollutants are agents that cause undesirable change in the environment. (ii) The Government of … [Read more...]

Molecular Basis of Inheritance - CBSE Notes for Class 12 Biology ​NCERT SolutionsMathsPhysicsChemistryBiologyScience​ The DNA and RNA World: 1. Over the years after Mendel, the nature of the genetic material was investigated, resulting in the realisation that DNA is the genetic material in majority of organisms. 2. Deoxyribonucleic acid (DNA) and Ribonucleic acid (RNA) … [Read more...]

Organisms and Populations- CBSE Notes for Class 12 Biology CBSE NotesCBSE Notes BiologyNCERT Solutions Biology Organisms and Its Environment: 1. Ecology is the branch of biology, which studies the interactions among organisms and their physical (abiotic) environment. 2. The subject ecology is basically concerned with four levels of biological organisation. These are … [Read more...]

Biotechnology and Its Applications- CBSE Notes for Class 12 Biology ​NCERT SolutionsMathsPhysicsChemistryBiologyScience​ Biotechnological Applications in Agriculture and Medicine: 1. Biotechnology essentially deals with industrial scale production of biopharmaceuticals and biologicals. The applications of biotechnology include therapeutics, diagnostics, genetically … [Read more...]

Reproductive Health - CBSE Notes for Class 12 Biology ​NCERT SolutionsMathsPhysicsChemistryBiologyScience​ Reproductive Health Problems and Strategies: 1. Reproductive health simply refers to healthy reproductive organs with normal functions. According to the World Health Organisation (WHO), reproductive health means a total well-being in all aspects of reproduction, i.e. … [Read more...]