Biodiversity and Conservation - CBSE Notes for Class 12 Biology CBSE NotesCBSE Notes BiologyNCERT Solutions Biology Biodiversity: 1. Biodiversity can be defined as the occurrence of different types of genes, gene pools, species, habitats and ecosystem in a given region. (i) The term biodiversity was given by a socio biologist Edward Wilson to describe the combined … [Read more...]
Environmental Issues – CBSE Notes for Class 12 Biology
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...]
Organisms and Populations- CBSE Notes for Class 12 Biology
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...]
Ecosystem – CBSE Notes for Class 12 Biology
Ecosystem - CBSE Notes for Class 12 Biology NCERT SolutionsMathsPhysicsChemistryBiologyScience Ecosystem—Structure and Function,- Productivity and Decomposition: 1. An ecosystem is a functional unit of nature, where living organisms interact among themselves and also with the surrounding physical environment. The word ‘Ecosystem’ was coined by Sir AG Tansley (1935). 2. … [Read more...]
Biotechnology: Principles and Processes – CBSE Notes for Class 12 Biology
Biotechnology: Principles and Processes - CBSE Notes for Class 12 Biology CBSE NotesCBSE Notes BiologyNCERT Solutions Biology Principles of Biotechnology and Tools of Recombination DNA Technology: 1. Biotechnology can be defined as the use of microorganisms, plants or animal cells or their components to produce products and processes useful to humans. According to the … [Read more...]