Important
Topics
Topic 35
Ozone Depletion and Global Warming
The gradual continuous increase in average temperature of surface of the Earth...
Topic 34
Pollution - Types and Causes
Pollution is defined as an undesirable change in physical, chemical or biological...
Topic 33
Conservation of Biodiversity
The occurrence of different types of genes, gene pools, species, habitats...
Topic 32
The Evil-Quartet
There are four major causes of biodiversity loss. These are also known as 'The Evil Quartet'.
Topic 31
Nutrient Cycles
The movement of nutrient elements through various components (abiotic and biotic)...
Topic 30
Decomposition Process
The process of breaking down complex organic matter into inorganic...
Topic 29
Population Interactions
Interspecific interactions are interactions of populations of two different species.
Topic 28
Population Density
population is defined as the total number of individuals of a species in a specific...
Topic 27
Transgenic Animals
Animals whose DNA is manipulated to possess and express an extra (foreign)...
Topic 26
Recombinant DNA Technology
Isolation of DNA, Fragmentation of DNA by restriction endonucleases...
Topic 25
Gel Elctrophoresis
Gel electrophoresis is a technique for separating DNA fragments based on...
Topic 24
Sewage Treatment Plant
Sewage is treated in sewage treatment plants (STPs) to make it less polluting before...
Topic 23
Microbes and their significance
Lactobacillus and Lactic acid bacteria - Convert milk into curd.
Topic 22
Plant Breeding Programme
Earlier methods of plant breeding involved crossing or hybridizing pure lines...