bad biology

Deposition of many agricultural chemicals in the underground layers of soil has disturbed the normal activities of soil including weathering and leaching. Water movement is badly affected in some soils, while in many irrigated soils, water table is built up to set in great change in chemi..

Soil pollution refers to addition of solid and liquid wastes to soil creating imbalance in its natural composition and functions. Both in rural and urban areas, the soil is being subjected to incessant pollution. Because, it is being forced to receive the pollutants from human activities. Due to th..

Each crop has a large number of enemies in the form of insects, fungi, bacteria, weeds, rodents, mites etc unless they are controlled effectively, the crop yields would suffer very badly. To effectively control them, pesticides were recommended to be use..

Nutritional disorders occur due to malnutrition. Malnutrition refers to bad nutrition and can therefore be applied to both undernourishment and overeating. Undernourishment is a serious problem in developing countries with a large population being deprived of a balanced diet or even..

Nutritional Disorders - Nutritional disorders occur due to malnutrition. Malnutrition refers to bad nutrition and can therefore be applied to both undernourishment and overeating. Undernourishment is a serious problem in developing countries with a large population being deprived of a bal..

Pollution of water is a broad subject dealing with different types of pollutants entering the hydrological cycle. Surface flowing river water, underground water and vast sea water are included in a broad subject of water pollution. Out of them, drinking water pollution is most important, as such a ..

Science is a Way of Life - Science is the hallmark of progress in the realm of naturally occurring matter and energy. It is the way one has to get at the truth or at least, as close to the truth as possible. WHAT is Science? * Science is a human endeavour * Science is an interaction of human mind w..

Accumulation of wastes due to its improper disposal is a major problem in our country. The recent Surat plague epidemic is an indication. Population in India has been growing at the rate of 1.7%. With this increase, there has also been an increase in the amount of wastes being produced especially i..

. This zone is called troposphere. Therefore, at higher altitudes, some of us find it difficult to breathe. Above the troposphere is the stratosphere. This zone is rich in ozone. Hence, it is also called ozonosphere. In ozonosphere, the sunlight converts oxygen to ozone by photochemical dissolution..

. Persistence in human and animal bodies. Some persistent pesticides such as DDT, aldrin, BHC, dieldrin, heptachlor and other organo chlorine chemicals have dangerously persisted and accumulated in human and animal bodies - causing innumerable health hazards. They are not subjected to excretion in ..