Yes. Biochemical oxygen demand (BOD) used to measure the amount of organic pollutant in water. Biochemical oxygen demand (BOD) is a biological... View Article
The basis of an ecological pyramid is biomass, energy and number. Depending on the factors, there are three types of ecological pyramids. They... View Article
A layer present in the upper atmosphere forms a distinct layer, which is called the ozone layer. This layer acts as a protective shield by... View Article
No. Phenyl is not used for disinfection of drinking water. For disinfection of drinking water, water is either chlorinated with chlorine or... View Article
Yes. Carboxyhemoglobin is dangerous. Carboxyhemoglobin is produced by the binding of carbon monoxide (CO) to hemoglobin. It is also called carbon... View Article
Fluoride pollution results in the presence of excessive fluoride in water, which adversely affects the health of an individual. Fluoride is an... View Article
Yes. Fluorosis is a disease caused by an excessive intake of fluoride It is a crippling disease, which results from deposition of fluorides in... View Article
ODS refers to Ozone depleting substances. ODS are chemicals that destroy the earth’s protective ozone layer, which are released by jets... View Article
Cutting of trees and decrease in forest areas across the world by human activities refers to deforestation. Deforestation will affect lives in... View Article
Yes. Minerals and metals are non-renewable resources. Both minerals and metals are valuable, essential and important resources. These are called... View Article
The gaseous pollutants are defined as the pollutants produced from combustion, which results in variations in atmospheric composition. The common... View Article
There are different types of waste (biodegradable and non biodegradable wastes) and based on the types wastes are segregated and are decomposed.... View Article
Carbon dioxide (CO2) is the primary greenhouse gas . Other gases, responsible for global warming include: Methane (CH4) Nitrous oxide (N2O)... View Article
Global warming is similar to the greenhouse effect. Global warming refers to the phenomenon caused by the increase in the concentration of carbon... View Article
The main source of aerosols includes both natural and from man made. The sources include: Volcanic ashes Burning of biomass Smoke from forest... View Article
Cleistogamy is a type of automatic self-pollination of certain plants. This is a form that is used to propagate plants by using self-pollinating... View Article
The process of spread of desert or a type of land degradation which is mainly caused due to degradation of environment, which includes cutting of... View Article
There are various steps to be followed to conserve our precious topsoil. These include: Reforestation Crop Rotation Plantation of trees Proper... View Article
Soil is the top cover of the earth in which plants can grow. Crop rotation or rotation of crops, helps in maintaining the fertility of soil. Also... View Article
