Cooking improves natural flavour and texture of food. For example roasting groundnuts, frying onions and papads, cooking rice and roasting coffee seeds improve the flavour.
What are the main objectives of cooking?
How to prepare good coffee?
The control of method in order to avoid loss of flavour substances.
Five Crucial Features of the Industrial World which Separate it from the Agrarian World
The industrial society, when it was finally established in some pockets of the world, was found to be just the opposite of the agrarian society in very fundamental ways.
What are the various methods of disposal and recycling of municipal and biomedical solid waste?
The marine ecosystem consists of seas, oceans and estuaries. Although it is very vast but it interacts with human life in various ways the oceans are used for navigation, fisheries, aquaculture, and acquisition of water, naval and military exercises. It is also used for discharge and dumping of variety of wastes.
Radiation hazards and its impact on human health
There is no control on natural sources of radiation but earnest efforts can be made to decrease the level of pollution from anthropogenic sources. Preventive measures from radiation can be achieved by following the measures mentioned as follows:
What are Biofertilzers and how do they benefit plants
Biofertilizer is the biologically active products or microbial inoculants of bacteria, algae and fungi, which may help biological nitrogen fixation for the benefit of plants.
What is Carbon monoxide and how it is harmful for the environment
A colourless, odourless, inflammable, toxic gas present in large quantities in the waste water from mined gases, especially in exhaust fumes from motor vehicles. This is the pollutant which is mostly produced by mankind, who generates more than 70% of its total volume. The toxic effect of carbon non oxide arises from the fact that […]
High performance liquid chromatography (HPLC)
High performance liquid chromatography (HPLC) has become a standard and routine method for separation and concentration of analyses. An HPLC system consists of a solvent reservoir, high pressure pumps, sample injection port, separation column, detector, and recorder units. HPLC is the result of attempts to increase the efficiency of liquid chromatography to the same level […]
Sample Passage with questions and answers
Read the passage below and answer the questions that follow based on your understanding of the passage:
50 Objectives type questions on environmental science
1. Which of the following statement about Fjord is incorrect?
What are the major sources of air pollutants?
The emissions of air pollutants depend upon the method of combustion and the type of fuel used. The combustion of all fuels results in exothermic oxidation of carbon, hydrogen, sulphur and nitrogen. In case of complete combustion, carbon dioxide, water vapour, nitrogen oxides, volatile and non-volatile trace metals such as Arsenic, Cadmium, Lead and Mercury […]
Use of bio fertilizers in agriculture
Biofertilizer is the biologically active products or microbial inoculants of bacteria, algae and fungi, which may help biological nitrogen fixation for the benefit of plants. Biofertilizers also include organic fertilizers (manures, etc.), which are rendered in an available form due to the interaction of microorganisms or due to the interaction of micro-organisms or due to […]
Short notes on Plastic waste management
Plastic waste management is a collective term for various approaches and strategies used to recycle plastic materials that would otherwise be dumped into landfills, or bodies of water, or otherwise contaminate the environment.
What are Ecological successions and their types
Every community undergoes a series of changes until a group in the area. This is called biotic succession. Succession is a sequence of changes in time of the species which inhabit an area from an initial pioneer community to a final climax community. In other word, the development of community by the action of vegetation […]
A short moral story on Kindness never goes unrewarded
Once there lived a lion in Gir Forest. He lay asleep one day. A little mouse came out of its hole and jumped on the body of the mighty lion. The lion opened his eyes and caught the mouse in his paw.
A short moral on Don’t live without work or you will go without food
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