Metals and Non-metals

Metal   In chemistry, a metal is an element that readily forms positive ions (cations) and has metallic bonds. Metals are sometimes described as a lattice of positive ions surrounded by a cloud of delocalized electrons. The metals are one of the three groups of elements as distinguished by their ionization and bonding properties, along … Read more

Fundamental unit of life-Cell

  Objects having characteristics of cellular organization, growth, reproduction, ability to sense environment and give response are living organisms. There are some important features of living organisms: It should grow, which means its structure changes as time goes by in an advantageous manner. It should show adaptation to the environment. It should maintain some balanced … Read more

Electricity and Magnetism

Current Electricity Electric current is the rate of flow of electric charge through a conducting medium with respect to time. It is caused by drift of free electrons through a conductor to a particular direction.Charges in motion constitute an electric current. Such currents occur naturally in many situations. Lightning is one such phenomenon in which … Read more

Contribution of Indians in science and technology

Get Complete Prelims PDF Checkout Added to cart Contribution of Indians in science and technology This list of Indian inventions and discoveries details the inventions, scientific discoveries and contributions of ancient and modern India, including both the ancient and medieval nations in the subcontinent historically referred to as India and the modern Indian state. It … Read more

Nanotechnology

Get Complete Prelims PDF Checkout Added to cart Nanotechnology relates to the technology of rearranging and processing of atoms and molecules to fabricate material to Nano specifications such as nano meters, the technology will enable scientist and engineers to see and manipulate matter at the molecular level atom by atom create new structure with fundamentally … Read more

Environment protection laws, Policies and regulatory framework

Get Complete Prelims PDF Checkout Added to cart The Environment Protection Act is an important legislation that provides for coordination of activities of the various regulatory agencies, creation of authorities with adequate powers for environmental protection, regulation of the discharge of environmental pollutants, handling of hazardous substances, etc. The Act provided an opportunity to extend … Read more

Solid Waste Management

Get Complete Prelims PDF Checkout Added to cart Solid Waste Management; Types of Solid waste Management; Factors affecting Solid Waste Generation Solid Waste Management Solid waste management is basic public services which every citizen should have access to, both for health and hygiene, and for ensuring a good quality of living. Sanitation here refers to … Read more

Waste Water Management

Get Complete Prelims PDF Checkout Added to cart Waste Water Management Water, food and energy securities are emerging as increasingly important and vital issues for India and the world. Most of the river basins in India and elsewhere are closing or closed and experiencing moderate to severe water shortages, brought on by the simultaneous effects … Read more

Liberalization

Get Complete Prelims PDF Checkout Added to cart The leading economists of the country differ in their opinion about the socioeconomic and ecological consequences of the policy of liberalisation.Liberalization has led to several positive and negative effects on Indian economy and society. Some of the consequences of liberalisation have been briefly described here: 1. Increase … Read more

Infrastructural development and issues

Get Complete Prelims PDF Checkout Added to cart Advance Infrastructure Good quality infrastructure is critical to sustainable growth, especially for rural areas. As over 60 per cent of the population lives in rural areas, with low levels of per capital income, there is need to impart greater attention in improving rural infrastructure. Currently the rural … Read more

error: Content is protected !!
Exit mobile version