Science

It refers to the elimination/removal of metabolic wastes from the body. There are four major organs of excretions : kidney, lungs, skin and the liver. Out of these four organs kidneys are the primary excretory organs that eliminate metabolic waste products in the form of urine. The major functions of urine are: Excretions of wastes … Read more

Electromagnetic waves or EM waves are waves that are created as a result of vibrations between an electric field and a magnetic field. In other words, EM waves are composed of oscillating magnetic and electric fields.   Properties of electromagnetic waves: EM waves are composed of oscillating electric and magnetic fields at right angles to … Read more

The nitrogen cycle is a complex biogeochemical cycle in which nitrogen is converted from its inert atmospheric molecular form (N2) into a form that is useful in biological processes. The Nitrogen cycle contains various stages: Nitrogen fixation: Inert form of Nitrogen is fixed and converted into organic form in a process called nitrogen fixation. Most … Read more

The element carbon is a part of seawater, the atmosphere, rocks such as limestone and coal, soils, as well as all living things. On our dynamic planet, carbon is able to move from one of these realms to another as a part of the carbon cycle. It is one of the important cycle of atoms … Read more

The set of the agreement by the BCBS (BASEL COMMITTEE ON BANKING SUPERVISION), which mainly focuses on risks to banks and the financial system are called Basel accord.  The purpose of the accord is to ensure that financial institutions have enough capital on account to meet the obligations and absorb unexpected losses.  India has accepted … Read more

a) Green Climate fund: It is a fund within the framework of the UNFCCC founded as a mechanism to assist developing countries in adaptation and mitigation practices to counter climate change. It was established in COP 16, held in Cancun. The GCF  is based in the Incheon, South Korea IPCC:   It is the leading … Read more

A) Emission trading: Emission trading is a market based approach to control pollution. In this a set of quota is set as limitation on the amount of carbon that can be emitted. If the entity exceeds the quota it has to buy from a seller which has emitted less quantum of carbon than the prescribed … Read more

Delhi has become a smoke chamber in the recent past especially in winters. The changes in temperature  and slowing wind traps soot, dust fine and particulate matter. The reasons for air pollution are as follows: Burning of agricultural residue in Punjab and harayana. Farm stubble burning. This reason got aggravated because of the use of … Read more

Disease is a condition that impairs the proper functioning of the body or its parts. A disease can be defined as: Any deviation from normal functioning or state of complete physical and mental well being. Types of diseases: The human diseases are broadly classified into following four categories: Acute diseases Chronic diseases Congenital diseases Acquired … Read more

  What is biofortification? Ans:          Biofortification is the process of breeding crops with higher levels of vitamins and minerals, or higher protein and healthier fats. Breeding for improved crops with higher levels of vitamins and minerals, or higher protein and healthier fats. Breeding is done with the objective of improving protein content and quality. Oil … Read more