Notes and Study material for Exams
–2/”>a >DOCTYPE html PUBLIC “-//W3C//DTD XHTML 1.0 Transitional//EN” “http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd”> is defined as the movement of Oxygen from the outside Environment to the cells within Tissues, and the transport of carbon dioxide in the opposite direction. The physiological definition of respiration is differs from the biochemical definition, which refers to cellular respiration, a metabolic process by … Read more
States of Matter Solids are formed when the attractive forces between individual Molecules are greater than the energy causing them to move apart. Individual molecules are locked in position near each other, and cannot move past one another. The atoms or molecules of solids remain in motion. However, that motion is limited to vibrational energy; … Read more
Preparation of Oxygen Oxygen Oxygen is prepared in lab generally in two ways either by the application of heat or no application of heat. Using heat: Oxygen in lab is prepared by heating the mixture of powdered potassium chlorate and manganese dioxide in the ratio 4:1 in a hard glass test tube. The oxygen gas … Read more
First World War Background It was a result of growing inter-imperialist rivalries, growing chauvinism, antagonism and conflicts within Europe, formation of alliances and secret pacts, growing militarization, feverish preparations for war, were some of the marked features that harbingered war. There had been a number of crises which were temporarily resolved, but led to deep … Read more
Geo-political and Strategic development in west Asia and impact on india Geopolitically, West Asia is the most important region of the world. The strategic geographical location of the West Asia has made the region from ancient times the centre of world focus among nations and Empires as they tried to control over the trade route … Read more
Respiratory System Introduction Red blood cells are like trucks that transport cargo on a highway system. Their cargo is Oxygen, and the highways are blood vessels. Where do red blood cells pick up their cargo of oxygen? The answer is the lungs. The lungs are organs of the respiratory system. The respiratory system is the … Read more
National Energy Policy There are four key objectives of National energy policy: Access at affordable prices,Improved security and Independence, Greater Sustainability and Economic Growth. Considering POVERTY and deprivation in India, access to energy for all at affordable prices is of utmost importance. We are yet to provide electricity to nearly 304 million people, and clean … Read more
Kinetic theory of gases The kinetic theory describes a gas as a large number of submicroscopic particles (atoms or Molecules), all of which are in constant rapid motion that has randomness arising from their many collisions with each other and with the walls of the container. According to kinetic theory of gases, the molecules of … Read more
Azerbaijan Armenia conflict The Caucasus is a strategically important mountainous region in south-east Europe. For centuries, different powers in the region – both Christian and Muslim – have vied for control there. Modern-day Armenia and Azerbaijan became part of the Soviet Union when it formed in the 1920s. Nagorno-Karabakh was an ethnic-majority Armenian region, but … Read more
Electric discharge in gases Electrical discharge through gases is studied by using a specially designed glass tube commonly called as a discharge tube. It consists of a cylindrical glass tube having a side tube, and two metallic electrodes one at each end. These electrodes can be connected to the respective terminals of a … Read more