August 04, 2020
Water is essential for survival of all living beings. Although sea water is the largest natural source of water, it is unfit for domestic use and drinking. Decantation, filtration, chlorination and boiling are some of the steps that convert non potable water into potable water.
Read more ...August 02, 2020
Air is a mixture of different gases. It contains oxygen, Nitrogen, Argon, Carbon dioxide and traces of some inert gases. It also contains water vapour.
Read more ...July 31, 2020
Features passed down from one generation to the other is Heredity or Inheritance. Genes control heredity. Differences in features of individuals of the same species is variation.
Read more ...July 29, 2020
Giving rise to offspring of one’s own kind is called Reproduction. Reproduction is a means for continuance of species. It is a characteristic of all living beings.
Read more ...July 27, 2020
Nervous system (NS) and endocrine system together ensure that all the parts of the body work in a controlled and coordinated manner. NS includes brain, spinal cord, sense organs and nerves.
Read more ...July 25, 2020
Excretion is the removal of harmful wastes like urea by kidneys, sweat from skin and CO2 by lungs.
Read more ...July 23, 2020
Blood transports food and oxygen to all the cells of the body. It is made of fluid plasma and cells. Plasma which transports glucose, enzymes and hormones to cells, carries waste material from liver to kidneys for removal.
Read more ...July 21, 2020
Respiration provides O2 to cells for energy production and removes CO2 from cells.
Read more ...July 19, 2020
Food is an essential requirement for obtaining energy needed for performing vital activities. Food also helps in growth, maintenance, repair and protection from various diseases.
Read more ...July 17, 2020
Life Processes such as Nutrition, Respiration, Circulation and Excretion are necessary for the survival of living beings. Energy is needed for running life processes.
Read more ...July 15, 2020
Cell is the structural and functional unit of life. A typical cell includes a cell membrane, cytoplasm and genetic material either within the nucleus or in the cytoplasm. The cytoplasm contains cell organelles such as mitochondria, endoplasmic reticulum lysosomes, vacuoles, ribosomes, golgi bodies.
Read more ...July 12, 2020
The Earth is the only planet in the solar system which sustains life. But earth was not the same as it is today. It was a ball of gases when it was first formed about 4.5 billion years ago.
Read more ...The Union Public Service Commission (UPSC) is one of the many constitutional body in India. It conducts competitive examinations and interviews for recruitment of civil services, defence services and posts under the Union Government or Central Government. The interviews for Defence Services are conducted by Services Selection Board (SSB) of the Ministry of Defence.
Civil Services
Indian Civil Service serves as the backbone of Indian administrative machinery. Career in civil services offers prestigious opportunities and responsibilities. India's best minds strive for entry into the All India Civil Services as IAS (Indian Administrative Service), IFS (Indian Forest Service) and IPS (Indian Police Service) officers.