Indian Space Research Organization (ISRO)

Indian Space Research Organization (ISRO) Indian Space Research Organisation (ISRO), was founded in 1969 to develop an independent Indian space program. Its headquarters are in Bangalore. ISRO’s chief executive is a chairman, who is also chairman of the Indian government’s Space Commission and the secretary of the Department of Space. The Indian Space Research Organisation … Read more

Ideal Fuel Properties

 Fuels are any material that store potential energy in forms, which upon burning in oxygen liberates heat energy. Calorific value of fuel is the total quantity of heat liberated when a unit mass or volume of fuel is completely burnt. Higher or gross calorific value (HCV) in the total amount of heat produced … Read more

Fertilizars

 Fertilizers All plants need certain mineral nutrients to survive. These minerals occur naturally in the soil and are taken up from the soil by the roots of the plants. Most soils usually have enough of these minerals to keep plants healthy. However, some nutrients are gradually used up by the plants, or are … Read more

E Learning IT& Rural Applications

 E-learning- IT& Rural applications A learning system based on formalised teaching but with the help of electronic resources is known as E-learning. While teaching can be based in or out of the classrooms, the use of computers and the Internet forms the major component of E-learning. E-learning can also be termed as a … Read more

Disaster Management

 Disaster Management History shows that India is exposed to national disasters. Cyclones, floods, earthquakes, droughts and floods are major threats. About 60 percent of the landmass is prone to earthquakes of various intensities, over 40 million hectares is prone to floods and 68 percent of the area is susceptible to drought. This not … Read more

Electricity And Its Effect1

 Electricity and its effects -electric intensity, potential, potential difference Electricity is the physical flow of electrons, referred to as an electrical current. Electricity is an energy carrier that efficiently delivers the energy found in primary sources to end users, who in turn convert it into energy services. Electricity can be created in three … Read more

Control Of Pests And Disease

 Control of Pests and crop Disease Agriculture is the single largest sector of India that provides the principal means of livelihood for over 58.4% of country’s population. It contributes approximately one-fifth of the total gross domestic product (GDP). Agriculture accounts for about 10% of the total export earnings and provides raw material to … Read more

Types Of Asexual Reproduction

 Types of Asexual Reproduction Spores Some protozoans and many bacteria, plants and fungi reproduce via spores. Spores are structures naturally grown as part of an organism’s life cycle and designed for separation from the organism and dispersal via a medium such as air or water. When conditions are correct, the organism will release … Read more