Science Tech

 India’s Missile program   Introduction India’s missile programme took a shot from space programme, beginning 1967.   In 1972, Rohini- a 560 two-stage, solid propulsion sounding rocket was developed and test fired India first launched its small 17-tonne SLV-3 space booster in 1979 India successfully injected the 35 kg Rohini I satellite into … Read more India Missile

 Crop Science in India In India around 70% of the population earns its livelihood from agriculture. It fulfills the basic need of human beings and animals. It is an important source of raw material for many agro based industries. India’s geographical condition is unique for agriculture because it provides many favorable conditions. There … Read more Crop Science In India

 Scientific Water Harvesting What is Water Harvesting It means capturing rain where it falls or capturing the run off in your own village or town. And taking measures to keep that water clean by not allowing polluting activities to take place in the catchment. Therefore, water harvesting can be undertaken through a variety … Read more Scientific Water Harvasting

 Respiratory quotient: Carbohydrates, fats and protein The respiratory quotient (or RQ or respiratory coefficient), is a dimensionless number used in calculations of basal metabolic rate (BMR) when estimated from carbon dioxide production. It is calculated from the ratio of carbon dioxide produced by the body to oxygen consumed by the body. Such measurements, … Read more Respiratory Quotien1

 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 Electric Discharge In Gases

 Excretory System Introduction v  If you exercise on a hot day, you are likely to lose a lot of water in sweat. Then, for the next several hours, you may notice that you do not pass urine as often as normal and that your urine is darker than usual. v  Do you know … Read more Excretory System

 Magnetic storm A magnetic storm is a period of rapid magnetic field variation. It can last from hours to days.  Magnetic storms have two basic causes:   The Sun sometimes emits a strong surge of solar wind called a coronal mass ejection. This gust of solar wind disturbs the outer part of the … Read more Magnetic Storm

 Determinants of Nuclear Tests: Pokhran I (1974) and Pokhran II (1998) Pokhran 1 test The emergence of China as fifth nuclear power in October 1964 constituted a significant threat to India’s territorial integrity and sovereignty. The strained relations between the two countries after the 1962 aggression sparked off an acrimonious debate on defence … Read more Determinants Of Nuclear Tests

 Blood bank Blood bank is a place where blood is collected from donors, typed, separated into components, stored, and prepared for transfusion to recipients. A blood bank may be a separate free-standing facility or part of a larger laboratory in a hospital. Separation of blood Typically, each donated unit of blood (whole blood) … Read more Blood Bank

 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 … Read more Respiratory System