Science

Zika virus disease is caused by a virus transmitted primarily by Aedes mosquitoes, which bite during the day.Zika virus is a mosquito-borne flavivirus that was first identified in Uganda in 1947 in monkeys. It was later identified in humans in 1952 in Uganda and the United Republic of Tanzania.Symptoms are generally mild and include fever, … Read more

The Mission envisages empowering national academic and R&D institutions spread over the country by installing a vast supercomputing grid comprising of more than 70 high-performance computing facilities.  These supercomputers will also be networked on the National Supercomputing grid over the National Knowledge Network (NKN). The NKN is another programme of the government which connects academic … Read more

Based on his observations on monohybrid crosses Mendel proposed two general rules to consolidate his understanding of inheritance in monohybrid crosses. Today these rules are called the Principles or Laws of Inheritance: the First Law or Law of Dominance and the Second Law or Law of Segregation. Law of Dominance Characters are controlled by discrete … Read more

Universal Health coverage means accessibility of health care to one and all without creating financial hardship. According to WHO, out of pocket expenditure in health sector is 63% whereas the recommended level is 10-15%. There are problems associated with health sector: Expenditure on health is just 2.5% of GDP it has to be near about … Read more

A Cryogenic rocket stage is more efficient and provides more thrust for every kilogram of propellant it burns compared to solid and earth-storable liquid propellant rocket stages. Specific impulse (a measure of the efficiency) achievable with cryogenic propellants (liquid Hydrogen and liquid Oxygen) is much higher compared to earth storable liquid and solid propellants, giving … Read more

Contribution of Indian  Scientist:   Scientist Achievement Homi Jehangir Baba Father of Indian Nuclear Programme, Carried out first nuclear test 1974, Atomic energy establishment was renamed Bhabha Atomic research centre. Venkatraman Ramakrishna Indian origin biologist cum scientist won nobel prize in 2009 in chemistry. He pioneered in the studies of the structure and function of … Read more

India’s Polar Satellite Launch Vehicle (PSLV-C45)  successfully launched EMISAT and 28 international customer satellites from Satish Dhawan Space Centre (SDSC) SHAR in Sriharikota. This flight marked the first mission of PSLV-QL, a new variant of PSLV with four strap-on motors. EMISAT is a satellite built around ISRO’s Mini Satellite-2 bus weighing about 436 kg. The … Read more

Petroleum coke or pet coke, is a solid carbon rich(90% carbon and 3% to 6% sulfur) material derivedfrom oil refining. It is categorized as a “bottom of the barrel” fuel.It is a dirtier alternative to coal and emits 11% moregreenhouse gases than coal and nearly 17 timesmore sulphur than coal. Petcoke is a source of … Read more

On March 27, 2019 India conducted Mission Shakti, an anti-satellite missile test, from the Dr. A P J Abdul Kalam Island launch complex. This was a technological mission carried out by DRDO. The satellite used in the mission was one of India’s existing satellites operating in lower orbit. The test was fully successful and achieved … Read more

DNA profiling is the technique of finding the difference between the satellite DNA regions in the genome. These regions are stretches of repetitive DNA which do not code for any specific protein. These non-coding sequences form a major chunk of the DNA profile of humans. They depict a high level of polymorphism and are the basis of … Read more