Science

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 Quick Revision- Contribution of Indian Scientist

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 DMPQ- PSLV-C45

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 DMPQ:What is Pet coke?

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 DMPQ: Write short Note on Mission Shakti

Oxytocin is a crucial hormone used on pregnant women. It is used for the induction of labour and stop postpartum bleeding. It causes uterine contractions during labour, and helps new mothers lactate.  It has largely been in use during delivery to reduce maternal mortality. Misuse – Besides the genuine uses, Oxytocin is largely misused.  It … Read more DMPQ- What is Oxytocin? What are its possible misuses?

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 DMPQ- DNA profiling.

Quick revision Topic:  Corrosion and its prevention   Definition:  It is the process in which metals are slowly eaten up by the action of air moisture or chemicals. For example rusting is a form of corrosion in which iron is eaten up by the action of air and moisture and a reddish brown coating of iron oxide is formed … Read more Quick Revision- Corrosion and its prevention

Quick Revision Topic:                pH scale and its day to day application   Definition:                  pH scale is the scale developed to measure the concentration of Hydrogen ion in a solution. Here ‘p’ in pH implies ‘potenz’ in german. The pH of a neutral solution is 7. for Acidic solution pH is less than 7 and … Read more Quick Revision- pH scale and its day to day application

Issues attached with scientific research in India are as follows: The system is also largely run by scientists-turned-bureaucrats and “nepotism, patronage culture” are prevalent. Notably, Indian scientists perceive success as ‘becoming an administrative head in research institutions’, rather than advancing research. Also, the prevalent incompetence across the spectrum has taken a toll on ‘peer reviewing’ … Read more DMPQ: What are the administrative issues attached with Scientific research in India? (Science )

QUICK REVISION   TOPIC: CATALYST Definition:       Increases or decreases the rate of reaction without actually taking part in the reaction.   Types:      On the basis of phase of reactants: Same phase : Homogenous catalyst; eg: In Hydrogenation use of Raney nickel catalyst   Different phase : Heterogenous catalyst; Eg in Ozone depletion Chlorofluorocarbons (CFCs) like … Read more Quick Revision- CATALYST