Science DMPQ

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

Digital India Corporation (Formerly Media Lab Asia) is a not for profit organization set up by Ministry of Electronics and Information Technology (MeitY), Govt. of India, under Section 25 of the Companies Act 1956 (Section 8 under Companies Act 2013). The objective of the company is to bring the benefits of ICT to the common … Read more

Genome sequencing is figuring out the order of DNA nucleotides, or bases, in a genome—the order of As, Cs, Gs, and Ts that make up an organism’s DNA. The human genome is made up of over 3 billion of these genetic letters. Today, DNA sequencing on a large scale—the scale necessary for ambitious projects such … Read more

Defence Research and Development Organisation (DRDO) has successfully demonstrated the hypersonic air-breathing scramjet technology with the flight test of Hypersonic Technology Demonstration Vehicle (HSTDV) at 1103 hours from Dr APJ Abdul Kalam Launch Complex at Wheeler Island, off the coast of Odisha. With this successful demonstration, many critical technologies such as aerodynamic configuration for hypersonic … Read more

Stem cells are special human cells that have the ability to develop into many different cell types, from muscle cells to brain cells. In some cases, they also have the ability to repair damaged tissues.               Stem cells differ from other kinds of cells in the body. Self-renewal: They can divide and renew themselves for … Read more

Chikungunya is a viral disease (genus Alphavirus) which is transmitted to humans by infected mosquitoes – including Aedes aegypti and Aedes albopictus. The name chikungunya originates from a verb in the Kimakonde language, meaning ‘to become contorted’. This refers to the ‘stooped’ appearance of those suffering with joint pain. Symptoms Symptoms appear between 4 and 7 days after the … Read more

Dry cell batteries create electrical energy by converting chemical energy into electricity. The exact means of doing so depends on the type of dry cell battery in question, but the materials that are used are generally zinc and carbon or zinc and manganese dioxide. These materials are placed within the electrolyte paste within the battery. … Read more

Students are working on several solutions to the challenges being faced by the country. Along with providing solutions to the problems, it also strengthens India’s aspirations regarding Data, Digitization and Hi-tech Future. Acknowledging that in the fast paced 21st century, India needs to swiftly change itself to continue playing an effective role Such events will … Read more

Ballistic Missiles Ballistic missiles are powered by rockets initially but then follow an unpowered, parabolic, free-falling trajectory toward their targets. They are classified by the maximum distance that they can travel, which is a function of how powerful the missile’s engines (rockets) are and the weight of the missile’s payload, or warhead. To add more … Read more

Distillation is a water purification method that utilizes heat to collect pure water in the form of vapor. This method is effective by the scientific fact that water has a lower boiling point than other contaminants and disease-causing elements found in water. Water is subjected to a heat source until it attains its boiling point. … Read more