Science

ATGM NAG has been developed by DRDO to engage highly fortified enemy tanks in day and night conditions. The missile has “Fire & Forget” “Top Attack” capabilities with passive homing guidance to defeat all MBTs equipped with composite and reactive armour. The NAG missile carrier NAMICA is a BMP II based system with amphibious capability. … Read more

The key functions of DAPCUS are: DAPCUs, through active engagement of the district administration mobilise response from allied line departments and private sector in mainstreaming the programme. Initiates evidence based district-specific initiatives by leveraging local resources. Facilitates in linking vulnerable population with various social entitlement and welfare schemes under the mechanism of DAPCU led single … Read more

Bio-Plastics refers to Bio-degradable Materials manufactured from Renewable Sources that can be used in Packaging of Goods similarly as Plastic. Earth consumes around 200 Million Tonnes of Plastic every Year resulting in Pollution and Climate Change.  They have an advantage over conventional plastic as they are biodegradable, less carbon foot print, no additives, maintain the … Read more

The Human genome project was a large, international and multi-institutional effort that took 13 years from 1999 and $2.7 billion to produce a blueprint of the sequence of genes and space between  genes that make up a typical human genome. Following were the observation of HGP (read)- 99% of the total human DNA is junk … Read more

Biofuels are the fuel generated from the biomass. They are the renewable source of energy. The different generation of biofuel are tabulated below: 1st Generation biofuel ·        Produced directly from the crop ·        Crop such as wheat and sugar are used ·        Stable, competitive with fossil fuel ·        Food vs Fuel criticism ·        Biodiesel and … Read more

When there are changes in the condition like temperature, light or nutrients the symbiotic linkage between algae and zooxanthellae gets deteriorated, causing them to turn white. In coral bleaching the density of zooxanthellae decline and the concentration of photosynthetic pigment decline which lead to decline in color. 20% of the coral reefs have already been … Read more

Reflex action is an immediate involuntary response to a stimulus. In an involuntary response, a sensory impulse on reaching central nervous system is itself returned to a specific effector as a motor impulse without neuronal analysis and integration. Reflex responses occur below the level of consciousness. Reflex actions are sudden and autonomic. For instance, if … Read more

PCR (polymerase chain reaction) is a method to analyze a short sequence of DNA (or RNA) even in samples containing only minute quantities of DNA or RNA. PCR is used to reproduce (amplify) selected sections of DNA or RNA. Previously, amplification of DNA involved cloning the segments of interest into vectors for expression in bacteria, … Read more

The lymphatic system has three primary functions: Fluid balance The lymphatic system helps maintain fluid balance. It returns excess fluid and proteins from the tissues that cannot be returned through the blood vessels.  The fluid is found in tissue spaces and cavities, in the tiny spaces surrounding cells, known as the interstitial spaces. These are … Read more