Science

It refers to the elimination/removal of metabolic wastes from the body. There are four major organs of excretions : kidney, lungs, skin and the liver. Out of these four organs kidneys are the primary excretory organs that eliminate metabolic waste products in the form of urine. The major functions of urine are: Excretions of wastes … 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

A) Patents: This refers to innovations – new or improved product and processes which are meant for industrial applications.  This is a territorial right which requires registration for a limited time.  Patent is a contract between an inventor as an individual and the society as a whole.  The inventor has exclusive right to prevent anybody … Read more

Virus is a biological pandemic and it does not know the political boundary and in the era of globalisation it is a dauting task to control such pandemic without having coordinated global action which is still missing. Every nation is on protectionist mode and taking action without reporting to global agencies. WHO failed to create … Read more

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

. Metagenomics is the study of a collection of genetic material (genomes) from a mixed community of organisms. Metagenomics usually refers to the study of microbial communities. “Metagenomics” is the two words “meta” and “genomics”. So genomics is obtaining the DNA sequence, but meta implies that we’re doing it of many organisms together. And metagenomics … Read more

Linear motion, also called uniform motion or rectilinear motion, motion in one spatial dimension.  According to Newton’s first law (also known as the principle of inertia), a body with no net force acting on it will either remain at rest or continue to move with uniform speed in a straight line, according to its initial … Read more

INTEGRATED MISSILE DEVELOPMENT PROGRAMME:   Missile Type Remark Prithvi Short range Surface to Surface ballistic missile – The Prithvi missile is a family of tactical surface-to-surface short-range ballistic missiles (SRBM) and is India’s first indigenously developed ballistic missile. Development of the Prithvi began in 1983, and it was first test-fired on 25 February 1988 from Sriharikota, … Read more

Totipotent cells: Stem cells are characterized according to their degree of potency, which refers to their varying ability to differentiate into different cell types. Totipotent cells are the most potent of all stem cells, and defining them is important for research and the field of regenerative medicine.A totipotent cell is a single cell that can give … Read more

With varying income groups in India, not everyone can afford expensive phones. In the US, Apple has over 44% market share. However, in India the iPhones with their higher security norms are used by less than 1% of mobile users. The widening gap between the security offered by the high-end iPhone and lower cost mobiles … Read more