Science DMPQ

parasitic nutrition In this type of nutrition, the organisms (called parasites) depend on the body of other living organisms (called their host) for getting their food. Many viruses, bacteria, fungi and animals have this mode of nutrition. The organisms which depend on other living organisms (host) for food are called as parasites. Parasites of two … Read more

It is an infectious and sometimes fatal viral disease. Affects cloven-hoofed animals, including domestic and wild bovids. The virus causes a high fever for two or three days, followed by blisters inside the mouth and on the feet that may rupture and cause lameness. The virus responsible for the disease is a picornavirus, the prototypic … Read more

While proposing the double helical structure for DNA, Watson and Crick had immediately proposed a scheme for replication of DNA. The scheme suggested that the two strands would separate and act as a template for the synthesis of new complementary strands. After the completion of replication, each DNA molecule would have one parental and one … Read more

Big data is the huge amount of data which is present in an unprocessed way. It is a complex data. Big data is characterised by 3 Vs ie. Volume of data, velocity of data i.e. processed and complex variety of data. Big data has various useful application. The application of Big data can be seen … Read more

It is light weighted and is one-third the weight of lead acid batteries. It is nearly 100% efficient in both charging and discharging as compared to lead battery which has 70% efficiency. It completely discharges i.e. 100% as compared to 80% for lead acid. It has life cycle of 5000 times or more compared to … Read more

  Coking coal Non coking coal High carbon content Less carbon content Less moisture and less sulphur content High sulphur content   Can be used in Iron and steel Industry Cannot be used due to high sulphur content It is used to create coke. Making coke from this coal is not economical as traces of … Read more

In the category of natural food preservatives comes the salt, sugar, alcohol, vinegar etc. These are the traditional preservatives in food that are also used at home while making pickles, jams and juices etc. Also the freezing, boiling, smoking, salting are considered to be the natural ways of preserving food. Coffee powder and soup are … Read more

NASA had announced that it will launch a space probe called Dragonfly on an ambitious mission to Saturn’s moon Titan. It will be launched in 2026 and arrive in 2034.  It will mark the first time that NASA will fly a multi-rotor vehicle for science on another planet. It will be having eight rotors and … Read more

E commerce is the sale or purchase of goods and services conducted over networks of Tv and computers.  The use of internet and network is the key feature of e commerce.  According to a report by KPMG, e-Commerce sector in India is projected to cross $80 billion by 2020 and $300 billion by 2030. The … Read more

A hydroelectric power plant consists of a high dam that is built across a large river to create a reservoir, and a station where the process of energy conversion to electricity takes place.The first step in the generation of energy in a hydropower plant is the collection of run-off of seasonal rain and snow in … Read more