01.)The world’s first mobile (or cellular) phone call was made on April 3, 1973 by an American engineer At that time, he was a vice president and division manager at Motorola phone company and led the team that developed the world’s first handheld mobile phoneWho is this engineer, considered the principal inventor of the mobile phone?
02.) Tungsten is a chemical element with the chemical symbol W and atomic number 74. The symbol W is derived from the latin name of the element. Can you give the latin name of Tungsten?
03.) In 1844, a dentist named Horace Wells in Connecticut, USA, was the first to successfully use an anesthetic to extract teeth. What was the anaesthetic he used, a gas commonly known as ‘laughing gas’?
04.) Biofuels are fuel sources that are derived from plants. A main type of biofuels is bio-ethanol, an alcohol made by fermenting crops. Non-food sources such as some trees and grasses can also be raw materials for bio-ethanol. The United States and Brazil lead the industrial production of ethanol fuel which these two countries accounted over 85% of the world’s production. From what crop plant is most of Brazil’s ethanol derived?
05.) BCG is a vaccine against tuberculosis that is prepared from a strain of the weakened live bovine tuberculosis bacillus, Mycobacterium bovis . What does BCG stand for?
06.) He was a German physiologist who received the 1901 Nobel Prize in Physiology or Medicine, for his discovery of a diphtheria antitoxin. He was widely known as a “saviour of children”, as diphtheria used to be a major cause of child death. Name Him?
07.) Prevailing cosmological model of the observable universe describes the expansion of universe from the early high density/high temperature state through it’s large scale evolution happened through billions of years. What is the name given to prevailing cosmological model ?
08.) A chemical reaction that takes place inside the leaves of a plant, producing food for the plant to survive requires water, Carbon dioxide and light. What is this particular chemical reaction known as?
09.) Bluetooth is a wireless technology standard for exchanging data over short distances from fixed and mobile devices, and building personal area networks. Name the Sweden based telecom vendor who invented this technology in 1994?
10.) A bark is a noise most commonly produced by dogs. But surprisingly, due to an unusual condition, a breed of dog is not able to bark, hence nicknamed “Barkless Dog”. Instead it produces an unusual yodel-like sound commonly known as “Barroo”. What is the name of this breed?
01.) Martin Cooper
03.) Nitrous Oxide
05.) Bacillus Calmette-Guérin
06.) Emil von Behring
07.) The Big Bang Theory