Today’s GK Test Quiz

Leonardo da Vinci (1452 – 1519) was an Italian polymath of the High Renaissance who was active as a painter, draughtsman, engineer, scientist, theorist, sculptor and architect. While his fame initially rested on his achievements as a painter, he also became known for his notebooks, in which he made drawings and notes on a variety of subjects, including anatomy, astronomy, botany, cartography, painting, and palaeontology.

Indian agriculture is typically characterised as land scarce, labour surplus economy.

Lichen that grows on the bark is said to be Corticolous. If it is found attached to a rock, it is saxicolous, and if it is found on the ground or soil, it is terricolous.

Unto This Last is an essay and book on economy by John Ruskin, first published between August and December 1860 in the monthly journal Cornhill Magazine in four articles. The book greatly influenced the nonviolent activist Mohandas Gandhi.

Superphosphate is not a nitrogenous fertilizer. The nitrogenous fertilizer industry includes the production of synthetic ammonia, nitric acid, ammonium nitrate, ammonium sulphate and urea.

Natural radioactivity was discovered by Antoine Henri Becquerel. Henri Becquerel (1852-1908) was a French physicist who discovered radioactivity through his investigations of uranium and other substances. In 1903 he shared the Nobel Prize for Physics with Pierre and Marie Curie.

Smoke is formed due to solid dispersed in gas. Smoke is a collection of tiny unburnt particles. It is a collection of tiny solid, liquid and gas particles — mostly carbon (soot), tar, oils and ash. Here solid acts as a dispersed phase and gas acts as a dispersed medium.

Common alum (KAl(SO₄)₂·12H₂O) is added to water in order to destabilize the mud particles suspended in it. This process is known as coagulation. Alum helps in purifying water by aluminium which helps to coagulate the mud particles. Due to the high charge on aluminium ion (Al⁺³), it helps the small particles of suspended solids to group together until they are of such large size that they sink and can be removed.

In cricket, a beamer is a type of delivery in which the ball, without bouncing, passes above the batsman's waist height.

The narrow stretch of water connecting two Seas is called Strait. Most commonly it is a channel of water that lies between two landmasses. Some straits are not navigable, for example because they are too shallow or because of an unnavigable reef or archipelago.

The Panchayat Raj system was first adopted by the state of Bihar by the Bihar Panchayat Raj Act of 1947. It was a continued legacy of local self-government started by Lord Ripon in the British era. Rajasthan was the first state to introduce the panchayat system in India after independence. Prime Minister Jawahar Lal Nehru inaugurated the three-tier Panchayati Raj System on 2nd October 1959 in Nagaur district of Rajasthan.

When the quantity of supply of goods matches the demand for goods, it is called the equilibrium price.

Capital output ratio is the amount of capital needed to produce one unit of output.

National Income Estimates in India are prepared by National Statistical Office (NSO). NSO came into existence on 23rd May 2019 by a merger of NSSO (National Sample Survey Office) and CSO (Central Statistics Office). It is the statistics wing of the Ministry of Statistics and Program Implementation.

Eugen Steinach (1861-1944) discovered sex hormones. He was an Austrian physiologist and pioneer in endocrinology. Steinach played a significant role in discovering the relationship between sex hormones (estrogen and testosterone) to human physical identifiers. German biochemist Adolf Butenandt was awarded the Nobel Prize in Chemistry in 1939 for his work on sex hormones.

Government of India Act 1858 passed which changed the name of post-Governor General of India by Viceroy of India. The Viceroy was appointed directly by the British government. The first Viceroy of India was Lord Canning.

A rectifier is a special type of diode that converts alternating current (AC) into direct current (DC).

Buzz Aldrin set foot on the Moon on 21 July 1969, nineteen minutes after Neil Armstrong first touched the surface. Armstrong and Aldrin became the first and second people, respectively, to walk on the Moon.

The Statue of Liberty was a gift from the French people commemorating the alliance of France and the United States during the American Revolution.

American Civil War, a four-year war (1861–65) fought between the United States and 11 Southern states that seceded to form the Confederate States of America. Civil War was fought over the moral issue of slavery.