Today’s GK Test Quiz

The river Damodar is called the sorrow of Bengal because it brought floods and destruction. The river Hwang Ho was also known as the 'Sorrow of China' because it often used to change its course after floods.

Jamini Roy was an Indian painter. Bhuvneshwari Kumari is a former women's squash champion from India. Alla Rakha was an Indian tabla player who specialized in Hindustani classical music. Medha Patkar is a Social and environmental activist.

A biodiversity hotspot is a biogeographic region with significant levels of biodiversity that is threatened by human habitation. The term biodiversity hotspot specifically refers to 25 biologically rich areas around the world that have lost at least 70 percent of their original habitat. India has four biodiversity hotspots, i.e., Eastern Himalayas, Western Himalayas, Western Ghats and Andaman and Nicobar Islands.

National Science Day is celebrated in India on 28 February each year to mark the discovery of the Raman effect by Indian physicist Sir CV Raman on 28 February 1928. For his discovery, He was awarded the Nobel Prize in Physics in 1930.

Techniques for improved soil conservation include crop rotation, Contour ploughing, Strip cropping, Shifting agriculture, etc. Dry farming encompasses specific agricultural techniques for the non-irrigated cultivation of crops.

Typhoid is not transmitted via blood transfusion. It is a highly contagious disease that's mostly spread through fecal contamination of food and water.

An antibiotic is a chemical synthesized by a micro-organism against another micro-organism. It is a medicine which is used for destroying bacteria and curing infections. The term antibiotic, coined in 1942, describes any substance produced by a microorganism, and subsequently by chemical synthesis, that is antagonistic to the growth of other microorganisms.

The term 'Rh factor' refers to Rhesus factor. It is an inherited protein found on the surface of red blood cells.

The most influential social-contract theorists were the 17th-18th century philosophers Thomas Hobbes, John Locke, and Jean-Jacques Rousseau.

Rajya Sabha is a permanent body and is not subject to dissolution. However, one-third of the members retire every second year and are replaced by newly elected members. Each member is elected for a term of six years. The Vice President of India is the ex-officio Chairman of Rajya Sabha.

Complementary goods have a negative cross-price elasticity: as the price of one good increases, the demand for the second good decreases. Substitute goods have a positive cross-price elasticity: as the price of one good increases, the demand for the other good increases. Petrol and Cars is an example of Complementary goods.

Through the establishment of village industries, Mahatma Gandhi strives to bridge economic inequalities. Gandhiji conceived Khadi Programme as a key to solve the economic problems of the country. Gandhi had commented about khadi “It connotes the beginning of economic freedom and equality of all in the country.”

Gol Gumbaz is the tomb of king Mohammed Adil Shah, Adil Shahi Dynasty. It is situated in northern Karnataka. The seventh ruler of the Adil Shahi empire, Mohammed Adil Shah started the construction of the tomb right after he became the Sultan in 1626.

ENIAC (Electronic Numerical Integrator and Computer) was the first programmable, electronic, general-purpose digital computer made in 1945 by the United States. ENIAC weighed over 30 tons with over 17,000 valves (vacuum tubes).

The total energy of an electron in an atom in an orbit is −3.4eV. The total energy is the sum of the electron's kinetic energy (3.4 eV) and the potential energy (-6.8 eV) coming from the electron-proton interaction.

When the medium is dense, the molecules in the medium are closely packed, which means that the sound travels faster. Therefore, the speed of sound increases as the density of the medium increases.

Smog is a kind of air pollution. The smoke usually came from large amounts of coal burning in an area and is caused by a mixture of smoke and sulphur dioxide (SO₂).

All nuclear power plants use nuclear fission, and most nuclear power plants use uranium atoms. During nuclear fission, a neutron collides with a uranium atom and splits it, releasing a large amount of energy in the form of heat and radiation.

Pure water is a bad conductor of electricity because it is feebly ionized. The presence of ions is necessary in order for any solution to conduct electricity. Pure water is free from any kind of acids, bases or salts. Hence, it does not conduct electricity due to the absence of ions.

Vasco Nunez de Balboa was a Spanish explorer. He is best known for having crossed the Isthmus of Panama to the Pacific Ocean in 1513, becoming the first European to lead an expedition to have seen or reached the Pacific from the New World. Christopher Columbus was an Italian explorer. Ferdinand Magellan and Vasco da Gama were Portuguese explorers.