Today’s GK Test Quiz

Mazagon Dock Shipbuilders Limited, formerly called Mazagon Dock Limited, is a shipyard situated in Mazagaon, Bombay. It manufactures warships and submarines for the Indian Navy and offshore platforms and associated support vessels for offshore oil drilling.

It is the statement from the autobiography of Mohandas Karamchand Gandhi “The Story of My Experiments with Truth”. It was written in weekly installments and published in his journal Navjivan from 1925 to 1929.

Tissue culture (micropropagation) is the growth of tissues or cells in an artificial medium separate from the parent organism. It is a technique in which fragments of plants are cultured and grown in a labouratory.

The Red Data Book is a public document that is created for recording endangered and rare species of plants, animals, fungi as well as some local subspecies that are present in a particular region.

“The General Theory of Employment, Interest and Money” is a book by English economist John Maynard Keynes. It was published in 1936. It caused a profound shift in economic thought, giving macroeconomics a central place in economic theory and contributing much of its terminology – the “Keynesian Revolution”.

The gas that is used in the manufacture of vanaspati ghee is hydrogen. Hydrogenation is a process where manufacturers add hydrogen to a liquid fat, such as vegetable oil, to turn it into a solid fat at room temperature.

Soap is prepared by boiling caustic soda with Fats. Soap is prepared by hydrolyzing fat under alkaline (basic) conditions. The reaction is called saponification, and produces one molecule of glycerin and three molecules of soap, for each molecule of fat taken.

Chlorophyll is the natural compound present in green plants that gives them their colour. It consists of a central magnesium atom surrounded by a nitrogen-containing structure called a porphyrin ring; attached to the ring is a long carbon-hydrogen side chain, known as a phytol chain. Calcium is not a component of chlorophyll.

The lustre of the metals is because of the reflection of light due to the presence of free electrons. The free electrons can move freely in the metal causing any light incident on them to get reflected back.

The Constitution of India was drafted by the Constituent Assembly. The Constituent Assembly of India was constituted on the basis of the Cabinet Mission Plan, 1946. The members of the Constituent Assembly were elected by the provincial assemblies by a single, transferable-vote system of proportional representation.

Between 1952 and 2020, two seats were reserved in the Lok Sabha for members of the Anglo-Indian community (Article 334). These two members were nominated by the President of India. In January 2020, the Anglo-Indian reserved seats in the Parliament and State Legislatures of India were discontinued by the 126th Constitutional Amendment Bill of 2019, when enacted as the 104th Constitutional Amendment Act 2019.

The United Nations General Assembly had decided to observe the International Day of Non-Violence each year on 2 October – the birth anniversary of Mahatma Gandhi. The United Nations adopted this resolution in June 2007.

Kohinoor Diamond had been mined from Kollur Mine on the south bank of the Krishna River in the Golconda Andhra Pradesh.

Alauddin chose to pay his soldiers salaries in cash rather than iqtas (grants of land).

A new coin called the 'Rupia' was issued by Sher Shah Suri in 1540-45. Today, the Reserve Bank of India issues currency under the RBI Act 1934.

Lord Ripon repealed the vernacular press act. The Vernacular press act forbade Vernacular papers to publish any material that might excite feelings of dissatisfaction against the British government.

The function of ball bearings in a wheel is to convert kinetic friction into rolling friction because rolling friction is much lesser than sliding friction. Ball bearings reduce friction and facilitate easy movement.

A satellite in vacuum does not require any energy for orbiting. A satellite orbits Earth when its speed is balanced by the pull of Earth's gravity. The gravitational force between the earth and the satellite provides the necessary centripetal force to move around the earth.

The most common material used for the heating element is Nichrome. Nichrome is the alloy of the Nickel and chromium; in this alloy, the nickel is 80% and the chromium is 20%. It is corrosion-resistant and has a high melting point of about 1400 degree C.

When a body is thrown upward, the height attained by that body is independent of the mass and depends on the initial speed of the body and the value of g. So, two stones of unequal masses are thrown vertically up with the same velocity they will reach the same height.