Defence GK Questions 2026

The IUCN publishes the Red List of Threatened Species, the world's main list of species at risk. The IUCN was founded in 1948 and has its headquarters at Gland in Switzerland.

The UN General Assembly fixed 15 September as the International Day of Democracy. The General Assembly adopted the resolution in 2007, and the day was first observed in 2008.

The Act's definition covers any unwelcome physical, verbal or non-verbal conduct of a sexual nature, so all three count.

Each of these titles praises him as a builder, painter or inventive mind, so together they point to his love of the arts.

The word 'algorithm' comes from the Latin form of his name, Algoritmi, used in translations of his work on Hindu-Arabic numerals.

Lonar was formed by a meteorite impact, and its rocks contain maskelynite, a natural glass that forms only under such high-velocity impacts and is also found in lunar rocks.

Osmosis is the passage of water from where water is more concentrated (a dilute solution) to where it is less concentrated, across a membrane that lets water through but holds back solutes.

The 44th Amendment of 1978 removed 'internal disturbance' from Article 352 and put 'armed rebellion' in its place.

The Citizenship Act, 1955 provides for the acquisition and determination of Indian citizenship after the commencement of the Constitution, which came into force on 26 January 1950.

Under paragraph 6 of the Tenth Schedule, a question of disqualification for defection is decided by the presiding officer of the House.

In Koeppen's scheme B marks dry climates, and the letter W, from the German Wüste meaning desert, marks the driest of them.

The 101st Amendment of 2016 brought in GST and inserted Article 269A for the tax on inter-state supplies.

The NCBC became a constitutional body in 2018 and the 1993 Act was repealed, but it is headed by a Chairperson, not by a ministry Secretary.

Medieval sieges aimed to starve a city into surrender, so Vijayanagara kept fields and food inside its walls. The Persian ambassador Abdur Razzaq, who visited in the 1440s, described seven lines of fortification around the city, with fields, gardens and houses between them.

Ferromagnetism needs the atomic magnets of a substance to line up together in fixed regions called domains, and this happens only in the ordered structure of a solid.

Chemical reactions involve only the outer, or valence, electrons, so these decide how an element behaves. Atoms combine by losing, gaining or sharing their valence electrons to reach a stable arrangement, usually eight electrons in the outer shell.

Jean-Jacques Rousseau, the Geneva-born philosopher, published The Social Contract (Du contrat social) in 1762.

The Himalayas were formed by the collision of two continental plates, the Indian and the Eurasian, and such a collision does not produce volcanoes.

Adam Smith laid down four canons of taxation, and fiscal adequacy was not one of them; it was added by later economists.

Animal cells are bounded only by a flexible plasma membrane and have no rigid cell wall outside it. A cell wall is found in plants, where it is made mainly of cellulose, in fungi, where it is made of chitin, and in bacteria, where it is made of peptidoglycan.