CDS GK Questions 2026

The English naturalist published this book in London on 24 November 1859, setting out his theory of evolution by natural selection.

The Great Bath was surrounded by rooms, and a large well in one of the rooms on its eastern side supplied the water for the tank.

In 1913 the English physicist Henry Moseley showed that atomic number, not atomic mass, is the fundamental property of an element.

The College of Military Engineering stands at Dapodi in Pune, Maharashtra, and is the main training institution of the Indian Army's Corps of Engineers.

Pinaka and Smerch are both multi-barrel rocket launchers used by the Indian Army's artillery. Pinaka was developed by DRDO, with the Armament Research and Development Establishment at Pune as the lead laboratory, and is named after the bow of Lord Shiva.

Project 75 India, or P-75I, is the Indian Navy's plan to build six advanced conventional diesel-electric submarines in India. Its key requirement is Air Independent Propulsion, which lets a conventional submarine stay submerged for much longer without surfacing to charge its batteries.

The 103rd Amendment Act, 2019 allowed reservation of up to 10 percent for the Economically Weaker Sections in educational institutions and in government jobs.

Relative humidity compares the water vapour actually present in the air with the most the air could hold at that temperature, so both figures are needed.

Parts of all three states drain into the Ganga through its tributaries. The Ganga basin is the largest river basin of India, covering about a quarter of the country's area.

Pyruvate, the ion of pyruvic acid (CH3COCOOH), is a three-carbon molecule. It is formed at the end of glycolysis, the first stage of respiration, which takes place in the cytoplasm of every living cell.

For a photon, energy equals momentum multiplied by the speed of light, E = pc, so a momentum of 10 MeV/c gives an energy of exactly 10 MeV.

In Census 2011, Scheduled Tribes made up about 94.4 percent of Mizoram's population, the highest share among all the states.

The Eight Degree Channel runs roughly along the 8 degree north latitude in the Arabian Sea and separates Minicoy, the southernmost island of Lakshadweep, from the Maldives.

In Keynes's theory the level of employment in an economy is fixed by effective demand, the level of total spending at which aggregate demand equals aggregate supply.

Cotton soaks up sweat well, and as that sweat evaporates from the cloth it takes heat away from the body and keeps us cool.

The Portuguese were the first Europeans to reach Africa's coasts as traders, and their trading posts began the long story of European colonisation of the continent.

Citizenship is dealt with in Part II of the Constitution, Articles 5 to 11, and any citizenship law, including the Citizenship (Amendment) Act, falls under it.

Human cells, like all animal cells, have only a flexible plasma membrane on the outside and no rigid cell wall.

Article 21A, the right to education, was inserted by the Constitution (Eighty-sixth) Amendment Act, 2002, not by the Eighty-fifth.

All three features describe alluvial soil, the most widespread soil of India. Alluvial soil is deposited by rivers such as the Indus, the Ganga and the Brahmaputra, and also lines the eastern coastal deltas.