CDS Previous Year GK Questions

The object lies between F and 2F of the convex lens (25 cm and 50 cm), and such an object always gives a real, inverted and enlarged image beyond 2F. Using the lens formula 1/v − 1/u = 1/f with u = −40 cm and f = +25 cm gives…

Nanotechnology deals with matter at the scale of roughly 1 to 100 nanometres, where materials begin to show new properties.

The orthodox Calcutta leader founded the Dharma Sabha in 1830 to defend traditional Hindu practices against the reformers. Raja Radhakanta Deb (1784–1867) was a scholar who compiled the Sanskrit encyclopaedia Shabdakalpadruma and was a leading figure of Calcutta society.

Interest on the public debt is the single largest item of the Union Government's revenue expenditure, taking roughly a third of it.

A linker is system software, a programming tool that joins compiled pieces of code into one program that can run; it does not do a task for the end user.

Ribosomes are the only one of these found in prokaryotic cells such as bacteria, because they are not enclosed by a membrane.

Neither statement is correct: only starch is a mixture of amylose and amylopectin, and only glycogen is stored in liver cells.

T-55, T-72 and T-90 are Soviet and Russian-designed main battle tanks, while T-155 is not a tank at all; the name belongs to a 155 mm self-propelled howitzer made in Turkey.

This statement is not correct, because SAARC has nine observers, of which China is only one. SAARC was founded at its first summit in Dhaka on 8 December 1985 by seven countries: Bangladesh, Bhutan, India, the Maldives, Nepal, Pakistan and Sri Lanka.

One carbon credit stands for one tonne of carbon dioxide, or its equivalent in other greenhouse gases, kept out of the atmosphere.

Every ground listed is a disqualification for membership of Parliament under Article 102 of the Constitution.

All three statements describe the Act of 1858 correctly: it ended Company rule and placed India directly under the Crown, governed from London with no Indian voice.

Ultraviolet rays have the shortest wavelength of the three, visible light comes next and infrared rays have the longest. The electromagnetic spectrum, in order of increasing wavelength, runs from gamma rays and X-rays to ultraviolet, visible light, infrared, microwaves and radio waves.

Article 243K(4) says that, subject to the Constitution, the Legislature of a State may by law make provision for all matters relating to elections to the Panchayats.

The power of a lens measures how strongly it bends light, and +2.5 D has the largest magnitude among the four options.

This 1987 report gave the world the standard definition of sustainable development quoted in the question. The report, titled Our Common Future, was prepared by the World Commission on Environment and Development, set up by the United Nations in 1983.

The Marathi poet wrote Maze Vidyapeeth (My University), drawing on his own life among the mill workers and the poor of Bombay.

All three reached the final of the All England Championships: Gopichand won it, while Saina and Lakshya finished runners-up. The All England Open, first held in 1899 in England, is the oldest and one of the most respected badminton tournaments.

The fund, run by the Ministry of Youth Affairs and Sports, gives financial help to sportspersons and their families who are in need.

A firewall stands between a computer or private network and the outside world and blocks traffic that is not allowed.