Railway GK Questions 2026

All three rivers join the Yamuna, the longest tributary of the Ganga, which rises at the Yamunotri glacier in Uttarakhand and meets the Ganga at Prayagraj.

Geology is the science of the solid Earth: the rocks it is made of, how it formed and changed over time, and the minerals, coal, oil and gas found inside it.

Both pairs are reversed: in Punjab rice is a commercial crop, while in Odisha it is a subsistence crop. The same crop can be commercial in one state and subsistence in another; it depends on why the farmer grows it.

That is exactly what the Indian monsoon is. The word monsoon comes from the Arabic mausim, meaning season, and describes winds that reverse direction with the season.

Lord Dalhousie annexed Awadh in February 1856, in the last weeks of his term as Governor-General from 1848 to 1856.

As acting Governor-General, Sir Charles Metcalfe repealed the licensing regulations of 1823 through the Press Act of 1835, so he is called the 'Liberator of the Indian Press'.

As Governor-General from 1786 to 1793 he turned the Company's corrupt trading staff into a paid, rule-bound civil service. He raised salaries, banned private trade and presents, and set up a graded service promoted by seniority, which is why he is called the father of the civil services in India.

Raja Ram Mohan Roy set up the Atmiya Sabha, the 'Society of Friends', in Calcutta in 1814. It was a small circle for discussion that preached one formless God and attacked idol worship, caste rigidity, sati and child marriage.

Mohenjodaro lies on the right bank of the Indus in Larkana district of Sindh, now in Pakistan. It was excavated in 1922 by R. D. Banerji, and its name means 'mound of the dead'.

The Treaty of Salbai, signed in May 1782, closed that war between the English East India Company and the Marathas.

Article 361 gives this personal immunity to only two offices, the President of India and the Governor of a State.

Article 64 makes the Vice President of India the ex-officio Chairman of the Council of States, the Rajya Sabha. Because he chairs a House he is not a member of, he has no ordinary vote and casts only a deciding vote when there is a tie.

It orders the person or authority holding someone to produce that person before the court, and if the detention is found unlawful the person is set free.

It says the Directive Principles shall not be enforceable by any court, yet they are fundamental in the governance of the country and the State must apply them in making laws.

The Kyoto Protocol, adopted at Kyoto, Japan on 11 December 1997 under the UN Framework Convention on Climate Change, was the first treaty to set binding targets for cutting emissions.

Roasting means heating a sulphide ore strongly in plenty of air, so that the sulphide turns into an oxide and the sulphur escapes as sulphur dioxide gas.

Kwashiorkor is caused by a severe lack of protein in the diet, even when the child gets some calories from starchy food.

Mature red blood cells, or erythrocytes, lose their nucleus before they enter the blood. Losing the nucleus, and the mitochondria too, leaves more room for haemoglobin, the iron-rich protein that carries oxygen, and gives the cell its flexible biconcave disc shape, which lets it squeeze through narrow capillaries.

It is the main growth inhibitor among plant hormones and works against the growth promoters.

For a lens, magnification m is the image height divided by the object height, which also equals v divided by u. A plus sign means the image is erect and virtual, and a value of 2 means it is twice as tall as the object.