Railway GK Questions 2026

Argon is a noble gas whose outer shell already holds eight electrons, so it has no room to take another one easily; adding an electron would mean starting a new shell, and energy has to be supplied rather than released.

Brihadratha was the last Mauryan emperor, and about 185 BCE his own commander-in-chief Pushyamitra Shunga killed him while the army was being reviewed, ending the dynasty Chandragupta Maurya had founded around 322 BCE.

A seismograph, also called a seismometer, senses the shaking of the ground and draws it as a wavy line called a seismogram.

The boxer M.C. Mary Kom told her story in Unbreakable, written with Dina Serto and published in 2013, in which she describes her childhood in a farming family in Manipur, her fight to box at a time when few Indian women did, and her return to the ring after becoming…

Windows is proprietary, or closed-source: Microsoft keeps its source code private and sells it under a licence that does not let users study, change or redistribute the code.

The khuang is a hollow wooden drum of the Mizo people, made from a single log with animal hide stretched over both ends and slung from the shoulder while being played with the hands.

A hard disk is secondary storage: the CPU cannot work on its contents directly, and data must first be copied into main memory.

Granite forms when magma cools slowly deep inside the crust, so it is an intrusive, or plutonic, igneous rock. The slow cooling lets large crystals of quartz, feldspar and mica grow, which is why granite has a coarse, grainy look you can see with the naked eye.

Jain tradition places the birth of Rishabhanatha, the first Tirthankara, and of Abhinandananatha, the fourth, at Ayodhya in present-day Uttar Pradesh.

The 42nd Amendment Act, 1976 added three words to the Preamble: Socialist, Secular and Integrity. With them the description of India changed from a 'Sovereign Democratic Republic' to a 'Sovereign Socialist Secular Democratic Republic', and 'unity of the Nation' became 'unity and integrity of the Nation'.

Matki is a women's folk dance of the Malwa region of Madhya Pradesh, performed at weddings and other happy occasions.

Venus is wrapped in a dense blanket of carbon dioxide topped by thick white and yellow clouds of sulphuric acid, which is why it shines so brightly in our sky.

Ropar, now Rupnagar in Punjab, stands on the Sutlej, not on the Indus. It was excavated by Y.D.

K.M. Munshi called the Preamble the 'political horoscope of the Indian Constitution' because it foretells the kind of state India set out to build.

Because of the gravitational pull of the moon and the sun, together with the centrifugal effect of the earth's rotation, most coasts see the sea rise and fall twice in a day.

Under the Bureau of Indian Standards specification for drinking water, IS 10500:2012, turbidity has an acceptable limit of 1 NTU and a maximum permissible limit of 5 NTU in the absence of any alternate source.

In the traditional Indian reckoning the year is divided into six seasons of two months each, and Hemant, the pre-winter, falls in the months of Agrahayana and Pausha — that is, November and December.

Charaka is the physician of ancient India whose name is attached to the Charaka Samhita, the great text on medicine, and tradition makes him a court physician of the Kushana king Kanishka.

The Ramon Magsaysay Award was established in April 1957 by the trustees of the Rockefeller Brothers Fund in New York, with the agreement of the Philippine government, in memory of Ramon Magsaysay, the third President of the Philippines, who had died in an air crash in March that year.

The all-India Index of Industrial Production is compiled with 2011-12 as its base year, a revision announced in 2017 that replaced the older 2004-05 base.