RRB Group D GK Questions 2026

A tide is the regular rise and fall of sea level caused by the gravitational pull of the Moon and, to a smaller extent, the Sun, together with the centrifugal force of the spinning earth.

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

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.

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.

The manat is the currency of Azerbaijan, a country of the Caucasus whose capital is Baku on the shore of the Caspian Sea.

The Emperor of Gladness, released in May 2025, is a novel by the Vietnamese-American writer and poet Ocean Vuong. Vuong was born near Saigon in 1988 and came to the United States as a child refugee.

The euro is the official currency of the European Union. It came into being as an accounting currency in 1999 and reached people's hands as notes and coins on 1 January 2002.

Test Cricket: A History, published in 2025, was written by the English cricket writer and journalist Tim Wigmore.

At the top the object holds only potential energy; as it falls, that store is steadily converted into kinetic energy, and just as it touches the ground almost all of it is kinetic.

The Hundred Years' War was fought between England and France from 1337 to 1453, so it actually ran for 116 years with long truces in between.

NPCI is the umbrella organisation that runs India's retail payment and settlement systems.

Plants respire day and night, breaking glucose down to release energy, and carbon dioxide is the waste product of that process.

The same magnet moves at the same speed in both cases, so the rate of change of magnetic flux through the coil is equal and the induced potential difference has the same magnitude.

Fibrous roots are the mark of monocotyledonous plants such as wheat, maize, rice and grasses, not of dicots.

Minsk is the capital and largest city of Belarus, a landlocked country of Eastern Europe that shares borders with Russia, Ukraine, Poland, Lithuania and Latvia.

Chandragupta II extended Gupta rule to Gujarat around 390 AD by defeating the Western Kshatrapas, the Saka rulers of Malwa, Gujarat and Kathiawar.

Nor'westers are violent pre-monsoon thunderstorms that strike eastern India, especially West Bengal and Assam, in the afternoons and evenings of April and May.

The Asian Development Bank has its headquarters in Manila, the capital of the Philippines. ADB was set up in 1966 to reduce poverty and fund development in Asia and the Pacific, and it lends mainly for roads, railways, power, water and urban projects.

The work done in moving a charge across a potential difference is W = QV, so W = 5 × 16 = 80 joules.

Triratna means the three jewels in which a Buddhist takes refuge. Buddha is the enlightened teacher, Dhamma is his teaching of the Four Noble Truths and the Eightfold Path, and Sangha is the order of monks and nuns that carries the teaching forward.