RRB NTPC GK Questions 2026

The Maginot Line was the chain of concrete forts that France built along its border with Germany. It is named after Andre Maginot, the French war minister who pushed the project through, and it was built in the 1930s after the First World War to stop another German invasion.

The local time of 82 degrees 30 minutes east is taken as Indian Standard Time for the whole country. This meridian passes through Mirzapur in Uttar Pradesh.

Fluorine is the most electronegative element, so in every compound it pulls the shared electrons towards itself and always shows an oxidation number of -1.

Article 338 provides for the National Commission for Scheduled Castes, a constitutional body that investigates and monitors the safeguards given to Scheduled Castes, enquires into specific complaints and reports to the President, who places the report before Parliament.

A pyramid of energy is always upright because energy is lost as heat at every step of a food chain, so each higher trophic level holds less energy than the one below it.

The Inter Tropical Convergence Zone is the low-pressure belt near the equator where the north-east and the south-east trade winds meet.

The Indian Councils Act of 1909, known as the Morley-Minto Reforms, introduced separate electorates for Muslims and so gave communal representation legal shape for the first time in British India.

A pressure group is an organised body of people with a shared interest that tries to influence government policy without contesting elections or seeking power itself, so a trade union pressing for better wages is the classic example.

An ecotone is the transition zone where two different ecosystems meet and mix, such as the belt between a grassland and a forest, an estuary between a river and the sea, or a mangrove strip between land and ocean.

Guru Nanak, the founder of Sikhism, chose his devoted follower Bhai Lehna as his successor and gave him the name Guru Angad, setting aside the claim of his own sons.

In the consumer-to-business model the consumer names the price or the terms and the business then accepts or declines the offer, so the usual direction of an offer is reversed.

An inselberg is an isolated residual hill that rises abruptly from a plain in a hot desert, so it is the work of weathering and wind in arid regions, not of glaciers.

Under the Tinkathia system the indigo planters of Champaran forced every tenant to grow indigo on three kathas out of every twenty kathas of his holding.

Ghazi Malik was the title of Ghiyasuddin Tughlaq, who founded the Tughlaq dynasty of the Delhi Sultanate in 1320. He was governor of Dipalpur under the Khiljis and won the throne by defeating Khusrau Khan, the usurper who had ended Khilji rule.

The number of moles is the given mass divided by the molar mass, so 60 grams of helium divided by 4 grams per mole gives 15 moles.

A mole is a count, not a weight: one mole of any element holds 6.022 into 10 to the power 23 atoms, the Avogadro number, whatever the element is.

Oil does not dissolve in water; it stays as a separate layer or as floating droplets, so the mixture is heterogeneous and the boundary between the two liquids can be seen.

A convex mirror bulges towards the viewer and always gives a virtual, erect and diminished image, so whatever your distance from it, your reflection looks smaller than you.

The 2030 Agenda for Sustainable Development sets 17 Sustainable Development Goals, and these are broken into 169 targets.

Protein synthesis begins with transcription, in which the message of a gene is copied from DNA into messenger RNA, so the first event is the making of an mRNA copy.