Railway GK Questions 2026

Dissolved salts make sea water less compressible, so sound travels faster in it, about 1,530 m/s at 25 °C, than in pure or drinking water.

The pulmonary veins bring oxygen-rich blood from the lungs straight into the left atrium. The human heart has four chambers and works as two pumps.

HIV spreads through body fluids such as blood, so a transfusion of infected blood passes the virus directly into the bloodstream.

Argon is an inert gas, so it does not react with the white-hot tungsten filament and slows its evaporation, which makes the bulb last longer.

Magnesium is above hydrogen in the reactivity series, so it displaces hydrogen from the acid: Mg + 2HCl → MgCl2 + H2.

Pitch is how high or low a sound seems to the ear, and it depends on the frequency of vibration: the higher the frequency, the higher the pitch.

Common solder is an alloy of lead (Pb) and tin (Sn), often in a ratio close to 40:60. Solder is used to join metal parts, especially wires and components in electrical circuits.

Doubling one mass doubles the force, while doubling the distance cuts it to one-fourth, so the net result is 2 × 1/4 = 1/2.

120 mmHg is the systolic pressure when the ventricles contract, and 80 mmHg is the diastolic pressure when they relax.

The endodermis is the innermost layer of the cortex that surrounds the vascular tissue; it is not a part of the vascular bundle itself.

Chess skill is an acquired trait, built by learning and practice, and acquired traits are not passed on through genes.

A key aim of the partnership is better candidate registration through this platform, together with Aadhaar-based face authentication under the Aadhaar Enabled Biometric Attendance System, so that enrolment and attendance at the institutes are both verifiable.

The agreement signed on 12 October 2026 covers uniform training standards, quality administration and systematic capacity building at the Rural Self Employment Training Institutes, and extends to the settlement of trained candidates, their credit linkage and the monitoring of both.

This is the training target given to the Rural Self Employment Training Institutes for the current year, and it is larger than the target that had been fixed for the previous year, 2025-26.

The Bairabi-Sairang railway line of that length was called a historic milestone that placed Mizoram on the railway map of the country and changed the state’s access to major economic centres.

The Mizoram Ginger Mission of this size is meant to draw nearly 20,000 farming households into a single value chain that covers cultivation, processing, branding, connectivity and access to national and international markets.

Union Minister for Communications and DoNER, Jyotiraditya M. Scindia, took up ten projects of about this value in Mizoram on 12 October 2026 in the presence of Chief Minister Pu Lalduhoma.

Very Severe Cyclonic Storm Phailin crossed the coast on 12 October 2013, and Very Severe Cyclonic Storm Hudhud crossed on 12 October 2014.

The bi-annual Pre-Cyclone Exercise Meeting for the post-monsoon season, covering October to December 2026, was held under the chairmanship of Dr. Mrutyunjay Mohapatra, Director General of Meteorology at the India Meteorological Department, who is also the 3rd Vice President of the World Meteorological Organisation.

The IMD, which works under the Ministry of Earth Sciences, dedicated the Cyclone Warning and Marine Weather Services Decision Support System to the nation on 12 October 2026.