Railway GK Questions 2026

Because water is densest at 4°C, the bottom of a lake stays liquid and relatively warm while the surface freezes, so aquatic animals survive there.

Bronze is an alloy of copper and tin, usually about 88 parts copper to 12 parts tin. Adding tin makes copper harder, stronger and easier to cast, and bronze also resists corrosion well.

A hygrometer measures humidity, that is, the amount of water vapour or moisture in the air. The name comes from the Greek "hygros", meaning wet.

The green pigment of leaves is chlorophyll, and a magnesium atom sits at the centre of every chlorophyll molecule.

Madhyama-vyayoga is a one-act Sanskrit play by Bhasa, based on an episode from the Mahabharata. Bhasa is one of the earliest known Sanskrit dramatists, admired by Kalidasa himself.

The Ajanta caves are cut into a horseshoe-shaped cliff above the Waghora river in Chhatrapati Sambhajinagar (Aurangabad) district of Maharashtra.

Carbofuran, methyl parathion, phorate and triazophos are all insecticides sprayed on crops, and all are highly toxic. Carbofuran is a carbamate; methyl parathion, phorate and triazophos are organophosphates.

Kaumarabhritya is Ayurvedic paediatrics, and the conference named after it was devoted to advancing child healthcare through Ayurveda. The sessions covered Ayurvedic paediatric education, regulatory frameworks, traditional practices and scope for collaboration between countries, and a round-table examined policy, education and research in the discipline.

The international agreement was signed between AIIA Goa and that university, which is located at Fairfield in the state of Iowa, and it provides for an Academic Chair in Ayurveda in the university’s Department of Physiology and Health.

Both agreements were signed at the Foundation Day ceremony to strengthen cooperation between institutions and the sharing of knowledge in Ayurveda.

The All India Institute of Ayurveda in New Delhi celebrated ten years of work in Ayurveda teaching, research, clinical care and international collaboration, and the day fell on the concluding day of KAUMARACON 2026, the three-day international conference on Kaumarabhritya organised by the institute.

HMS Sutherland, the ship the Royal Navy deployed for KONKAN-26, is described as a Duke-class anti-submarine warfare frigate, and anti-submarine warfare was indeed one of the areas the two navies practised during the sea phase.

KONKAN-26 ended in the waters off Plymouth in the United Kingdom, where the Royal Navy’s Fleet Operational Standards and Training organisation put the participating ships through their serials.

The Indian Navy was represented in KONKAN-26 by the stealth frigate INS Trishul, which exercised with HMS Sutherland of the Royal Navy off Plymouth.

KONKAN is the bilateral maritime exercise held between the Indian Navy and the Royal Navy, and the edition named KONKAN-26 concluded off Plymouth in the United Kingdom.

Mitochondria carry their own small, circular DNA and their own ribosomes. Mitochondria are the powerhouses of the cell, where aerobic respiration makes ATP.

The United Nations marks 12 August every year as International Youth Day. The UN General Assembly endorsed the day in 1999, on the recommendation of the World Conference of Ministers Responsible for Youth held in Lisbon in 1998, and it was first observed in 2000.

All three are underground modified stems: the potato is a stem tuber, and onion and garlic are bulbs. A stem can be told from a root by its nodes and buds.

A wave moves forward by one wavelength in each cycle, so 150 wavelengths take 150 cycles, and 150 cycles at 300 per second take half a second.

A floating body is in equilibrium, so the upward buoyant force exactly balances its weight. By Archimedes' principle, a body in a liquid is pushed up by a force equal to the weight of the liquid it displaces.