Defence GK Questions 2026

The correct answer is Admiral Krishna Swaminathan, the Chief of the Naval Staff, who opened the conference by reviewing the prevailing maritime security environment and the Indian Navy’s operational posture, and who underlined combat readiness, agility, responsiveness and faster technology absorption.

Referring to the situation in West Asia, Raksha Mantri Rajnath Singh highlighted the Navy’s conduct of this operation and its contribution to safeguarding India’s energy security, in an address that also stressed Aatmanirbharta, indigenous capability development and technology absorption.

The Ministry of Defence stated that the second edition of the conference commenced there, bringing together the senior leadership of the Indian Navy, including Operational and Area Commanders, for deliberations on operational preparedness, maritime security and future capability development.

Germanium is not used to build light emitting diodes because it is an indirect band gap semiconductor, so an electron falling back across the gap gives up most of its energy as heat in the crystal rather than as light.

This is the statement that is not correct, because water has a much higher surface tension than ethyl alcohol.

Salinity is the quantity of dissolved salt, in grams, present in one thousand grams of sea water, so it is read as parts per thousand.

Five writs can be issued: habeas corpus, mandamus, prohibition, certiorari and quo warranto. Habeas corpus asks that a detained person be produced before the court.

Villi are the small finger-like folds on the inner wall of the small intestine, so they belong to the digestive system.

The gastric glands in the stomach wall release three things: hydrochloric acid, the enzyme pepsin and mucus.

Hydrogen has three isotopes: protium with one proton and no neutron, deuterium with one proton and one neutron, and tritium with one proton and two neutrons.

A whale is a mammal, not a fish, so it breathes with lungs and must come to the surface to take air through a blowhole on top of its head.

Article 17 abolishes untouchability and forbids its practice in any form. It sits in Part III among the Fundamental Rights, under the right to equality, and it is one of the few rights that works against ordinary citizens as well as against the State.

The Integrated Test Range of the DRDO lies at Chandipur on the Balasore coast of Odisha, and its launch complex on Dr Abdul Kalam Island, earlier called Wheeler Island, off the same coast is used for longer range tests.

The Prime Minister commissioned INS Vikrant at Kochi on 2 September 2022; built by Cochin Shipyard, it is the first aircraft carrier designed and built in India and it carries the name of the older Vikrant that served in the 1971 war.

India keeps two ladders of gallantry awards. Away from the battlefield the order is Ashoka Chakra, Kirti Chakra and Shaurya Chakra, so Ashoka Chakra stands highest in peacetime.

Nag is a third generation fire and forget anti tank missile of the IGMDP, and its helicopter launched version is called Helina.

BrahMos is built by a joint venture of India and Russia, and its name joins the Brahmaputra of India with the Moskva of Russia; it is a supersonic cruise missile that flies at nearly three times the speed of sound and can be launched from land, ships, submarines and aircraft.

The Integrated Guided Missile Development Programme was approved in 1983 and run under his leadership at the Defence Research and Development Laboratory, which is why he is called the Missile Man of India; it produced Prithvi, Agni, Trishul, Akash and Nag.

The National Defence Academy is the only academy in which cadets of the Army, Navy and Air Force undergo joint training before moving to their own service academies for pre commission training.

On the night of 4 December 1971 Indian missile boats attacked Karachi harbour in Operation Trident, sinking Pakistani vessels without loss, and the Navy marks the date as Navy Day.