NDA 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.

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.

On 15 January 1949 General K. M. Cariappa took charge as the first Indian Commander in Chief of the Indian Army, replacing the last British holder of the post, and the day has been observed as Army Day ever since.

Article 53 of the Constitution vests the supreme command of the defence forces of the Union in the President, and the exercise of that command is regulated by law; commissions to officers are granted in the President's name.

The Department of Biotechnology was created in 1986 under the Ministry of Science and Technology to give the subject a separate home, and it supports institutions, fellowships and national facilities; the Review Committee on Genetic Manipulation also works under it.

The two polypeptide chains of the hormone are made in genetically engineered bacteria and then joined by disulphide bonds, giving insulin identical to the human hormone, which ended the dependence on insulin extracted from the pancreas of cattle and pigs and the allergy that sometimes followed.

Rhizobium lives in symbiosis in the root nodules of pulses and fixes atmospheric nitrogen into a form the plant can use, which enriches the soil and reduces the need for nitrogen fertiliser.

A single plant cell retains the capacity to divide and differentiate into every tissue and so to regenerate a whole plant, which is why an explant grown on a sterile nutrient medium can form callus and then complete plantlets.