Defence GK Questions 2026

Charvaka, also called Lokayata, is the materialist school of Indian philosophy linked with the sage Brihaspati. It accepts perception as the only valid source of knowledge, denies the soul, rebirth and the authority of the Vedas, and holds that the body is made of four elements.

The phrase 'Vasudhaiva Kutumbakam', meaning 'the whole world is one family', comes from a verse of the Maha Upanishad (chapter 6, verse 72).

The Gwalior Prashasti is a Sanskrit eulogy of the Gurjara-Pratihara king Mihira Bhoja (Bhoja I, about 836–885 CE), and its composer was the poet Baladitya.

Adding hydrogen across the double or triple bond of an alkene or alkyne turns it into a saturated alkane; this reaction is called hydrogenation and it needs a catalyst.

Thyroxine is an animal hormone, made by the thyroid gland in the neck, and it controls the rate of metabolism in the human body.

SAGY is run by the Ministry of Rural Development, not the Ministry of Parliamentary Affairs, so statement 1 is wrong.

In the Brønsted–Lowry theory an acid is any substance that gives away a proton, that is a hydrogen ion (H⁺), to another substance.

Of the total Acceptances of Necessity accorded in this meeting, roughly 82 per cent of the procurement is to be made from Indian industry, which places the clearance squarely within the drive for self-reliance in defence production.

In this round of clearances the Navy was approved to procure the Active Offboard Decoy System, which raises the credibility of anti-missile defence, especially against the modern anti-ship missiles that an adversary may use, and along with it other major naval platforms designed and constructed in India.

The Defence Acquisition Council that met on 26 October 2026 was chaired by Raksha Mantri Shri Rajnath Singh, and it accorded Acceptance of Necessity to capital acquisition proposals of the three Services at an estimated cost of about Rs 2,12,000 crore.

All three kinds of wave reflect, carry energy and exert pressure, but only electromagnetic waves can travel through a vacuum.

Loktak Lake lies south of Imphal in Manipur and is the largest freshwater lake in North-East India. Loktak is famous for its phumdis, floating masses of soil, vegetation and decaying organic matter that drift on the water.

A kilogram-metre per second squared is mass times acceleration, which is force; it is the newton, not a unit of energy.

Coating iron or steel with a thin layer of zinc is called galvanisation, and it is the most common way to protect them from rusting.

Tors are piles of rounded, weathered blocks standing on hilltops, and they form typically in granite. Granite cools deep underground and develops a network of joints, or cracks.

Stretching the wire to twice its length makes its resistance four times larger, so at the same voltage the current falls to a quarter.

Jamshedpur stands at the meeting point of the Subarnarekha and Kharkai rivers, not the Damodar and Barakar. Jamsetji Tata chose Sakchi, later named Jamshedpur, and the Tata Iron and Steel Company began production there in 1912.

In his 1913 model of the atom, Bohr proposed that electrons move in certain fixed orbits, called stationary states, in which they do not radiate energy.

The Estimates Committee is drawn entirely from the Lok Sabha, while the other two financial committees include members of the Rajya Sabha.

The Alaska Current and the Agulhas Current carry warm water, while the Falkland and West Australian currents are cold. A useful rule is that currents flowing from the tropics towards the poles are warm and those flowing from high latitudes towards the equator are cold.