Defence GK Questions 2026

When one input is kept fixed and another is added again and again, each extra unit eventually adds less to output than the one before.

Adrenaline, released by the adrenal glands into the blood, speeds up the heart beat when the body faces stress or danger.

These are the five great elements, the Pancha Mahabhuta, that Indian philosophy saw as the building blocks of the physical world.

Water molecules are strongly polar, so they can pull apart the positive and negative ions of a salt and surround them.

A firm in perfect competition faces a perfectly elastic demand curve, but a monopolistically competitive firm faces a downward-sloping, fairly elastic one, not a perfectly inelastic one.

Statements 1 and 3 give the standard definitions, but the Worker Population Ratio counts the employed, not the unemployed. In India these measures come from the Periodic Labour Force Survey.

The anther is the top part of the stamen, the male organ of a flower, and pollen grains form inside it.

The alveoli are tiny air sacs at the end of the smallest airways, and oxygen and carbon dioxide pass through their walls.

Breaking calcium carbonate into quicklime and carbon dioxide needs a steady supply of heat, so the reaction absorbs energy. An endothermic reaction takes in heat from its surroundings, while an exothermic reaction gives heat out.

Platinum is a noble metal and does not combine with oxygen even when heated in air. Metals low in the reactivity series, such as gold and platinum, hold on to their electrons very firmly, so oxygen cannot pull them away under ordinary conditions.

Necessities and luxuries are matched correctly, but an inferior good has a negative income elasticity, not a positive one. Income elasticity of demand is the percentage change in quantity demanded divided by the percentage change in income.

That session treated air power as an instrument of national power and covered deterrence, coercion, escalation control and human capital development.

CAPSS was set up in that year as an autonomous research and analysis body working on national security, nuclear and aerospace questions, which is why the year 2026 marks its Silver Jubilee.

The seminar was held on 9 October 2026 at the Air Force Auditorium, Subroto Park, New Delhi, while this multinational flying exercise was under way, so the participating teams moved from flying sorties to a conceptual discussion on doctrine.

Procurement in these two bag sizes is meant to make the grain easier to lift, load and carry, which matters most where rations have to be taken to remote and difficult terrain such as Ladakh and the North East.

The correct answer is NAFED, the National Agricultural Cooperative Marketing Federation of India Limited, which will supply the rice during the financial year 2026-27 after it is milled to prescribed defence specifications and cleared by quality-control checks.

The MoU signed alongside the launch of Bharat Rice gives the Army a formal framework to use identified FCI warehouses, labour resources and material-handling equipment when operations require them, and it holds for five years with the option of extension by mutual consent.

He took silver in the men's marathon in a national record time of 2:11:37, and that medal closed the long gap of 44 years since India had last stood on an Asian Games marathon podium.

She finished the Games with two gold and one silver, and her win in the individual women's trap event made her the first Indian woman to take gold in that shooting event at the Asian Games.

Athletes of the three Services returned from the Asian Games in Japan with 27 medals, broken up as 6 gold, 11 silver and 10 bronze, which is the best the defence forces have ever managed at the event.