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NDA GK Questions 2026

Static general knowledge makes up about 90% of Part B of the NDA General Ability Test, about 360 of its 400 marks. The NDA & NA (II) 2026 notice divides it into five sections: Physics (about 25%), Chemistry (about 15%), General Science (about 10%), History, Freedom Movement etc. (about 20%) and Geography (about 20%). Half of Part B is science. Physics covers matter, motion, gravitation, heat, sound, light, magnetism, electricity and the working of everyday devices such as the siphon, pressure cooker, periscope and safety fuse. Chemistry covers changes of matter, elements and compounds, common gases, acids, bases and salts, carbon, fertilizers and the materials used to make soap, glass, cement and gunpowder. General Science covers cells, the human body, diseases, diet, the solar system and eminent scientists. Section D spans Indian history and culture, the freedom movement, the Constitution, Five Year Plans, Panchayati Raj and world history from the Renaissance to the Russian Revolution. Geography covers the Earth, rocks, oceans, the atmosphere and climate, and India's resources, industries, ports and trade. This page holds GK24's topic-wise GK notes for NDA, in English and Hindi, written as short facts and tables. Read a topic, then solve its quiz and previous-year questions on this site.

NDA GK Questions with Answers

Q4221.General ScienceHard

The gum which coats the silk fibre and is removed by degumming is

  1. A.Fibroin
  2. B.Sericin
  3. C.Chitin
  4. D.Keratin
Show answer
Correct answer: B. Sericin

The silkworm's silk gland secretes a protein called fibroin, and over it a second protein, sericin, which acts as a gum and hardens the cocoon; boiling the cocoon softens the sericin so the filament can be reeled, and removing it afterwards is called degumming, which gives silk its lustre and…

Q4224.General ScienceMedium

Lac is secreted by which insect?

  1. A.Kerria lacca
  2. B.Bombyx mori
  3. C.Apis dorsata
  4. D.Antheraea proylei
Show answer
Correct answer: A. Kerria lacca

The correct answer is A, Kerria lacca, earlier named Laccifer lacca, a tiny scale insect whose female settles on the twigs of a host tree, sucks its sap and secretes the resin we call lac.

Q4225.General ScienceMedium

The waggle dance by which honey bees communicate the direction and distance of a food source was explained by

  1. A.Karl von Frisch
  2. B.Konrad Lorenz
  3. C.Charles Darwin
  4. D.Nikolaas Tinbergen
Show answer
Correct answer: A. Karl von Frisch

The correct answer is A, Karl von Frisch, who decoded the dance language of bees: a round dance for a source near the hive and a waggle or tail-wagging dance for a distant one, in which the angle of the straight run shows the direction of the food relative to…

Q4226.General ScienceHard

In a honey bee colony, drones develop from

  1. A.fertilised eggs laid by the queen
  2. B.unfertilised eggs laid by the queen
  3. C.eggs laid by the worker bees in all cases
  4. D.larvae fed on royal jelly throughout
Show answer
Correct answer: B. unfertilised eggs laid by the queen

The queen can lay both fertilised and unfertilised eggs; the unfertilised ones develop into haploid males called drones, a form of parthenogenesis, while fertilised eggs give rise to diploid females.

Q4231.DefenceMedium

Who chaired the valedictory function of the Defence Correspondents Course at Tezpur?

  1. A.The Defence Secretary
  2. B.The Chief of the Army Staff
  3. C.The General Officer Commanding, Gajraj Corps
  4. D.The Additional Director General (Media and Communication), Ministry of Defence
Show answer
Correct answer: C. The General Officer Commanding, Gajraj Corps

Lieutenant General Neeraj Shukla, who holds that command, chaired the closing ceremony at Tezpur at the end of the three-week course taken by 24 journalists.

Q4234.DefenceMedium

Which two shipyards are building the Indian Navy's Next Generation Offshore Patrol Vessels?

  1. A.Goa Shipyard Limited and GRSE Kolkata
  2. B.Mazagon Dock and Cochin Shipyard
  3. C.Cochin Shipyard and Goa Shipyard Limited
  4. D.GRSE Kolkata and Hindustan Shipyard
Show answer
Correct answer: A. Goa Shipyard Limited and GRSE Kolkata

Construction of the Next Generation Offshore Patrol Vessels is being carried out at these two yards at the same time, and the ships are both designed and built in India.

Q4237.DefenceMedium

The Vice-President paid tribute at the event to which Param Vir Chakra awardee?

  1. A.Lance Naik Albert Ekka
  2. B.Captain Vikram Batra
  3. C.Subedar Joginder Singh
  4. D.Major Somnath Sharma
Show answer
Correct answer: A. Lance Naik Albert Ekka

While recalling his tenure as Governor of Jharkhand and speaking of the State's proud tradition of military service and sacrifice, the Vice-President paid tribute to this Param Vir Chakra awardee, and in the same breath recalled the tribal freedom fighters of the region, among them Bhagwan Birsa Munda, Tilka Manjhi…

Q4238.DefenceMedium

Which health scheme for veterans was among the services offered at the stalls of the mela?

  1. A.Ayushman Bharat Digital Mission
  2. B.Central Government Health Scheme
  3. C.Ex-Servicemen Contributory Health Scheme
  4. D.Employees' State Insurance Scheme
Show answer
Correct answer: C. Ex-Servicemen Contributory Health Scheme

Its services were set up at the mela along with displays of weapons and military equipment, disaster relief facilities, medical screening and blood donation camps, women's health awareness work, NCC activities and pension-related counters.

Q4239.DefenceMedium

What does the theme of the mela, Sadaiv Aapke Saath, mean, and for whom was the event organised?

  1. A.Always with You; for ex-servicemen, Veer Naris and their dependents
  2. B.Service before Self; for serving soldiers on the border
  3. C.Always Ready; for cadets of the National Cadet Corps
  4. D.Nation First; for families of serving officers only
Show answer
Correct answer: A. Always with You; for ex-servicemen, Veer Naris and their dependents

Sadaiv Aapke Saath translates as Always with You, and the Vice-President asked that it become a continuing national commitment rather than the slogan of one event.