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.
CORAS is a separate Commando Unit of
CORAS, the Commando for Railway Security, is the special commando unit raised by the RPF of Indian Railways in 2019.
Read the full explanation →Which one of the following is NOT a cause of depletion in groundwater ?
Planting trees helps recharge groundwater: roots and leaf litter slow the run-off and let rain soak into the soil and down to the aquifers.
Read the full explanation →In which one of the following countries is intensive subsistence agriculture not predominantly practised?
Canada has vast land and a small farming population, so it practises large-scale, mechanised commercial grain farming, not intensive subsistence farming.
Read the full explanation →Spherical mirror formula relating an object distance 'u', image distance 'v' and focal length of mirror 'f' may be applied to a plane mirror when
A plane mirror is a spherical mirror of infinite radius of curvature, so its focal length f = R/2 is also infinite.
Read the full explanation →A person had visited a region in India and found trees, such as Khair, Neem, Khejri and Palas. Which one of the following regions is she/he expected to have visited?
Khair, neem, khejri and palas are typical trees of the tropical thorn forests and scrub of dry areas such as Rajasthan and the edges of the Thar.
Read the full explanation →Which one of the following areas was acquired by the British under the Treaty of Deogaon, 1803?
By the Treaty of Deogaon (December 1803), Raghuji Bhonsle II of Nagpur ceded Cuttack, that is coastal Orissa including Balasore, to the East India Company.
Read the full explanation →Near which one of the following cities in India have large statues of Kushana rulers been discovered ?
At Mat, a village near Mathura, the Kushanas had a dynastic shrine (devakula) where life-size statues of their kings were found.
Read the full explanation →The menstrual cycle in females is controlled by hormones that are secreted by
The pituitary releases FSH and LH, and the ovary responds with estrogen and progesterone; together these hormones run the cycle.
Read the full explanation →Consider the following pairs related to the United Nations (UN) Sustainable Development Goals :
I. Goal 1 : End poverty in all forms everywhere
II. Goal 2 : Ensure healthy lives
III. Goal 3 : Ensure quality education
IV. Goal 4 : Achieve gender equality
How many of the pairs given above are correctly matched?
Only pair I is correct; pairs II, III and IV each give a goal the theme of the next goal.
Read the full explanation →Consider the following pairs with reference to the Constitution of India :
I. Part V : The Union
II. Part X : The Scheduled and Tribal Areas
III. Part XII : Relations between the Union and the States
IV. Part XIV : Amendment of the Constitution
How many of the pairs given above are correctly matched?
Pairs I and II are correct; pairs III and IV are wrong. Part V (Articles 52 to 151) deals with the Union: the President, the Vice-President, the Council of Ministers, Parliament, the Supreme Court and the Comptroller and Auditor-General.
Read the full explanation →The valency of an element depends upon the
Valency is the combining capacity of an atom, and it is decided by the valence electrons it gains, loses or shares to complete its outer shell.
Read the full explanation →The Indian Railways have gone in for qualitative improvements since independence. Which of the following have taken place in recent years ?
1. Gauge conversion
2. Track electrification
3. Automatic signals
Select the correct answer using the codes given below :
Gauge conversion, electrification of tracks and automatic signalling have all been part of the modernisation of Indian Railways. Gauge conversion: under Project Unigauge, started in 1992, metre-gauge and narrow-gauge lines have been steadily converted to broad gauge (1,676 mm) so that trains can run through without transhipment.
Read the full explanation →Name the rebel who fought against the British in the battle of Chinhat in the course of the 1857 Revolt ?
Maulvi Ahmadullah Shah of Faizabad was among the rebel leaders who defeated the British force of Henry Lawrence at Chinhat near Lucknow on 30 June 1857.
Read the full explanation →The Nehru-Mahalanobis Strategy of Development was implemented for the first time by which one of the following Five-Year Plans?
The Second Plan (1956–61) was built on the model prepared by the statistician P. C. Mahalanobis, which gave priority to heavy and basic industries.
Read the full explanation →Fundamental right guaranteed under which one of the following Articles of the Constitution of India is available only to the citizens of India ?
The six freedoms of Article 19, such as speech and expression, assembly and movement, are guaranteed only to citizens of India.
Read the full explanation →Which one of the following is NOT a reason of decrease in biodiversity?
Sacred groves are patches of forest protected by local communities for religious reasons, so they conserve biodiversity instead of reducing it.
Read the full explanation →Which one of the following clouds is a rain-bearing cloud?
The word nimbus means rain cloud: these dark, thick clouds bring steady rain or snow. Nimbus clouds form at low to middle heights and are so dense that sunlight hardly passes through them, which is why they look dark grey or black.
Read the full explanation →Which one of the following hormones is responsible for the development of female sexual characters ?
Estrogen, made mainly by the ovaries, brings about the female secondary sexual characters at puberty. At puberty the pituitary releases FSH and LH, which stimulate the ovaries to secrete estrogen.
Read the full explanation →In India, rigid and stable elevated lands, denuded rocks and series of scarps are the features of which of the following?
The plateau is part of the ancient Gondwana landmass, so it is a rigid, stable block worn down by long erosion.
Read the full explanation →Who among the following is the author of the Hastyayurveda ?
The Hastyayurveda, an ancient Sanskrit treatise on the care and medicine of elephants, is traditionally ascribed to the sage Palakapya.
Read the full explanation →