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.
Mitra Shakti is a joint army exercise between India and which country?
Mitra Shakti is the army exercise between India and Sri Lanka, held alternately in the two countries, with training in counter-terrorism and in operations under a United Nations mandate.
Read the full explanation →Garuda is an air force exercise of India with which country?
Garuda is the bilateral air exercise between the Indian Air Force and the French Air and Space Force, held alternately at Indian and French bases, with fighter, transport and refuelling aircraft taking part.
Read the full explanation →Ekuverin, a joint military exercise of the Indian Army, is held with which country?
Ekuverin means friends in Dhivehi, the language of the Maldives, and the exercise is held alternately in India and the Maldives between the Indian Army and the Maldives National Defence Force.
Read the full explanation →Indra is a joint military exercise of India with which of the following countries?
Indra is the joint exercise between India and Russia; it began as separate army and naval exercises and has also been held as a tri-service exercise, while Aviaindra is the exercise between the two air forces.
Read the full explanation →The joint military exercise Hand-in-Hand is held between India and which country?
Hand-in-Hand is the counter-terrorism army exercise between India and China, in which small contingents of the two armies train together in cordon and search operations and in joint tactical drills.
Read the full explanation →Exercise Malabar began in 1992 as a bilateral naval exercise between India and which country?
Malabar started in 1992 as a bilateral naval exercise between the Indian Navy and the United States Navy. Japan took part in some editions and became a permanent participant in 2015, and Australia joined in 2020, so Malabar is now held among the four Quad navies.
Read the full explanation →Surya Kiran is a joint military exercise conducted by India with which neighbouring country?
Surya Kiran is the battalion-level army exercise between India and Nepal, held alternately in the two countries, in which the Indian Army and the Nepali Army train in jungle warfare, counter-insurgency and disaster relief.
Read the full explanation →Exercise Varuna is a joint naval exercise between India and which country?
Varuna is the bilateral naval exercise between the Indian Navy and the French Navy, held in the Arabian Sea, the Mediterranean or the Atlantic, with surface ships, submarines and maritime patrol aircraft taking part.
Read the full explanation →Joint Military training exercise Ajeya Warrior was carried out between which of the following countries?
Ajeya Warrior is the bilateral army exercise between India and the United Kingdom, held alternately in the two countries, in which the two armies train together in counter-insurgency and counter-terrorism operations in a built-up and semi-urban setting.
Read the full explanation →Which is the longest nerve in the human body?
It is formed from the roots of the lower spine, passes through the buttock and runs down the back of the thigh to the leg and foot, and its compression by a slipped disc causes the pain called sciatica.
Read the full explanation →Involuntary actions such as the heartbeat, breathing and blood pressure are controlled by which part of the brain?
An injury here is fatal because these actions cannot be done at will.
Read the full explanation →Which hormone is called the emergency hormone or the fight-and-flight hormone?
It quickens the heartbeat, raises the blood pressure, widens the air passages, sends more blood to the muscles and releases glucose from the liver, so that the body is ready to fight or to run.
Read the full explanation →How many pairs of cranial nerves are present in the human body?
The cranial nerves arise from the brain and serve the head and neck, among them the optic nerve of sight, the auditory nerve of hearing, the olfactory nerve of smell and the vagus, which is the longest cranial nerve and reaches down to the heart, lungs and stomach.
Read the full explanation →Deficiency of iodine in the diet causes which of the following diseases?
Iodine is needed to make thyroxine, so when the diet is short of it the thyroid gland works harder and enlarges into a visible swelling of the neck called goitre; a severe shortage in a growing child causes cretinism and in an adult myxoedema, and iodised salt is the standard…
Read the full explanation →Insulin is secreted by which cells of the human body?
Insulin lowers the level of glucose in the blood by helping the cells take it in and by having the liver store it as glycogen, and a want of insulin or a failure of the body to respond to it causes diabetes mellitus.
Read the full explanation →Which endocrine gland is known as the master gland of the human body?
It is called the master gland because its secretions control other glands: thyroid stimulating hormone drives the thyroid, adrenocorticotropic hormone the adrenal cortex, and the gonadotropins the testes and ovaries, besides its own growth hormone.
Read the full explanation →Which part of the human brain controls balance and coordination of muscular movement?
The correct answer is B, the cerebellum, which lies below and behind the cerebrum and coordinates the work of the muscles so that movement is smooth and the body stays balanced; this is why a person whose cerebellum is affected by alcohol staggers.
Read the full explanation →Which is the largest endocrine gland in the human body?
The correct answer is B, the thyroid gland, a butterfly-shaped gland in front of the windpipe in the neck, which is the largest purely endocrine gland in the body and secretes thyroxine, triiodothyronine and calcitonin.
Read the full explanation →Which one of the following organs will not feel any pain on being pricked by a needle?
The brain is the organ that interprets pain, but its own tissue has no pain receptors, so cutting or pricking it causes no sensation; the covering membranes, the blood vessels and the scalp do have receptors, which is why a headache hurts.
Read the full explanation →What are the three parts of bacterial flagellum?
A bacterial flagellum is built of exactly these three parts. The filament is the long thread outside the cell, made of the protein flagellin coiled into a hollow helix, and it acts like a propeller.
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