* The oldest type of energy known to man is geothermal energy.
* Rusting of iron takes place due to oxidation.
* The river also known as Tsangpo in Tibet is Brahmaputra.
* Jhum cultivation is a method of cultivation which used to be practiced in Nagaland.
* We always see the same face of the moon, because it takes equal time for revolution around the earth and rotation on its own axis.
* The largest producer of gold in the world is South Africa.
* The busiest and the most important sea route of the world is North Atlantic Sea Route
* In terms of area, India is the7th largest country of the world.
* The word 'Veda' means knowledge.
* Ain-i-Akbari was written by Abul Fazl.
* Taj Mahal is said to possess the unique feature of being exactly equal in length and breadth.
* The founder of the 'Brahmo Samaj' was Raja Ram Mohan Roy.
* The Revolt of 1857 was started by the Sepoys.
* After leaving the congress, Subhash Chandra Bose formed, in 1939, his own party, named Forward Block .
* Bal Gangadhar Tilak was given the epithet of Lokmanya during Home Rule Movement.
* 'Do or Die' (Karenge ya Marenge) – Gandhiji gave this Mantra to the nation on the eve of Quit India Movement.
* Dr. Rajendra Prasad was the President of the Constituent Assembly of India.
* 'Directive Principle'' in our Constitution are non-enforceable in the courts of law.
* CTBT denotes arms control measure.
* The State carved out of Madhya Pradesh after the Parliament passed the legislation in the year 2000 was Chhattisgarh.
* Dialectial Materialism is associated with the theory of Communism.
* A motion moved by a member in a legislature when it is desired to have a discussion on a matter of urgent public importance is called Adjournment motion.
* The Independent Labour Party was established by B R Ambedkar.
* No Government Expenditure can be incurred in India except with the sanction of the Parliament.
* Lok Sabha or a Vidhan Sabha election candidate forfeit his security deposit When he fails to secure even 1/6 of total votes polled.
* The term of office of the members of the UPSC is 6 years, or till they attain 65 years of age.
* Jai Prakash Narain was in favour of a party less democracy.
* The majority of the provisions of the Indian Constitution can be amended only on ratification by half of the States.
* Economics of Scales means reduction in unit cost of production.
* RBI does not transact the business of Jammu & Kashmir.
* The famous book The General Theory of Employment, Interest and Money is written by J M Keynes.
* The definition of 'small-scale industry' in India is based on investment in machines and equipments.
* Water pipes in hilly areas often burst on a cold frosty night, because water in the pipes freezes and on freezing water expands, so pipes.
* The term 'Laissez-faire' associated with Capitalist economy.
* In the budget figures of the Government of India, interest payments, subsidies, pensions, social services and the like are parts of the Non-plan Expenditure.
* 'Green Accounting' means measuring the National Income of the country taking into account estimation of pollution and environmental damage.
* The supply of agricultural products is generally inelastic.
* The countries separated by the Mac-Mahon Line are China and India.
* The permission given to a bank customer to draw cheques in excess of his current account balance is called an overdraft.
* A proclamation of emergency, under Article 352, on account of war or aggression requires approval of the Parliament within one month.
* The first Defence Minister of India was Baldev Singh.
* Provincial Autonomy was introduced in India by the Government of India Act, 1935.
* The author of the classic book Life Divine is Aurobindo Ghosh.
* The first woman to become a Chief Minister of any State in India was Sucheta Kripalani.
* A parachute descends slowly whereas a stone dropped from the same height falls rapidly, because a parachute has a larger surface area and air resistance is more.
* Jaduguda is associated with the mining of uranium.
* Salim Ali was an eminent Ornithologist.
* 'Survey of India' is under the Ministry of Science and Technology.
* The President of India who was elected unopposed was Dr. Neelam Sanjiva Reddy.
* Ryder Cup is related with Golf.
* In our Constitution, Economic Planning is included in Concurrent list.
* 'NABARD' is associated with the development of agricultural sector and rural area.
* There are 19 strings on a Sarod.
* The tallest bird is Ostrich.
* Earthworm is called farmer's friend.
* The largest planet in our solar system is Jupiter.
* The term 'gene' was coined by W.L.Johanssen
* Protein is most important for the growth of children up to the age of 14.
* Study of newly born up to the age of 3 months is called Neonatology.
* Liver does not secrete any digestive enzyme.
* In a tribute to Mahatma Gandhi's philosophy of brotherhood and peace, the UN General Assembly declared his birth anniversary, October 2, as the International Day of Non-Violence.
* The term 'GM food' refers to the food that is genetically modified.
* The only ape of India found in hill forests of Assam and Nagaland is Gibbon.
* Free Trade refers to unrestricted exchange of goods and service.
* Carbon dioxide gas is used as fire extinguisher.
* Bleaching powder is extensively used for sterilizing water.
* The mixtures of gases that are mainly stored as a liquid under pressure in LPG cylinder are Propane and Butane.
* The energy stored in a watch spring is potential energy.
* The sensation of weightlessness in a spacecraft in an orbit is due to the acceleration in the orbit which is equal to the acceleration due to gravity outside.
* The major constituent of air is nitrogen.
* Bacteria are most likely to produce greenhouse gases such as nitrous oxide and methane.
* The largest reflecting telescope of Asia is in Kavalur.
* 'Therm' is the unit of heat.
* Cream gets separated out of milk when it is churned. This is due to centripetal force.
* Newton's 1st law of motion gives the concept of inertia.
* The process by which sun's rays reach the earth is radiation.
* A pond of water appears less deep due to refraction.