Railway GK Questions 2026

Tamil Nadu is the first state in India to make rooftop rainwater harvesting structures compulsory for all houses and buildings across the state, through a law brought in 2003.

It is India's first national park, set up in 1936 as Hailey National Park, in the Nainital area of present-day Uttarakhand.

Atomicity is the number of atoms in one molecule of an element, and it is why we write nitrogen gas as N2 and not just N. Nitrogen gas exists as N2, two atoms joined by a strong triple bond, so it is diatomic, like oxygen, hydrogen and chlorine.

A hydrogen ion (H+) is just a bare proton, so it cannot stay alone in water. It at once attaches itself to a water molecule and forms the hydronium ion, H3O+.

The inner transition elements are the lanthanides and actinides, in which electrons fill the f-orbitals, so they form the f-block of the periodic table.

The Golgi apparatus is the main site where glycoproteins and glycolipids are formed. It is a stack of flat, disc-shaped sacs called cisternae, first described by Camillo Golgi in 1898.

In DNA, adenine always pairs with thymine through two hydrogen bonds, and guanine pairs with cytosine through three. This is called complementary base pairing, and it is why one strand of DNA can be used to copy the other.

GDP counts everything produced within the country's borders, whoever produces it. GNP counts what is produced by the country's own normal residents, wherever they work.

M3 is called broad money or aggregate monetary resources. It equals M1 plus the time deposits of the public with banks, so it measures almost all the money available in the economy.

The State Bank of India was not part of the 1969 nationalisation because it was already a government-owned bank.

Puducherry is the only Union Territory spread over both coasts of India. Puducherry and Karaikal lie on the east coast within Tamil Nadu, Yanam lies on the east coast in Andhra Pradesh, and Mahe lies on the west (Malabar) coast within Kerala.

The Narmada divides the Peninsular plateau into two parts: the Central Highlands to its north and the Deccan Plateau to its south.

Granite forms when magma cools slowly deep inside the Earth's crust, so it is an intrusive or plutonic igneous rock.

The Himalayas, about 2,400 km long, are divided from west to east into regions marked by river valleys, and the Nepal Himalayas lie between the Kali in the west and the Teesta in the east.

The Hindan rises in the Saharanpur district of Uttar Pradesh, flows south past Ghaziabad and joins the Yamuna near Greater Noida, on its left bank.

Under Article 131, disputes between the Government of India and one or more States, or between States, can be heard only by the Supreme Court and by no other court.

The 97th Constitutional Amendment Act, 2011 added Article 43B, a new Directive Principle asking the State to promote the voluntary formation, autonomous functioning, democratic control and professional management of cooperative societies.

Certiorari means 'to be certified' or 'to be informed'. By this writ a higher court orders a lower court or tribunal to send up a case pending before it, or quashes an order it has already passed, when there is lack of jurisdiction, excess of jurisdiction or an error of…

Article 239 says every Union Territory is administered by the President, acting through an administrator appointed by him with such designation as he thinks fit.

On 8 and 9 September 1928, young revolutionaries met secretly at the ruins of Feroz Shah Kotla in Delhi and renamed the Hindustan Republican Association as the Hindustan Socialist Republican Association.