NDA GK Questions 2026

The potato is an underground stem tuber, the swollen tip of an underground branch, and the proof is in its morphology: it bears nodes, the depressions called eyes, and each eye carries an axillary bud that can sprout into a new shoot.

Halophytes are plants of saline soils, chiefly the mangroves of tidal creeks and deltas such as Rhizophora and Avicennia, and their morphology is shaped by that habitat: they bear pneumatophores, negatively geotropic breathing roots that rise out of the waterlogged mud, along with stilt and prop roots for support and…

The government appointed an enquiry committee on the Champaran question with Gandhi as one of its members, and the recommendations of that committee were given effect by the Champaran Agrarian Act of 1918, which abolished the tinkathia obligation and ordered the planters to refund a part of the illegal exactions…

Vallabhbhai Patel, then a successful barrister of Ahmedabad, gave up his practice to work with Gandhi in the villages of Kheda in 1918, and the campaign began the partnership that later produced the Bardoli Satyagraha of 1928, after which he received the title Sardar.

The strike of 1918 arose when the cotton mill owners of Ahmedabad withdrew the plague bonus they had been paying their workers.

Under the tinkathia system a tenant of Champaran had to grow indigo on three kathas out of every twenty kathas of his land for the European planter, and the crop had to be sold at a price the planter fixed.

Raj Kumar Shukla was a cultivator of Champaran who met Gandhi at the Lucknow session of the Congress in 1916 and followed him from place to place until Gandhi agreed to come and see the condition of the indigo tenants for himself.

Gandhi landed at Bombay on 9 January 1915, and the Government of India now observes that date as Pravasi Bharatiya Divas to mark the contribution of the overseas Indian community.

Gandhi read John Ruskin's Unto This Last on a train journey in South Africa in 1904, and the idea that the good of the individual lies in the good of all led him at once to found the Phoenix Settlement near Durban; he later rendered the book into Gujarati under…

Tolstoy Farm was founded in 1910 near Johannesburg on land given by Hermann Kallenbach, a German-born architect and close friend of Gandhi, and it housed the families of satyagrahis who had gone to jail, training them in manual labour and self-discipline.

Gandhi started the weekly Indian Opinion in 1903 in South Africa, and it was printed at the Phoenix Settlement in English and Gujarati, carrying the arguments of the Indian community against discriminatory laws.

The Natal Indian Congress, founded in 1894, was the first political organisation of Indians in South Africa and it was created to oppose a bill that sought to take away the right of Indians to vote in Natal.

Gandhi left for South Africa in 1893 to appear for Dada Abdullah and Company, a Gujarati merchant firm of Durban, in a commercial dispute, and the one year engagement stretched into a stay of twenty-one years.

The EPA names the burning of fossil fuels by power plants and other industrial facilities as the largest source of sulphur dioxide.

All three follow from Einstein's General Theory of Relativity, published in 1915. General relativity explains gravity not as a force but as the curving of space-time by mass and energy; in John Wheeler's words, matter tells space-time how to curve, and space-time tells matter how to move.

Bacteria and fungi grow on artificial media, but viruses multiply only inside living cells. Bacteria and fungi are living cells with their own machinery for making energy and proteins, so they grow on nutrient agar, broth or synthetic media in a laboratory.

The Red Sea lies in a hot desert belt, gets very little rain and has no permanent river flowing into it.

Under dyarchy the provincial subjects were split into transferred and reserved subjects. Dyarchy was introduced in the provinces by the Government of India Act, 1919, based on the Montagu-Chelmsford Reforms.

Bollgard I and Bollgard II are Bt cotton technologies that make the cotton plant resistant to bollworms. Bt cotton carries genes taken from the soil bacterium Bacillus thuringiensis, which make Cry proteins that are toxic to the larvae of bollworms.

Mitochondrial DNA comes only from the mother, and mitochondrial replacement therapy can stop a mitochondrial disease from passing to the child.