RRB Group D GK Questions 2026

Papaya is raised from seed, so it is not multiplied by vegetative propagation the way the other three plants are.

India allows 100 per cent foreign direct investment through the automatic route in the construction, operation and maintenance of rail infrastructure projects.

Sindhi was added to the Eighth Schedule of the Constitution by the 21st Constitutional Amendment Act of 1967. The Eighth Schedule is the list of languages the Constitution recognises, and a candidate may take the civil services examination in any of them.

A line of trees or tall shrubs works as a windbreak: it slows the wind close to the ground so the moving air can no longer lift loose soil.

Green plants give out oxygen only during photosynthesis, the process in which they use light energy to make their own food.

In 1820 the Danish scientist Hans Christian Oersted saw that a compass needle kept near a wire swung aside the moment a current flowed through the wire, and swung the other way when the current was reversed.

The loudness or intensity level of sound is measured in decibels (dB), a unit named after Alexander Graham Bell.

C. R. Das was the Calcutta barrister who defended Aurobindo Ghosh in the Alipore bomb case, gave up a large practice for the non-cooperation movement, and founded the Swaraj Party with Motilal Nehru to contest the legislative councils.

Milkha Singh was a sprinter who won the four hundred metres gold at the Commonwealth Games of 1958 and at the Asian Games, and who finished fourth in the four hundred metres final at the Rome Olympics of 1960.

Kurien built the cooperative dairy at Anand in Gujarat, gave the country the Amul brand and headed the National Dairy Development Board, whose Operation Flood turned India into a large milk producer.

Sarabhai set up the Physical Research Laboratory at Ahmedabad, persuaded the government that a developing country needed space technology for communication and weather, and built the Thumba Equatorial Rocket Launching Station in Kerala, so he is called the father of the Indian space programme.

Kalam worked on the SLV-3 launch vehicle and then led the Integrated Guided Missile Development Programme, out of which the Agni, Prithvi, Trishul, Akash and Nag missiles came, and that work gave him the name Missile Man of India.

The historian V. A. Smith first described Samudragupta as the Napoleon of India, because of the long list of kings and republics he subdued, recorded in the Allahabad pillar inscription, or Prayag Prashasti, composed by his court poet Harisena.

He organised the Khudai Khidmatgar, the servants of God, also known as the Red Shirts, in the North West Frontier Province, and he held to non-violence so completely that he became known as the Frontier Gandhi, or Sarhadi Gandhi.

Valentine Chirol, a British journalist, used the phrase Father of Indian Unrest for Tilak in his writing on Indian politics, and Tilak sued him for libel in England.

Naoroji was a founder of the Indian National Congress, its President three times, and the first Indian to be elected to the British House of Commons.

Naidu was a poet in English whose collections include The Golden Threshold and The Bird of Time, and the lyrical quality of her verse earned her the name Nightingale of India, or Bharat Kokila.

Bose addressed Gandhi as the Father of the Nation in a radio broadcast made while he was leading the Azad Hind movement during the Second World War, and the phrase has stayed with Gandhi ever since.

Patel was the first Deputy Prime Minister and Home Minister of India, and he persuaded or pressed more than five hundred princely states into joining the Indian Union after 1947.

Chapchar Kut is the best known festival of the Mizo, held in March once the jhum fields have been cleared and burnt and the villagers wait for the sowing rains.