RRB Group D GK Questions 2026

Humus is the dark, formless material left in soil after decomposers have broken down dead leaves, roots and animal remains; it resists further microbial attack and decays only very slowly, which makes it the long term store of carbon and nutrients in soil and a key step in every biogeochemical…

The Ministry of AYUSH was created on 9 November 2014 by upgrading the existing department, so that the traditional systems of medicine would have a ministry and a minister of their own.

These three are the Brihat Trayi, the great triad of Ayurvedic literature: Charaka on internal medicine, Sushruta on surgery and Vagbhata summarising both in the Ashtanga Hridaya.

Ibn Sina, called Avicenna in Europe, compiled Al-Qanun fi al-Tibb, the Canon of Medicine, which organised the medical knowledge of his age into a single system and was taught in Asian and European schools for centuries; it remains a basic text of Unani medicine.

Hahnemann was a German physician who set out the principles of homoeopathy in the Organon of Medicine, chief among them the maxim similia similibus curentur, let like be cured by like, together with the law of the minimum dose and the method of potentisation.

The United Nations General Assembly adopted a resolution on 11 December 2014 declaring 21 June the International Day of Yoga, and the day was observed for the first time in 2015.

Patanjali compiled the Yoga Sutras, the foundational text of the yoga school of Indian philosophy, and in it he lays out Ashtanga Yoga, the eight limbs: Yama, Niyama, Asana, Pranayama, Pratyahara, Dharana, Dhyana and Samadhi.

The Sushruta Samhita is the classical Indian treatise on Shalya Tantra, surgery, and it describes operations for cataract and for bladder stone, the repair of a severed nose that later writers called rhinoplasty, the eight kinds of surgical procedure and a long list of surgical instruments, which is why Sushruta…

Sowa-Rigpa, the science of healing, is the Amchi system of medicine practised in the Himalayan belt of Ladakh, Lahaul and Spiti, Sikkim, Arunachal Pradesh and the Darjeeling hills, and its foundational text is the Gyud-Zhi or Four Tantras.

In Ujjayi the throat is slightly narrowed while breathing through the nose, so the air makes a soft continuous hiss that is commonly compared with the sound of the sea or of waves; for that reason it is called the ocean breath, and the name itself means victorious.

Indian tradition, and the Bhagavad Gita in particular, sets out three classical paths by which a seeker may reach the spirit: jnana yoga, the path of knowledge and discrimination; bhakti yoga, the path of devotion and surrender; and karma yoga, the path of selfless action performed without attachment to its…

Samatvam means equanimity or evenness, the steadiness of mind that is not shaken by success or failure, and the Bhagavad Gita uses the expression samatvam yoga uchyate, evenness of mind is called yoga.

The word yoga comes from the Sanskrit root yuj, to join or to yoke, and the classical tradition treats it as a discipline that unites the individual self with the higher self.

Linlithgow was Viceroy from 1936 to 1944, so the Second World War, the resignation of the Congress ministries, the August Offer of 1940, the Cripps Mission of 1942 and the suppression of the Quit India Movement all fall in his tenure.

At Champaran in Bihar the peasants were compelled under the tinkathia system to grow indigo on a part of their holding for the European planters.

The Lahore session of December 1929, presided over by Jawaharlal Nehru, declared Purna Swaraj to be the goal of the Congress, authorised the launch of civil disobedience and called upon the people to observe 26 January 1930 as Independence Day, which is why that date was later chosen for the…

The Poona Pact was signed on 24 September 1932 while Gandhi was on a fast unto death in Yerwada jail against the separate electorates granted to the depressed classes by the Communal Award.

The Gandhi-Irwin Pact, also called the Delhi Pact, was signed on 5 March 1931 between Gandhi and the Viceroy Lord Irwin.

Gandhi set out from the Sabarmati Ashram on 12 March 1930 with 78 chosen volunteers and walked about 385 kilometres in twenty four days to the coastal village of Dandi, where he picked up a lump of natural salt on 6 April 1930 and broke the salt law, opening the…

On 5 February 1922 a crowd at Chauri Chaura in Gorakhpur district of the United Provinces set fire to a police station and twenty two policemen died.