UPSC Civil Services GK Questions 2026

The Great Barrier Reef stretches for well over two thousand kilometres along the Queensland coast in the Coral Sea, off the north eastern shore of Australia, and is the largest structure on earth built by living organisms.

Sir Thomas Roe reached India in the second decade of the seventeenth century as the formal ambassador of James the First of England and spent about three years at Jahangir's court, seeking a firm commercial treaty for the East India Company; he obtained trading concessions but not the treaty he…

Abdur Razzaq Samarqandi came from Herat in the fifteenth century as the envoy of the Timurid ruler Shah Rukh, and his account, part of the work Matla-us-Sadain, describes the great fortifications of Vijayanagara in seven concentric walls, the crowded bazaars, the jewel market and the court ceremony, and it is…

Al-Biruni wrote this work in Arabic in the eleventh century as a careful account of Indian religion, philosophy, astronomy, mathematics, law, custom and measurement, setting out each belief as its own followers held it and comparing it with Greek and Islamic learning; he had learned Sanskrit for the purpose, and…

Fa-Hien travelled overland into India at the close of the fourth century and stayed for several years, coming chiefly to collect the texts of Buddhist monastic discipline; his account, known as the Record of the Buddhist Kingdoms, notes the charitable rest houses and hospitals, the mildness of punishments and the…

After Alexander's death his general Seleucus Nicator took the eastern part of the empire, was defeated by Chandragupta Maurya and made peace with him, and sent Megasthenes to his court as ambassador.

Bernier was a French physician who spent about twelve years in India in the middle of the seventeenth century and was attached to Prince Dara Shikoh as his physician, later serving the noble Danishmand Khan; he therefore watched the war of succession among Shah Jahan's sons from close quarters.

Marco Polo belonged to a family of merchants of the Republic of Venice, then the leading trading city of the Mediterranean, and he travelled overland to the court of Kublai Khan in China, returning by sea at the end of the thirteenth century.

Abu Rayhan al-Biruni was born in Khwarezm, a region that lies in modern Uzbekistan, and came to India in the eleventh century in the train of Mahmud of Ghazni.

Ibn Battuta, a qazi from Tangier in Morocco, reached Delhi in the 1330s, and the Sultan, impressed by his learning, appointed him qazi of the capital and later sent him as an envoy to the court of China.

Hsuan Tsang, also written Hiuen Tsang or Xuanzang, reached India in the seventh century and spent years in the empire of Harshavardhana of Kannauj, who received him with honour; he studied at the monastery of Nalanda under Shilabhadra, attended the great religious assemblies at Kannauj and at Prayag, and recorded…

The United Nations Environment Programme and the World Meteorological Organization jointly created the panel in 1988 to give governments a common scientific basis for climate policy.

The tiger range countries met at a summit in St Petersburg in Russia in 2010 and agreed to work towards doubling the number of wild tigers, and 29 July was adopted as International Tiger Day, also called Global Tiger Day, at that meeting.

On the night of 2 and 3 December 1984 methyl isocyanate leaked from a pesticide plant at Bhopal and killed thousands of people in the surrounding settlements, and India keeps 2 December as National Pollution Control Day in memory of the victims and as a reminder of the need for…

The index is academic work, produced by the Yale Center for Environmental Law and Policy together with a centre at Columbia University, and it ranks countries on indicators of environmental health and ecosystem vitality.

Its central measure, the Living Planet Index, is prepared with the Zoological Society of London and shows how populations of mammals, birds, fish, reptiles and amphibians have changed over time.

The report compares the emission cuts that countries have actually promised with the cuts the world would need to hold warming to agreed limits, and the difference between the two is the gap of the title; UNEP releases it shortly before the annual climate conference.

It has brought out the report once in two years since 1987, assessing forest cover and tree cover state by state from satellite imagery.

The Convention on Wetlands was signed on 2 February 1971 in the Iranian city of Ramsar on the shore of the Caspian Sea, and it is the oldest of the modern global conservation treaties; the day has been observed on that anniversary since 1997.

The correct answer is B, the Montreal Protocol, which was signed on 16 September 1987 and commits countries to phasing out chlorofluorocarbons and other substances that destroy stratospheric ozone; the day is formally called the International Day for the Preservation of the Ozone Layer.