General Knowledge

Mount Etna is the most active volcano in Europe and is located on the east coast of Sicily, Italy. Therefore, the correct answer is Italy.

Bhutan is known as a carbon-negative country because it absorbs more carbon dioxide than it emits, largely due to its extensive forest cover and commitment to environmental sustainability.

Kawah Ijen volcano is located in Indonesia and is famous for its blue flames caused by burning sulfur gases, which appear as blue lava at night.

According to the latest data from the Australian Bureau of Statistics as of June 2024 and June 2025, Sydney remains Australia's largest city by population with approximately 5.56 million people, while Melbourne's population is slightly lower at around 5.35 million in 2024 and 5.44 million in 2025. Therefore, Sydney is still the largest city by population in Australia.

The book 'Al-Qanun fi al-Tibb' (The Canon of Medicine) was written by the Muslim scientist Abu Ali Sina, also known as Avicenna. It is one of the most famous medical texts in history.

The Tabuik festival is celebrated in India, specifically in West Bengal, by the Bengali Muslim community to commemorate the Islamic month of Muharram. It is not celebrated in Indonesia, Malaysia, or Singapore.

Mandarin Chinese is the most spoken language in the world by number of native speakers, surpassing Arabic, English, and Spanish.

Qin Shi Huangdi was the first Emperor of a unified China, establishing the Qin dynasty in 221 BCE. He is historically recognized as the first to hold the title of Emperor in China.

The Caspian Sea is the largest enclosed inland body of water on Earth, classified as the largest saltwater lake in the world due to its size and salinity.

World Inventors' Day is celebrated on 9th November to honor inventors and their contributions to society. This date was chosen to commemorate the birthday of Hedy Lamarr, a famous inventor and actress.