- Which is the largest gulf in the world? — Gulf of Mexico.
- Which river connects Austria with the Black Sea? — Danube.
- Which country is known as the “Land of Maple Leaf”? — Canada.
- What is the Latin name of Mercury? — Hydrargyrum.
- What is known as “Philosopher’s Wool”? — Zinc Oxide.
- Who propounded the Law of Octaves? — John Newlands.
- Which Mughal emperor was known as “Zinda Pir”? — Aurangzeb.
- What was the original name of Nur Jahan? — Mehr-un-Nissa.
- Which Sikh Guru was executed by Aurangzeb? — Ninth Sikh Guru, Guru Tegh Bahadur.
- Which mosquito transmits Yellow Fever? — Aedes mosquito.
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