As of 2022, which country is the world’s biggest opium producer?
- A. China
- B. India
- C. Afghanistan
- D. Nepal
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World’s longest seawall is located in which country?
- A. China
- B. South Korea
- C. North Korea
- D. Japan
Correct Answer: B. South Korea
The world’s longest seawall is located in South Korea. The Saemangeum Seawall, located on the southwest coast of the Korean peninsula, is the world’s longest man-made dyke, measuring 33 kilometers.
Who discovered Vitamin B?
- A. Christiaan Eijkman
- B. Katherine Scott Bishop
- C. Cornelis Drebbel
- D. Albert Szent-Gyorgi
Correct Answer: A. Christiaan Eijkman (1897)
The Barakah Nuclear Power Plant is the first Nuclear Power Station of which country?
- A. UAE
- B. Russia
- C. South Korea
- D. Qatar
Correct Answer: A. UAE
Who invented the Diesel Engine?
- A. Rudolf Diesel
- B. Hsing and Ling-Tsan
- C. Anders Celsius
- D. Alfred B. Nobel
Correct Answer: A. Rudolf Diesel (1892)
Boundary line between Germany and Poland established after world war II is called ____.
- A. McMahon Line
- B. 49th Parallel Line
- C. 17th Parallel Line
- D. Oder‐Neisse Line
Correct Answer: D. Oder‐Neisse Line
The Germany–Poland border established after world war II is called Oder–Neisse line. It has a total length of 467 km (290 mi) and has been in place since 1945.
Which Continent is the smallest Continent in terms of Population?
- A. Australia
- B. South America
- C. Antarctica
- D. Europe
Correct Answer: C. Antarctica
The smallest continent by population is Antarctica. Antarctica currently has 0.01 of the world population. Due to the harsh conditions, Antarctica does not have any permanent Residents. The population of Antarctica is 4,490 (Temporary).