Q1. Which country has the longest coastline in the world?
a) Australia
b) Canada
c) Russia
d) United States
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Correct Answer: b) Canada
Explanation: Canada has the longest total coastline in the world, stretching over 202,080 km. This extensive coastline fronts on the Pacific Ocean to the west, the Atlantic Ocean to the east, and the Arctic Ocean to the north, making it a unique geographical feature of the country.
Q2. Which is the largest ocean in the world by area?
a) Atlantic Ocean
b) Indian Ocean
c) Pacific Ocean
d) Southern Ocean
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Correct Answer: c) Pacific Ocean
Explanation: The Pacific Ocean is the largest ocean, covering an area of 181,343,000 square kilometers. It is significantly larger than the world’s second-largest ocean, the Atlantic Ocean, and contains almost twice as much water.
Q3. Which country has the second longest coastline in the world?
a) United States
b) Indonesia
c) Norway
d) Russia
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Correct Answer: a) United States
Explanation: The United States has the second longest coastline in the world, with a total length of 133,312 km. This extensive coastline includes both the mainland and the numerous islands and territories that the country possesses.
Q4. Which lake is considered the largest lake in the world by area?
a) Lake Superior
b) Lake Victoria
c) Caspian Sea
d) Lake Baikal
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Correct Answer: c) Caspian Sea
Explanation: The Caspian Sea is conventionally considered the world’s largest lake by area, covering approximately 374,000 square kilometers. Despite being called a sea, it is a saline lake without an outlet to the ocean.
Q5. Which country has the most lakes in the world?
a) Canada
b) Russia
c) United States
d) Finland
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Correct Answer: a) Canada
Explanation: Canada is home to the largest number of lakes in the world, with over 879,800 lakes that are 0.1 sq. km or larger. This accounts for about 62% of the world’s lakes, significantly impacting the country’s geography and climate.
Q6. What is the deepest lake in the world?
a) Lake Tanganyika
b) Lake Baikal
c) Lake Superior
d) Lake Vostok
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Correct Answer: b) Lake Baikal
Explanation: Lake Baikal in Russia is the deepest lake in the world, with a maximum depth of approximately 1,642 meters. It is also one of the oldest and clearest lakes, containing about 20% of the world’s unfrozen freshwater reserve.
Q7. Which ocean is the saltiest in the world?
a) Atlantic Ocean
b) Pacific Ocean
c) Indian Ocean
d) Arctic Ocean
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Correct Answer: a) Atlantic Ocean
Explanation: The Atlantic Ocean is generally considered the saltiest of the world’s major oceans. Its salinity is influenced by its water circulation patterns, evaporation rates, and the limited influx of fresh water from rivers compared to other oceans.
Q8. Which country has the largest exclusive economic zone (EEZ)?
a) United States
b) Australia
c) Russia
d) France
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Correct Answer: d) France
Explanation: France has the largest exclusive economic zone (EEZ) in the world, thanks to its numerous overseas territories and islands scattered across the oceans. The EEZ of France covers more than 11 million square kilometers, providing significant maritime rights and resources.
Q9. What is the largest freshwater lake in the world by volume?
a) Lake Superior
b) Lake Baikal
c) Lake Victoria
d) Lake Tanganyika
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Correct Answer: b) Lake Baikal
Explanation: Lake Baikal is not only the deepest but also the largest freshwater lake by volume in the world. It contains roughly 20% of the world’s unfrozen surface fresh water, with an estimated volume of 23,600 cubic kilometres.
Q10. Which sea is known as the world’s largest inland body of water?
a) Mediterranean Sea
b) Black Sea
c) Caspian Sea
d) Red Sea
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Correct Answer: c) Caspian Sea
Explanation: The Caspian Sea is known as the world’s largest inland body of water, spanning an area of approximately 374,000 square kilometers. Despite being called a sea, it is a saline lake and does not connect to the world’s oceans.