Lakes and Waterfalls

1. Lake Balkhash is situated in which one of the following countries ?

Lake Balkhash is situated in which one of the following countries ?

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Kazakhstan
Kyrgyzstan
Russia
Turkmenistan
This question was previously asked in
UPSC CISF-AC-EXE – 2023
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Lake Balkhash is located in Kazakhstan.
It is the largest lake in Kazakhstan and the 15th largest in the world.
Lake Balkhash is unique because its western part consists of fresh water, while its eastern part is saline, separated by a narrow strait. The primary inflow is the Ili River. The lake faces significant environmental challenges due to water diversion from its tributaries.

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2. With reference to Lake Victoria, which of the following statements is/

With reference to Lake Victoria, which of the following statements is/are correct ?

  • 1. The lake is divided among four countries
  • 2. Its area is more than 50,000 sq. km
  • 3. It is situated in the African rift valley

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1 only
1 and 2 only
2 only
1, 2 and 3
This question was previously asked in
UPSC CISF-AC-EXE – 2023
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Only statement 2 is correct regarding Lake Victoria.
Lake Victoria is the largest lake in Africa and the principal reservoir of the Nile River.
Statement 1 is incorrect; Lake Victoria is divided among three countries: Uganda, Kenya, and Tanzania. Statement 2 is correct; its surface area is approximately 68,800 square kilometers, which is well over 50,000 sq km. Statement 3 is incorrect; while located between the two branches of the East African Rift System, Lake Victoria itself is in a basin that was formed by the uplift of the rift margins, not within a rift valley depression.

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3. How are the small lakes in Ireland known as ?

How are the small lakes in Ireland known as ?

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Loughs
Bogs
Creeks
Brooks
This question was previously asked in
UPSC CISF-AC-EXE – 2017
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Small lakes in Ireland are commonly known as Loughs.
‘Lough’ is a term derived from the Gaelic word for a lake or sea inlet, used extensively in Ireland and Scotland (where it is spelled ‘Loch’).
Bogs are types of wetlands, while creeks and brooks are terms used for small streams or rivers. ‘Lough’ specifically refers to a lake or sometimes a fjord-like sea inlet.

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4. The Aral Sea is situated between

The Aral Sea is situated between

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Kazakhstan and Uzbekistan
Kazakhstan and Turkmenistan
Uzbekistan and Turkmenistan
Uzbekistan and Tajikistan
This question was previously asked in
UPSC CISF-AC-EXE – 2017
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The Aral Sea is located in Central Asia, situated between the countries of Kazakhstan and Uzbekistan.
The Aral Sea is an endorheic lake known for its dramatic shrinkage over the past few decades due to the diversion of its inflowing rivers.
Historically one of the world’s largest lakes, the Aral Sea has reduced significantly in size since the 1960s due to large-scale irrigation projects in the Soviet era, leading to severe environmental, social, and economic consequences.

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5. Which one of the following lakes of West Africa has become dry and tur

Which one of the following lakes of West Africa has become dry and turned into a desert ?

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Lake Victoria
Lake Faguibine
Lake Oguta
Lake Volta
This question was previously asked in
UPSC IAS – 2022
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Lake Faguibine in Mali, West Africa, has significantly shrunk and in periods of drought, has effectively dried up and turned into a desert area.
– Lake Faguibine is located north of Timbuktu in Mali. Historically, it was a large lake fed by the Niger River during its annual flood.
– In recent decades, a combination of reduced rainfall in the Niger Basin (drought) and possibly increased upstream water abstraction has led to a dramatic decline in the lake’s water levels.
– The area that was formerly a large lake has largely become desertified, impacting local communities that relied on the lake for fishing and agriculture.
Lake Victoria is in East Africa, Lake Oguta is in Nigeria, and Lake Volta is a man-made lake in Ghana; none of these have dried up and turned into a desert. Lake Chad, located south of the Sahara on the border of Chad, Cameroon, Niger, and Nigeria, is another major African lake that has shrunk dramatically over the past few decades, but Lake Faguibine is specifically known for turning into a desert area due to drying.

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6. Aral Sea in Central Asia is situated along which of the following two

Aral Sea in Central Asia is situated along which of the following two countries ?

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Kazakhstan and Kyrgyzstan
Kazakhstan and Uzbekistan
Uzbekistan and Turkmenistan
Uzbekistan and Kyrgyzstan
This question was previously asked in
UPSC Geoscientist – 2024
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The Aral Sea is an endorheic lake located between Kazakhstan in the north and Uzbekistan in the south. Historically, it was the world’s fourth-largest inland body of water.
The Aral Sea lies between Kazakhstan and Uzbekistan.
The Aral Sea has been shrinking dramatically since the 1960s due to the diversion of the rivers that feed it (the Amu Darya and Syr Darya) for irrigation projects by the Soviet Union.

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