INSIGHTS STATIC QUIZ 2020 - 21
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Question 1 of 5
1. Question
Consider the following statements regarding Amazon Rainforest.
- The area covered by Amazon rainforest is larger than Australia.
- The Andes mountains is located to the east of Amazon rainforest.
- The entire Amazon rainforest area is located between equator and Tropic of Capricorn.
Which of the above statements is/are correct?
Correct
Solution: b)
Amazon rainforest covers approximately eight million square kilometres — an area larger than Australia.
Comprising about 40% of Brazil’s total area, it is bounded by the Guiana Highlands to the north, the Andes Mountains to the west, the Brazilian central plateau to the south, and the Atlantic Ocean to the east.
Incorrect
Solution: b)
Amazon rainforest covers approximately eight million square kilometres — an area larger than Australia.
Comprising about 40% of Brazil’s total area, it is bounded by the Guiana Highlands to the north, the Andes Mountains to the west, the Brazilian central plateau to the south, and the Atlantic Ocean to the east.
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Question 2 of 5
2. Question
The Amazon basin is located in which of the following countries?
- Bolivia
- Venezuela
- Suriname
- French Guiana
- Paraguay
Select the correct answer code:
Correct
Solution: b)
The Amazon basin is the part of South America drained by the Amazon River and its tributaries. It is located in the countries of Brazil, Bolivia, Peru, Ecuador, Colombia, Venezuela, Guyana and French Guiana (France).
Incorrect
Solution: b)
The Amazon basin is the part of South America drained by the Amazon River and its tributaries. It is located in the countries of Brazil, Bolivia, Peru, Ecuador, Colombia, Venezuela, Guyana and French Guiana (France).
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Question 3 of 5
3. Question
Consider the following statements regarding Rainforests.
- Rainforests are home to more than half of the world’s plant and animal species.
- Rainforests thrive on every continent on earth.
- The largest rainforests on Earth surround the Amazon River and the Congo River.
Which of the above statements is/are correct?
Correct
Solution: b)
A rainforest is an area of tall, mostly evergreen trees and a high amount of rainfall.
They are home to more than half of the world’s plant and animal species—even though they cover just 6% of Earth’s surface.
Rainforests thrive on every continent except Antarctica. The largest rainforests on Earth surround the Amazon River in South America and the Congo River in Africa.
The tropical islands of Southeast Asia and parts of Australia support dense rainforest habitats.
Incorrect
Solution: b)
A rainforest is an area of tall, mostly evergreen trees and a high amount of rainfall.
They are home to more than half of the world’s plant and animal species—even though they cover just 6% of Earth’s surface.
Rainforests thrive on every continent except Antarctica. The largest rainforests on Earth surround the Amazon River in South America and the Congo River in Africa.
The tropical islands of Southeast Asia and parts of Australia support dense rainforest habitats.
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Question 4 of 5
4. Question
Consider the following statements:
- The soil develops on crystalline igneous rocks in areas of low rainfall.
- They are generally poor in nitrogen, phosphorous and humus.
- They are fertile when fine-grained and are poor in fertility when they are coarse-grained.
The above statements refer to:
Correct
Solution: c)
Red soil develops on crystalline igneous rocks in areas of low rainfall in the eastern and southern part of the Deccan Plateau. Along the piedmont zone of the Western Ghats, long stretch of area is occupied by red loamy soil. Yellow and red soils are also found in parts of Odisha and Chhattisgarh and in the southern parts of the middle Ganga plain. The soil develops a reddish colour due to a wide diffusion of iron in crystalline and metamorphic rocks. It looks yellow when it occurs in a hydrated form. The fine-grained red and yellow soils are normally fertile, whereas coarse-grained soils found in dry upland areas are poor in fertility. They are generally poor in nitrogen, phosphorous and humus.
Incorrect
Solution: c)
Red soil develops on crystalline igneous rocks in areas of low rainfall in the eastern and southern part of the Deccan Plateau. Along the piedmont zone of the Western Ghats, long stretch of area is occupied by red loamy soil. Yellow and red soils are also found in parts of Odisha and Chhattisgarh and in the southern parts of the middle Ganga plain. The soil develops a reddish colour due to a wide diffusion of iron in crystalline and metamorphic rocks. It looks yellow when it occurs in a hydrated form. The fine-grained red and yellow soils are normally fertile, whereas coarse-grained soils found in dry upland areas are poor in fertility. They are generally poor in nitrogen, phosphorous and humus.
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Question 5 of 5
5. Question
Which of the following best describes the ‘Marine upwelling’?
Correct
Solution: c)
Winds blowing across the ocean surface push water away. Water then rises up from beneath the surface to replace the water that was pushed away. This process is known as “upwelling.”
Upwelling occurs in the open ocean and along coastlines. The reverse process, called “downwelling,” also occurs when wind causes surface water to build up along a coastline and the surface water eventually sinks toward the bottom.
Water that rises to the surface as a result of upwelling is typically colder and is rich in nutrients. These nutrients “fertilize” surface waters, meaning that these surface waters often have high biological productivity. Therefore, good fishing grounds typically are found where upwelling is common.
Incorrect
Solution: c)
Winds blowing across the ocean surface push water away. Water then rises up from beneath the surface to replace the water that was pushed away. This process is known as “upwelling.”
Upwelling occurs in the open ocean and along coastlines. The reverse process, called “downwelling,” also occurs when wind causes surface water to build up along a coastline and the surface water eventually sinks toward the bottom.
Water that rises to the surface as a result of upwelling is typically colder and is rich in nutrients. These nutrients “fertilize” surface waters, meaning that these surface waters often have high biological productivity. Therefore, good fishing grounds typically are found where upwelling is common.
