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All questions of South America for Class 6 Exam

What is the capital of Brazil?
  • a)
    Brasília
  • b)
    Buenos Aires
  • c)
    Lima
  • d)
    Santiago
Correct answer is option 'A'. Can you explain this answer?

Brasília is the capital of Brazil, known for its modernist architecture and urban planning. Designed by architect Oscar Niemeyer and urban planner Lúcio Costa, it was officially inaugurated as the capital in 1960, aiming to promote development in the interior of the country and reduce the concentration of political power in the coastal cities.

What is the significance of the Tropic of Capricorn in South America?
  • a)
    It is where the Andes mountains begin.
  • b)
    It marks the location of major cities.
  • c)
    It defines the northern boundary of the continent.
  • d)
    It runs through the continent's center.
Correct answer is option 'D'. Can you explain this answer?

The Tropic of Capricorn runs through the center of South America, crossing important regions such as São Paulo in Brazil and the Atacama Desert. This line of latitude is significant for understanding climate patterns and agricultural practices in the region.

What is a significant feature of the Brazilian Highlands?
  • a)
    It features high mountain peaks only.
  • b)
    It contains old rocks rich in minerals.
  • c)
    It is known for its tropical rainforest.
  • d)
    It is primarily composed of sedimentary rock.
Correct answer is option 'B'. Can you explain this answer?

The Brazilian Highlands contain some of the oldest geological formations in South America, with rocks rich in valuable minerals like iron ore and tin. This geological wealth is significant for the country’s mining industry and contributes to its economic development.

What is the Atacama Desert known for?
  • a)
    Its large mineral deposits of gold
  • b)
    Being the largest desert in South America
  • c)
    Its rich biodiversity
  • d)
    Being the driest non-polar desert in the world
Correct answer is option 'D'. Can you explain this answer?

Flembe Academy answered
The Atacama Desert is recognized as the driest non-polar desert in the world, located in northwest Chile. Its extreme aridity makes it a unique environment that supports limited life forms. Interestingly, despite its harsh conditions, the desert is a major source of sodium nitrate, which is used in fertilizers and explosives.

The Pampas region of South America is primarily known for what type of land use?
  • a)
    Urban development
  • b)
    Mining
  • c)
    Farming
  • d)
    Tourism
Correct answer is option 'C'. Can you explain this answer?

Flembe Academy answered
The Pampas region is renowned for its fertile plains which are ideal for farming. This area is crucial for agriculture in Argentina, particularly for cattle ranching and the production of grains. The rich soil and favorable climate contribute significantly to the economy of the region.

Which gulf is located west of Ecuador in the Pacific Ocean?
  • a)
    Gulf of San Jorge
  • b)
    Gulf of San Matias
  • c)
    Gulf of Guayaquil
  • d)
    Gulf of Penas
Correct answer is option 'C'. Can you explain this answer?

The Gulf of Guayaquil is located west of Ecuador in the Pacific Ocean. It is an important body of water for maritime activities and has significant ecological and economic importance for the region, serving as a hub for fishing and trade.

Which lake is considered the highest navigable lake in the world?
  • a)
    Lake Titicaca
  • b)
    Lake Chungara
  • c)
    Lake Llanquihue
  • d)
    Lake Maracaibo
Correct answer is option 'A'. Can you explain this answer?

Flembe Academy answered
Lake Titicaca, located on the border of Bolivia and Peru, is recognized as the world's highest navigable lake. It sits at an elevation of approximately 3,812 meters above sea level and supports a diverse ecosystem, including over 530 aquatic species. This lake is not only significant for its height but also for its cultural importance to the indigenous communities in the area.

Which geographical feature is primarily found in the eastern part of South America?
  • a)
    Central Lowlands
  • b)
    Atacama Desert
  • c)
    Andes Mountains
  • d)
    Eastern Highlands
Correct answer is option 'D'. Can you explain this answer?

Flembe Academy answered
The Eastern Highlands are primarily located in the eastern part of South America. This region comprises ancient geological formations and includes significant areas such as the Guiana Highlands and Brazilian Highlands, which are rich in minerals and biodiversity.

What is the main source of the Amazon River?
  • a)
    A glacial stream in the Peruvian Andes
  • b)
    The Atlantic Ocean
  • c)
    The Orinoco River
  • d)
    Lake Titicaca
Correct answer is option 'A'. Can you explain this answer?

Flembe Academy answered
The Amazon River originates from a glacial stream in the Peruvian Andes, located approximately 240 kilometers from the Pacific Ocean. This source is critical as it sets the river's vast flow that eventually empties into the Atlantic Ocean, contributing to its extensive drainage basin.

Which river is the largest tributary of the Amazon River?
  • a)
    Colorado River
  • b)
    Rio Negro
  • c)
    Orinoco River
  • d)
    Parana River
Correct answer is option 'B'. Can you explain this answer?

Flembe Academy answered
The Rio Negro is the largest tributary of the Amazon River, flowing through Colombia and Brazil. It merges with the Amazon near Manaus, Brazil, and is notable for its dark color due to the high levels of organic matter. This river supports a rich diversity of flora and fauna and is essential for the ecological health of the Amazon rainforest.

Which country is home to the highest peak in the Andes Mountains?
  • a)
    Chile
  • b)
    Argentina
  • c)
    Bolivia
  • d)
    Peru
Correct answer is option 'B'. Can you explain this answer?

Argentina is home to Aconcagua, the highest peak in the Andes Mountains, standing at 6,962 meters above sea level. This peak is not only the tallest mountain outside of Asia but also a popular destination for climbers and trekkers due to its challenging yet accessible routes.

What type of climate can be found in the Andes Mountains?
  • a)
    Temperate
  • b)
    Desert
  • c)
    Varied climates from freezing cold to warm
  • d)
    Tropical rainforest
Correct answer is option 'C'. Can you explain this answer?

Flembe Academy answered
The Andes Mountains exhibit a wide range of climates due to their vast length and elevation changes. This includes conditions that range from freezing cold at higher altitudes to warmer climates at lower elevations. This climatic diversity supports a variety of ecosystems and wildlife.

Which of the following countries is NOT located in South America?
  • a)
    Chile
  • b)
    Peru
  • c)
    Mexico
  • d)
    Argentina
Correct answer is option 'C'. Can you explain this answer?

Flembe Academy answered
Mexico is not located in South America; it is situated in North America. In contrast, Argentina, Chile, and Peru are all countries found within the South American continent. This distinction is important when discussing geographical and political contexts.

What is the primary river that drains the Amazon Basin?
  • a)
    Orinoco River
  • b)
    Amazon River
  • c)
    Colorado River
  • d)
    Parana River
Correct answer is option 'B'. Can you explain this answer?

The Amazon River is the main river draining the Amazon Basin, which is known for having the largest drainage basin in the world. It flows through several countries, including Brazil, Peru, and Colombia, and is pivotal for maintaining the vast tropical rainforest ecosystem that surrounds it.

Which physical feature separates southern South America from the Tierra del Fuego islands?
  • a)
    Lake Titicaca
  • b)
    Andean Mountains
  • c)
    Gulf of Guayaquil
  • d)
    Drake Passage
Correct answer is option 'D'. Can you explain this answer?

The Drake Passage is the strait that separates southern South America from the Tierra del Fuego islands. This passage is significant for maritime navigation and is known for its challenging conditions, which are caused by the confluence of the Atlantic and Pacific Oceans. It plays a crucial role in global ocean currents.

Which mountain range is the longest in the world?
  • a)
    Andes Mountains
  • b)
    Rocky Mountains
  • c)
    Appalachian Mountains
  • d)
    Himalayas
Correct answer is option 'A'. Can you explain this answer?

The Andes Mountains hold the title of the world's longest mountain range, stretching approximately 8,850 kilometers along the western edge of South America. This majestic range is characterized by its diverse geography and climate, housing the highest peak outside of Asia, Aconcagua, which stands at 6,962 meters. The Andes play a crucial role in the continent's ecology and weather patterns.

What is the primary factor contributing to the biodiversity of the Amazon rainforest?
  • a)
    Its hot, wet climate
  • b)
    Its latitude
  • c)
    Its elevation
  • d)
    Its geological age
Correct answer is option 'A'. Can you explain this answer?

Flembe Academy answered
The Amazon rainforest's hot, wet climate is the primary factor contributing to its rich biodiversity. This climate creates ideal conditions for a wide variety of plant and animal species to thrive, making the Amazon one of the most diverse ecosystems on the planet.

Which geological region of South America is made up of igneous and metamorphic rocks?
  • a)
    Central Lowlands
  • b)
    Coastal Plains
  • c)
    Eastern Highlands
  • d)
    Andes Mountains
Correct answer is option 'C'. Can you explain this answer?

Flembe Academy answered
The Eastern Highlands are characterized by their composition of igneous and metamorphic rocks. This region includes various highland areas such as the Guiana Highlands, Brazilian Highlands, and Patagonian Highlands. The geological features of these highlands have significant implications for the mineral resources and ecology of the region.

Which river is known for being vital for transportation in Venezuela and Colombia?
  • a)
    Amazon River
  • b)
    Orinoco River
  • c)
    Rio Negro
  • d)
    Parana River
Correct answer is option 'B'. Can you explain this answer?

Flembe Academy answered
The Orinoco River is crucial for transportation in both Venezuela and Colombia. It serves as a major waterway, facilitating trade and travel in the region and is home to diverse wildlife, including the endangered Orinoco crocodile. This river plays a significant role in the local economy and ecology.

What does Lake Maracaibo primarily receive its water from?
  • a)
    The Atlantic Ocean
  • b)
    The Amazon River
  • c)
    Glacial melt
  • d)
    The Caribbean Sea and freshwater rivers
Correct answer is option 'D'. Can you explain this answer?

Flembe Academy answered
Lake Maracaibo is primarily fed by the Caribbean Sea and several freshwater rivers, notably the Catatumbo River. This lake is significant not only for its size but also for its unique ecological and climatic conditions, including the frequent lightning storms that occur in its vicinity.

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