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Class 7 Exam  >  Class 7 Tests  >  Test: Life in The Tropical and Subtropical Regions - Class 7 MCQ

Test: Life in The Tropical and Subtropical Regions - Class 7 MCQ


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10 Questions MCQ Test - Test: Life in The Tropical and Subtropical Regions

Test: Life in The Tropical and Subtropical Regions for Class 7 2024 is part of Class 7 preparation. The Test: Life in The Tropical and Subtropical Regions questions and answers have been prepared according to the Class 7 exam syllabus.The Test: Life in The Tropical and Subtropical Regions MCQs are made for Class 7 2024 Exam. Find important definitions, questions, notes, meanings, examples, exercises, MCQs and online tests for Test: Life in The Tropical and Subtropical Regions below.
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Test: Life in The Tropical and Subtropical Regions - Question 1
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What is the Amazon Basin known for in terms of its geographical significance?

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The Amazon Basin is renowned for being the largest river basin globally, covering an extensive area of about 7 million square kilometers. This vast basin, also known as Amazonia, holds the world's largest equatorial rainforest, housing an incredibly diverse array of flora and fauna. The basin's sheer size and ecological importance make it a critical region for global biodiversity and climate regulation.
Test: Life in The Tropical and Subtropical Regions - Question 2
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Which ocean lies to the east of the Amazon Basin?

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The Atlantic Ocean borders the eastern edge of the Amazon Basin, influencing the basin's climate, weather patterns, and hydrological systems. This vast body of water plays a significant role in shaping the ecological dynamics of the region, contributing to the basin's overall biodiversity and environmental resilience.
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Test: Life in The Tropical and Subtropical Regions - Question 3
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What distinguishes the Amazon Basin from other regions in terms of its biodiversity?

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The Amazon Basin stands out for its unparalleled biodiversity, hosting a richness of life that surpasses any other region on Earth. The diverse ecosystems within the basin, including the expansive rainforest and interconnected river systems, support an extraordinary variety of plant and animal species. This exceptional biodiversity underscores the Amazon Basin's critical role in preserving global ecological balance and sustaining countless life forms.
Test: Life in The Tropical and Subtropical Regions - Question 4
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Which geographical features border the Amazon Basin?
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The Andes Mountains form the western boundary of the Amazon Basin, providing a natural delineation for this expansive region. These mountains play a crucial role in influencing the climate, biodiversity, and hydrology of the Amazon Basin, acting as a significant geographical feature that impacts the entire ecosystem.
Test: Life in The Tropical and Subtropical Regions - Question 5
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What is the primary reason for the Amazon basin experiencing a hot and wet climate throughout the year?
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The Amazon basin experiences a hot and wet climate year-round primarily because it receives the vertical rays of the Sun consistently. This geographic positioning results in high temperatures ranging from 25°C to 30°C and abundant rainfall exceeding 250 cm annually. The direct sunlight leads to the region's characteristic tropical conditions, with rain showers being a common occurrence, typically in the afternoons.
Test: Life in The Tropical and Subtropical Regions - Question 6
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What type of forests primarily cover the Amazon Basin?
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The Amazon Basin is predominantly covered by dense, evergreen, tropical rainforests known as the selva. These forests are characterized by high levels of biodiversity and are home to a wide variety of plant and animal species.
Test: Life in The Tropical and Subtropical Regions - Question 7
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Which of the following hardwood trees can be found in the Amazon Basin rainforests?
Detailed Solution for Test: Life in The Tropical and Subtropical Regions - Question 7
The Amazon Basin rainforests contain broadleaved hardwood trees such as mahogany, which is a highly valuable timber species used in construction and furniture making due to its durability and attractive appearance.
Test: Life in The Tropical and Subtropical Regions - Question 8
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What is a significant characteristic of the forests in the Amazon Basin in terms of commercial value?
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The forests in the Amazon Basin are known to have limited commercial value due to their dense and difficult-to-penetrate nature, making it challenging for extensive commercial activities like logging to take place on a large scale.
Test: Life in The Tropical and Subtropical Regions - Question 9
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Why are some species in the region considered endangered?
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Certain species in the region are endangered primarily due to persistent hunting activities. This constant threat from human activities poses a significant risk to the survival of these species, leading to a decline in their populations over time.
Test: Life in The Tropical and Subtropical Regions - Question 10
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How many fish species are estimated to inhabit the waters of the region?
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The waters of the region are home to a diverse aquatic ecosystem, with more than 2,000 fish species estimated to inhabit these waters. This wide variety of fish species contributes to the region's aquatic biodiversity and supports the livelihoods of local communities dependent on fishing.
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