Amazon River: Explore the World's Second Longest River

Question 1

Which is helpful for protecting the Amazon rainforest and its animals?

Accepted Answer

Visiting the rainforest carefully

Answer

Cutting down trees

Answer

Warmer temperatures

Answer

Dirty water and air

Question 2

Which human activity poses the greatest threat to the Amazon River's biodiversity?

Accepted Answer

Deforestation

Answer

Overfishing

Answer

Pollution

Answer

Climate change

Question 3

What is the name of the second longest river in the world?

Accepted Answer

Amazon River

Answer

Nile River

Answer

Mississippi River

Answer

Yangtze River

Question 4

What type of ecosystem does the Amazon River support?

Accepted Answer

Tropical Rainforest

Answer

Temperate Forest

Answer

Grasslands

Answer

Desert

Question 5

Which of these animals is NOT found in the Amazon rainforest?

Accepted Answer

Polar Bear

Answer

Jaguar

Answer

Anaconda

Answer

Capybara

Question 6

What is a major environmental threat to the Amazon River?

Accepted Answer

A and C

Answer

Deforestation

Answer

Overfishing

Answer

Pollution

Question 7

How does the Amazon River affect the climate of the region and the world?

Accepted Answer

It cools the region, increases rainfall, and absorbs carbon dioxide.

Answer

It warms the region, decreases rainfall, and releases carbon dioxide.

Answer

It has no effect on temperature, increases rainfall, and absorbs carbon dioxide.

Answer

It cools the region, decreases rainfall, and releases carbon dioxide.

Question 8

Which environmental factors contribute to the Amazon rainforest's remarkable biodiversity?

Accepted Answer

Warm climate, ample rainfall, and varied soil types

Answer

Low humidity, limited sunlight, and poor soil

Answer

Cold temperatures, occasional droughts, and acidic soil

Answer

Moderate climate, sporadic rainfall, and consistent soil composition

Question 9

In the Amazon River's ecosystem, how do different plants and animals depend on each other and their habitats to survive?

Accepted Answer

Giant otters rely on fish for food, while plants provide shelter and breeding grounds for fish.

Answer

The rainforest canopy has no impact on the river's ecosystem.

Answer

The river's ecosystem is separate from the rainforest environment.

Question 10

Which of the following methods is most effective in protecting the rich biodiversity of the Amazon rainforest?

Accepted Answer

Establishing protected areas

Answer

Unrestricted logging

Answer

Promoting deforestation

Question 11

Which factor has played a major role in shaping the Amazon River's delta?

Accepted Answer

Sediment buildup

Answer

Volcanic eruptions

Answer

Ocean tides

Answer

Wind direction

Question 12

Which of the following is a distinguishing characteristic of the Amazon River?

Accepted Answer

Its length

Answer

Its depth

Answer

Its width

Answer

Its clarity

Question 13

Among the following, which country is not found within the Amazon rainforest?

Accepted Answer

Argentina

Answer

Brazil

Answer

Colombia

Answer

Bolivia

Question 14

What is the primary cause of deforestation in the Amazon rainforest?

Accepted Answer

Agriculture

Answer

Logging

Answer

Mining

Answer

Overpopulation

Question 15

Into which ocean does the Amazon River flow?

Accepted Answer

Atlantic Ocean

Answer

Pacific Ocean

Answer

Indian Ocean

Answer

Arctic Ocean

Question 16

Which of the following is a unique feature of the Amazon River's ecosystem?

Accepted Answer

High biodiversity

Answer

Low oxygen levels

Answer

Rapid water flow

Answer

Long floodplains

Question 17

Which indigenous tribe is found living within the Amazon rainforest?

Accepted Answer

Yanomami

Answer

Aztecs

Answer

Maya

Answer

Inca

Question 18

Which of the following is the largest river basin in the world?

Accepted Answer

Amazon River basin

Answer

Americas basin

Answer

South America basin

Answer

Africa basin

Question 19

What is the popular nickname given to the Amazon rainforest due to its ecological importance?

Accepted Answer

Lungs of the Earth

Answer

Heart of South America

Answer

Gateway to the Amazon

Answer

Paradise on Earth

Question 20

Which of the following countries is not intersected by the Amazon River?

Accepted Answer

Mexico

Answer

Brazil

Answer

Ecuador

Answer

Bolivia

Question 21

The Amazon rainforest is known for its:

Accepted Answer

High biodiversity

Answer

Arid climate

Answer

Dense population

Answer

Mountainous terrain

Question 22

A major threat to the Amazon rainforest is:

Accepted Answer

Deforestation

Answer

Overfishing

Answer

Urbanization

Answer

Climate change

Question 23

How might climate change impact the Amazon River's ecosystem and the people who live there?

Accepted Answer

More flooding, causing animals to lose their homes and move to new areas.

Accepted Answer

Fewer different types of plants and animals, making the ecosystem less healthy.

Answer

More water flowing in the river, making it easier to travel by boat.

Answer

More rain, helping the economy grow in the region.

Question 24

Which river is the second longest in the world?

Accepted Answer

Amazon River

Answer

Nile River

Answer

Yangtze River

Answer

Mississippi River

Question 25

Which country is NOT home to a portion of the Amazon rainforest?

Accepted Answer

Mexico

Answer

Brazil

Answer

Peru

Answer

Bolivia

Question 26

What is a special characteristic of the Amazon River's water?

Accepted Answer

It contains a high amount of dissolved oxygen.

Answer

It is clear of sediment.

Answer

It flows in a clockwise direction.

Answer

It has a high level of salt.

Question 27

What is the name of the largest freshwater fish that lives in the Amazon River?

Accepted Answer

Arapaima

Answer

Electric eel

Answer

Piranha

Answer

Anaconda

Question 28

Why did Europeans first explore the Amazon River?

Accepted Answer

To find valuable resources

Answer

To study its wildlife

Answer

To share their religion

Answer

To attract tourists

Question 29

Which of these animals is NOT found in the Amazon Rainforest?

Accepted Answer

Polar Bear

Answer

Jaguar

Answer

Anaconda

Answer

Monkey

Question 30

How does the Amazon River impact global climate?

Accepted Answer

It helps regulate rainfall and temperature patterns.

Answer

It increases ocean acidity.

Answer

It causes sea levels to rise.

Question 31

The Amazon rainforest is known for having lots of different plants and animals.  What is the MOST important reason for this high biodiversity?

Accepted Answer

The rainforest has lots of rain and warm temperatures all year round.

Answer

There isn't much competition between different species.

Answer

People haven't had a big impact on the rainforest yet.

Question 32

The Amazon rainforest is the biggest in the world.  What is a very important job this rainforest does for the whole planet?

Accepted Answer

It helps control the Earth's climate by taking in carbon dioxide.

Answer

It makes the Earth cooler by reflecting sunlight back into space.

Answer

It provides a lot of fossil fuels like coal and oil.

Question 33

The Amazon River is a great way to travel for people and businesses in the region. What is a big challenge when using the river for transportation?

Accepted Answer

There aren't many roads, so it's hard to reach some places during the dry season.

Answer

The fast currents make it dangerous to sail on the river.

Answer

You can't trade with other countries because the river is only in Brazil.

Question 34

The Amazon River starts in the Andes Mountains.  What effect does this have on the river?

Accepted Answer

It makes the river flow very fast because the land slopes down quickly.

Answer

It means there's not much dirt in the water, so it's very clear.

Answer

It makes the river shallow and narrow because there isn't much water.

Question 35

The Amazon River basin has a tropical climate. What is the weather like in a tropical climate?

Accepted Answer

It's always hot and there's a lot of rain.

Answer

It's cold and snowy in winter and short, cool summers.

Answer

It's hot and dry in summer and mild and wet in winter.

Answer

It gets very hot and cold with very little rain.

Question 36

Cutting down trees in the Amazon rainforest is a big problem.  What is the main reason why people are cutting down trees?

Accepted Answer

To make space for cattle farms and growing crops.

Answer

To get wood to make paper and furniture.

Answer

To build more cities and roads.

Answer

To build dams to make electricity.

Question 37

Piranhas are a type of fish that live in the Amazon River. What special feature helps piranhas survive in their environment?

Accepted Answer

They have sharp teeth for tearing meat.

Answer

They can blend in with the riverbed.

Answer

They have long, flowing fins to swim in strong currents.

Answer

They can live out of water for a short time.

Question 38

The Amazon River provides a lot of freshwater. About what percentage of the world's river water comes from the Amazon River?

Accepted Answer

20%

Answer

2%

Answer

50%

Answer

80%

Question 39

Indigenous people have lived in the Amazon rainforest for a long time.  How do many indigenous groups help protect the rainforest?

Accepted Answer

They use traditional farming methods that don't harm the environment.

Answer

They cut down lots of trees to make money.

Answer

They grow new types of crops that produce a lot of food.

Question 40

The Amazon River flows into the Atlantic Ocean, making a big area of freshwater that spreads out. What is a big impact of this freshwater?

Accepted Answer

It changes ocean currents and where sea creatures live.

Answer

It causes glaciers to form because the water is cold.

Answer

It makes the ocean saltier, which is good for saltwater animals.