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Amazon River Trivia Quiz

A quiz about the Amazon River, its animals, and its ecology.

A multiple-choice quiz by bulls400. Estimated time: 3 mins.

Author
bulls400

Time
3 mins

Type
Multiple Choice

Quiz #
349,297

Updated
May 07 23

# Qns
10

Difficulty
Average

Avg Score
7 / 10

Plays
615

Last 3 plays: Quizaddict1 (6/10), Guest 51 (4/10), Guest 84 (7/10).

One at a Time - Single Page - Timed Game

Question 1 of 10

1. About how long is the Amazon River? Hint

4,000 feet

3,000 miles

4,000 kilometers

4,000 miles

NEXT>

Question 2 of 10

2. About how much water does the Amazon River discharge every second on average? Hint

100,000 cubic meters

200,000 cubic meters

10,000 cubic meters

750,000 cubic meters

NEXT>

Question 3 of 10

3. There are more species of fish in the Amazon River than in the entire Atlantic Ocean.

True

False

NEXT>

Question 4 of 10

4. The Amazon River once flowed into the Pacific Ocean.

True

False

NEXT>

Question 5 of 10

5. Which of the following are examples of fish in the Amazon River? Hint

Arowana, monkey fish, and Amazon River dolphin

Monkey fish, Amazon River dolphin, and arapaima

Arowana, arapaima, and discus

Amazon River dolphin, arowana, and arapaima

NEXT>

Question 6 of 10

6. What sort of creatures normally found in marine waters rather than fresh water can be found in the Amazon River? Hint

Blue whales

Stingrays

Great white sharks

Giant squid

NEXT>

Question 7 of 10

7. About how many tributaries does the Amazon River have? Hint

Over 1,000

497

750

100

NEXT>

Question 8 of 10

8. The Amazon River and the drainage basin cover about 40% of South America.

True

False

NEXT>

Question 9 of 10

9. The Amazon River is longer than the Mississippi River.

True

False

NEXT>

Question 10 of 10

10. During the wet season, about how wide can the Amazon River get? Hint

10 miles

2 miles

30 miles

15 miles

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Most Recent Scores

Dec 15 2024 : Quizaddict1: 6/10
Dec 15 2024 : Guest 51: 4/10
Nov 24 2024 : Guest 84: 7/10
Nov 21 2024 : Guest 149: 6/10
Nov 15 2024 : Guest 122: 0/10
Oct 25 2024 : oipj: 5/10

Score Distribution

Quiz Answer Key and Fun Facts

1. About how long is the Amazon River?

Answer: 4,000 miles

The Amazon River is about 4,000 miles long. In places, the river can be one to six miles wide. The average depth of the river is approximately forty feet.

2. About how much water does the Amazon River discharge every second on average?

Answer: 200,000 cubic meters

The Amazon River discharges about 210,000 cubic meters of water per second. Twenty percent of all the freshwater entering the oceans comes from the Amazon River.

3. There are more species of fish in the Amazon River than in the entire Atlantic Ocean.

Answer: True

The Amazon River contains over 5,000 species of fish. This does not include reptiles, amphibians, and mammals such as the Amazon River dolphin.

4. The Amazon River once flowed into the Pacific Ocean.

Answer: True

About eleven million years ago, the Amazon River once flowed into the Pacific Ocean. However, two plates collided and this caused the Andes Mountains to rise. The Amazon River then became a huge lake about the size of the United States, but eventually drained out into the Atlantic Ocean.

5. Which of the following are examples of fish in the Amazon River?

Answer: Arowana, arapaima, and discus

It is true that the arapaima and arowana both live in the Amazon River. However, the monkey fish does not exist. Also, dolphins are not fish, they are mammals.

6. What sort of creatures normally found in marine waters rather than fresh water can be found in the Amazon River?

Answer: Stingrays

It is true that stingrays live in the Amazon River. When the Andes Mountains rose they were trapped in the river and adapted to their new environment.

7. About how many tributaries does the Amazon River have?

Answer: Over 1,000

The Amazon River has over 1,000 tributaries such as Branco, Xingu, and Ucayali Rivers. Some of these rivers are more than 900 miles long and form part of the world's largest drainage basin.

8. The Amazon River and the drainage basin cover about 40% of South America.

Answer: True

The Amazon River and its tributaries cover about 40% of South America. It covers about an area of 2,720,000 square miles.

9. The Amazon River is longer than the Mississippi River.

Answer: True

The Amazon River is the second longest river in the world. It is about 4,000 miles long. However, the Mississippi River is about 2,320 miles long which is much shorter than the Amazon River.

10. During the wet season, about how wide can the Amazon River get?

Answer: 30 miles

During the wet season, the Amazon River can be as wide as thirty miles, but this then drains into the Atlantic Ocean.

Source: Author bulls400

This quiz was reviewed by FunTrivia editor Tizzabelle before going online.
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