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Quiz about North American Mollusks
Quiz about North American Mollusks

North American Mollusks Trivia Quiz


This quiz is about mollusks or sea shells.

A multiple-choice quiz by Morrigan716. Estimated time: 3 mins.
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Author
Morrigan716
Time
3 mins
Type
Multiple Choice
Quiz #
54,220
Updated
Dec 03 21
# Qns
10
Difficulty
Average
Avg Score
6 / 10
Plays
1223
Last 3 plays: steelman86 (7/10), Gumby1967 (10/10), workisboring (5/10).
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Question 1 of 10
1. Which of these large mollusks is often used for jewelry, as well as food? Hint


Question 2 of 10
2. Which of these rounded snails is often found on rocks, tide pools, mangrove roots, and muddy places, such as estuaries? Hint


Question 3 of 10
3. Of the approximately 200 different species of cowries in the world, only five of them are found in North America.


Question 4 of 10
4. Conchs are aggressive by nature.


Question 5 of 10
5. Which of the following shells can be found in fresh water? Hint


Question 6 of 10
6. Which of theses bivalves are also referred to as "razor clams"? Hint


Question 7 of 10
7. Scallops have a single adductor muscle.


Question 8 of 10
8. The surf clam is the largest bivalve found in the Western North Atlantic.


Question 9 of 10
9. Which of these bivalves are also known as heart clams? Hint


Question 10 of 10
10. Octopuses, squids, and slugs are mollusks.



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Score Distribution

quiz
Quiz Answer Key and Fun Facts
1. Which of these large mollusks is often used for jewelry, as well as food?

Answer: Abalone

The round shell of the abalone resembles a shield and is believed by some to have protective qualities. They can also create pearls, which are extremely rare and considered lucky to find.

The red abalone is eaten as a delicacy in several countries, and there are several abalone farms in California.
2. Which of these rounded snails is often found on rocks, tide pools, mangrove roots, and muddy places, such as estuaries?

Answer: Periwinkles

Some periwinkles live on the edge of the water and others avoid predators by living entirely outside of the water. They are not native to North America but were introduced from Western Europe in the 1800s.
3. Of the approximately 200 different species of cowries in the world, only five of them are found in North America.

Answer: True

Cowries are popular among collectors and are also sometimes used as jewelry, ornaments, or charms.
4. Conchs are aggressive by nature.

Answer: False

They are often referred to as "fighting conchs", but not because of aggression. They are active and have a strong ability to escape predators.
5. Which of the following shells can be found in fresh water?

Answer: Mussels

Most freshwater mussels are found in rivers and streams, but there are a few species that live in lakes.
6. Which of theses bivalves are also referred to as "razor clams"?

Answer: Jackknife clams

Jackknife clams are difficult to catch by human diggers because of a small jet of water that squirts when the clam starts to dig. They are considered a delicacy, but locals in coastal Massachusetts try to collect them to make clam strips.
7. Scallops have a single adductor muscle.

Answer: True

Most bivalves have two adductor muscles. Scallops are popular among both shell collectors and foodies.
8. The surf clam is the largest bivalve found in the Western North Atlantic.

Answer: True

They can grow to be up to 8.9 inches and can live up to 35 years.
9. Which of these bivalves are also known as heart clams?

Answer: Cockles

Most species of cockles live below the tide line in sandy or muddy areas.
10. Octopuses, squids, and slugs are mollusks.

Answer: True

Mollusks are invertebrates with a soft, unsegmented body, usually but not always, surrounded by a shell.
Source: Author Morrigan716

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