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I Mollusca! Trivia Quiz

These little critters can be very enjoyable or cause us a great deal of problems. What are they?

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

Author
zorr

Time
3 mins

Type
Multiple Choice

Quiz #
75,682

Updated
Dec 03 21

# Qns
10

Difficulty
Average

Avg Score
6 / 10

Plays
1838

Last 3 plays: Guest 76 (7/10), Guest 137 (9/10), Guest 223 (10/10).

One at a Time - Single Page - Timed Game

Question 1 of 10

1. The name Mollusca means which of these? Hint

soft

slippery

slimy

smooth

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Question 2 of 10

2. Which of these animals is in the phylum Mollusca? Hint

slug

sea cucumber

fluke

earthworm

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Question 3 of 10

3. Mollusks have which three body parts? Hint

visceral mass, gills, mantle

tentacles, shell, mantle

foot, mantle, tail

foot, visceral mass, mantle

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Question 4 of 10

4. The shell of some mollusks is created by which body part? Hint

digestive system

mantle

coelom

gills

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Question 5 of 10

5. Cephalopods are considered to be the most intelligent mollusks.

True

False

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Question 6 of 10

6. Aquatic mollusks use which of these for respiration? Hint

gills

nephridia

lungs

mantle

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Question 7 of 10

7. Which of these is part of the excretory system in mollusks? Hint

mantle

ureter

nephridia

hepatica

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Question 8 of 10

8. All mollusks have which type of larvae? Hint

trochophore

pupa

blastopore

nautilus

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Question 9 of 10

9. Which of these is an organ uniquely found in mollusks? Hint

antenna

spinneret

gill

radula

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Question 10 of 10

10. Which feature do the snail and clam have in common? Hint

stinging cell

eye

foot

tentacle

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Most Recent Scores

Nov 04 2024 : Guest 76: 7/10
Nov 04 2024 : Guest 137: 9/10
Nov 04 2024 : Guest 223: 10/10
Nov 04 2024 : Guest 175: 9/10
Nov 04 2024 : klotzplate: 10/10
Nov 01 2024 : Guest 199: 9/10
Oct 29 2024 : Guest 23: 6/10
Oct 25 2024 : Guest 173: 10/10
Oct 24 2024 : Guest 112: 10/10

Score Distribution

Quiz Answer Key and Fun Facts

1. The name Mollusca means which of these?

Answer: soft

It came into English via the French word mollusque, via Latin and Greek.

2. Which of these animals is in the phylum Mollusca?

Answer: slug

Mollusks are a group of soft bodied but very diverse creatures.

3. Mollusks have which three body parts?

Answer: foot, visceral mass, mantle

The foot of a mollusk may be modified to become tentacles.

4. The shell of some mollusks is created by which body part?

Answer: mantle

Not all mollusks have a shell, for example slugs, nudibranchs, octopus do not.

5. Cephalopods are considered to be the most intelligent mollusks.

Answer: True

The cephalopods include the squid, octopus, cuttlefish and nautilus.

6. Aquatic mollusks use which of these for respiration?

Answer: gills

Gills are widely used by aquatic animals for respiration.

7. Which of these is part of the excretory system in mollusks?

Answer: nephridia

The nephridia are commonly seen in many of the invertebrates.

8. All mollusks have which type of larvae?

Answer: trochophore

The trochophore larva is characteristic of both mollusks and annelids.

9. Which of these is an organ uniquely found in mollusks?

Answer: radula

Gastropods and chitons use a radula to 'lick' their food. It is a tongue that contains teeth to scrape off plant or animal material.

10. Which feature do the snail and clam have in common?

Answer: foot

Source: Author zorr

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