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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
1846

Last 3 plays: Guest 184 (10/10), Guest 174 (10/10), Guest 36 (9/10).

One at a Time - Single Page - Timed Game

Question 1 of 10

1. The name Mollusca means which of these? Hint

smooth

slimy

soft

slippery

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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

gills

coelom

mantle

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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

mantle

lungs

gills

nephridia

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Question 7 of 10

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

ureter

nephridia

hepatica

mantle

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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

radula

gill

antenna

spinneret

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Question 10 of 10

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

foot

tentacle

eye

stinging cell

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Most Recent Scores

Dec 18 2024 : Guest 184: 10/10
Dec 17 2024 : Guest 174: 10/10
Dec 13 2024 : Guest 36: 9/10
Dec 13 2024 : Guest 64: 10/10
Dec 11 2024 : Guest 86: 7/10
Dec 02 2024 : Guest 175: 9/10
Nov 22 2024 : Guest 174: 3/10
Nov 13 2024 : Guest 149: 7/10
Nov 04 2024 : Guest 76: 7/10

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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