Which Statement About the Mantle of Mollusks Is False

question 209

Multiple Choice

Which statement about the mantle of mollusks is false?

• A) It is present in all groups of mollusks except the octopuses.
• B) In terrestrial gastropods, it is modified into a lung.
• C) It is part of a filtering device used for feeding in bivalves.
• D) It is the mechanism of jet propulsion in cephalopods.
• E) It secretes the shell that provides external protection in most molluscan groups.

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Definitions:

No-voltage Drop-out

A safety feature in electrical devices that causes them to automatically switch off in the event of a voltage reduction or loss, preventing damage or unsafe conditions.

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A simplified control circuit configuration that uses two wires for operation, commonly applied in direct ON/OFF control scenarios.

Mechanically Held

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Electrician

A skilled tradesperson who installs, maintains, and repairs electrical systems and components.