In annelids formation of larva is usually absent but when present the larva is called as
A
Tadpole
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B
Planula
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C
Trochophore
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D
None of the above
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Solution
The correct option is C Trochophore A trochophore larva is a type of free-swimming, translucent planktonic marine larva with several bands of cilia. This type of larva is found in annelids and molluscs.
The tadpole is the larval stage in amphibians.
The planula is the larval form of various cnidarian species. Ephyra is a free-swimming larva of a scyphozoan jellyfish.