Animal Kingdom Question 339
Question: Trochophore larva occurs in
[BHU 1995; Orissa JEE 2005]
Options:
A) Annelida and Porifera
B) Coelenterata and Annelida
C) Mollusca and Coelenterata
D) Annelida and Mollusca
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Answer:
Correct Answer: D
Solution:
A trochophore is a type of small, translucent, free-swimming planktonic marine larva with several bands of cilia.
It is characteristic of marine annelids and most groups of mollusks.
They are spherical or pear-shaped and are girdled by a ring of cilia. Hence, option D is correct.
BETA
