First slide

Classification of Animals

Question

Which of the following is not a character of Pleurobrachia?

Moderate

A

Locomotion by ciliated comb plates
B

Reproduction by sexual method only
C

Internal fertilisation
D

Bioluminescence

Solution

Pleurobrachia is ctenophore. The following are the characters of Ctenophores.
1. The body bears eight external rows of ciliated comb plates, which help in locomotion,
2. Bioluminescence (the property of a living organism to emit light) is well-marked in ctenophores.
3. Reproduction takes place only by sexual means.
4. Fertilisation is external.

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