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Assertion : In Pleurobrachia, eight comb...

Assertion : In Pleurobrachia, eight comb-like ciliary plates called cmob plates are present on the body that help in locomotion
Reason : Pleurobrachia reproduces sexually and its life cycle includes Cydippid larva

A

both true but reason is not correct explanation

B

assertion true but reason is wrong

C

assertion true but reason is wrong

D

both are wrong

Text Solution

Verified by Experts

The correct Answer is:
B
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Select the option with a correct representation of phylum of animal to the below - mentioned features : I. The body is supported by a skeleton made up of spicules or spongin fibers with choanocytes line the spongocoel. II. Specialized cells called flame cells help in osmoregulation and excretion. III. The body bears eight rows of ciliated comb plates which helps in locomotion. IV. The alimentary canal is complete with the well developed muscular pharynx.