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Choose the correct statement...

Choose the correct statement

A

All mammlas are viviparous

B

All cyclostomes do not possess jaws and paired fins.

C

All reptiles have a three-chambered heart.

D

All pisces have gills covered by an operculum.

Text Solution

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The correct Answer is:
B

Animals belonging to class cyclostomata are marine vertebrates without jaw & paired fins. Example: Petromyzone & Myxine.
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