5
Question
An organism X is a vertebrate. It exhibits the following features-
a) Jawless
b) Circular mouth
c) Scaleless body
X is likely to fall under which class?
An organism X is a vertebrate. It exhibits the following features-
a) Jawless
b) Circular mouth
c) Scaleless body
X is likely to fall under which class?
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Solution
The correct option is B Cyclostomata
Organism X belongs to cyclostomata. These are jawless vertebrates. They are characterised by having an elongated eel-like body, circular mouth and a slimy skin. These organisms are scaleless. E.g., Petromyzon, Myxine, etc.
Organism X belongs to cyclostomata. These are jawless vertebrates. They are characterised by having an elongated eel-like body, circular mouth and a slimy skin. These organisms are scaleless. E.g., Petromyzon, Myxine, etc.
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