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प्रश्न
Assertion (A): Rays, skates and sharks are cartilaginous fishes.
Reason (R): They have a cartilaginous endoskeleton.
पर्याय
Both A and R are true and R is correct explanation of the assertion.
Both A and R are true but R is not the correct explanation of the assertion.
A is true but R is false.
A is false but R is true.
MCQ
विधान आणि तर्क
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उत्तर
Both A and R are true and R is correct explanation of the assertion.
Explanation:
Rays, skates and sharks belong to class Chondrichthyes, whose members have a cartilaginous endoskeleton. This feature explains why they are called cartilaginous fishes.
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