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NEET 2025, Biology Q20: Classification of Chordates

NEET2025Biology
Q.

All living members of the class Cyclostomata are :

  1. A

    Ectoparasite

  2. B

    Free living

  3. C

    Endoparasite

  4. D

    Symbiotic

Solution

All living members of class Cyclostomata (e.g. lampreys and hagfishes) are ectoparasites on fishes, attaching externally to their hosts using a circular sucking mouth.

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