First slide

Classification of Animals

Question

Assertion (A): Cyclostomes are marine but migrate for spawning to freshwater.
Reason (R): Larvae of cyclostomes metamorphose in marine water.

Moderate

A

A is correct but R is incorrect
B

R is correct but A is incorrect
C

A and R are correct
D

A and R are incorrect

Solution

Cyclostomes are marine but migrate for spawning to fresh water. After spawning, within a few days, they die. Their larvae, after undergoing metamorphosis return to the ocean.

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