Assertion:Claspers are a distinguishing feature of males in Class Chondricthyes.
Reason: Claspers help in copulation.

Give the distinguishing features of class Chondrichthyes.

Write distinguishing features of class Reptilia.

Write distinguishing features of class Mammalia.

Give the distinguishing features of the class Amphibia or Reptilia.

Write any two distinguishing features of the the algal class Rhodophyceae.

Assertion Copulatory bursa is present in male Ancylostoma Reason Copulatory bursa helps in copulation.

Give distinguishing features in the 9th sternum of male and female cockroach/

Assertion : Setae are absent in clitellum Reason : Setae help in locomotion.

The coloacal opening in Tetrachdron male fishes has claspers which help in

Assertion: Claspers of certilage fishes are analogous to penis of human male Reason: Both act as copulatory organs and transfer the sperms into female