In which one of the following the geneus name , its two characters and its class / phylum are correctly matched ?

Options

A. `{:("Genus name","Two characters","Class/Phylum"),("Ascaris","(i) Body segmented","Annelida"),(,"(ii) Males and females distinct",):}`
B. `{:("Genus name","Two characters","Class/Phylum"),("Salamandra","(i) A tympanum cover middle ear,","Amphibia"),(,"(ii) Fertilisation is internal",):}`
C. `{:("Genus name","Two characters","Class/Phylum"),("Pteropus","(i) Skin possesses hair","Mammalia"),(,"(ii) Oviparous",):}`
D. `{:("Genus name","Two characters","Class/Phylum"),("Aurelia","(i) Cnidoblast","Coelenterata"),(,"(ii) Organ level of organisation",):}`

Answer

B

Explanation

Salamandra belonging to the class Amphibia has a tympanum that covers middle ear and in it fertilisation is internal. Ascaris has unsegmented body and it belongs to the Phylum Aschelminthes. Pteropus is viviparous. Aurelia has tissue level of organisation.