Question

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

	Genus name	Two characters	Class/Phylum
(a)	Ascaris	(i) Body segmented (ii) Males and females distinct	Annelida
(b)	Salamandra	(i) A tympanum cover middle ear, (ii) Fertilisation is internal	Amphibia
(c)	Pteropus	(i) Skin possesses hair (ii) Oviparous	Mammalia
(d)	Aurelia	(i) Cnidoblast (ii) Organ level of organisation	Coelenterata

• A. a
• B. b
• C. c
• D. d

Answer 1

Answer: (B)

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.