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

(a)

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(b)

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(c)

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(d)

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Solution

The correct option is A (b)
Salamandra belonging to the Class Amphibia has a tympanum that covers middle ear and in it fertilisation is internal. Ascaris has an unsegmented body and it belongs to the Phylum Aschelminthes. Pteropus is viviparous. Aurelia has a tissue level of organisation.
So the correct option is B.

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

	Genus name	Characters	Phylum
(a)	Pila	(i) Body segmented (ii) Mouth with radula	Mollusca
(b)	Asterias	(i) Spiny skinned (ii) Water vascular system	Echinodermata
(c)	Sycon	(i) Pore bearing (ii) Canal system	Porifera
(d)	Periplaneta	(i) Jointed appendages (ii) Chitinous exoskeleton	Arthropoda

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