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Hierarchy and Need of Classification

The body is d...

Question

The body is devoid of scales and paired fins in

Osteichthyes

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None of the above

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Cyclostomata

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Chondrichthyes

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Solution

The correct option is C Cyclostomata
Cyclostomata

Animals whose body is devoid of scales and paired fins are categorised under the class cyclostomata.

Final answer

(a) Cyclostomata

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Similar questions

\begin{matrix} Column I & Column II (a) & Body is devoid of scales and paired fins & (i) & Torpedo (b) & Presence of electric organ & (ii) & Scoliodon (c) & Pelvic fins bear claspers & (iii) & Petromyzon (d) & Presence of air bladder & (iv) & Pterophyllum \end{matrix}

The class having body covered with scales, respiration by gills and presence of fins.

	Column-I		Column-II
(a)	Scales and paired fins absent	(i)	Torpedo
(b)	Claspers on pelvic fins of males	(ii)	Cyclostomes
(c)	4 pairs of gills covered with operculum	(iii)	Chondrichthyes
(d)	Electric organs	(iv)	Osteichthyes

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