SaraNextGen Study App [2022-23]
Last Updated On 23-10-2022 - By Sara

Petromyzon and myxine belong to class

a)

Gnathostomata

b)

Cyclostomata

c)

Urochordata

d)

Protochordata


Question ID - 340 :-

Petromyzon and myxine belong to class

a)

Gnathostomata

b)

Cyclostomata

c)

Urochordata

d)

Protochordata

1 Answer
5876 Votes
3537

Answer Key : (b) -

(b)

Class-Cyclostomata includes round mouthed fish like lampreys (Petromyzon) and hags (Myxine)



Next Question :

All mammals without any exception are characterized by

a)

Viviparity and biconcave red blood cell

b)

Extra abdominal testis and four-chambered heart

c)

Heterodont teeth and 12 pairs of cranial nerves

d)

A muscular diaphragm and milk producing glands


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