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Amphibia

In Frog, teet...

Question

In Frog, teeth occur over

A

Lower jaw

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B

Upper jaw

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C

Both jaws

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D

None of the jaws

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Solution

The correct option is B Upper jaw
The teeth are absent on the lower jaw while the upper jaw bears similar small, backwardly directed conical teeth known as maxillary teeth. In addition, there are present two patches of vomerine teeth one on each vomer bone, near the internal naris.
So the correct answer is 'Upper jaw'.

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Similar questions

Q. Study the following passage:
Most of the vertebrates have jaws with teeth. The mode of arrangement of teeth on the jaws is called dentition.
The various types of teeth seen in mammals are incisors (I) canines (C) premolars (P) and molars (M). They are used for biting, tearing, chewing and grinding, respectively.
Canines, the tearing teeth are well-developed in carnivores and ill-developed or absent in herbivores.

Now answer the following:
(i) In frogs, all the teeth in the upper jaw look-alike, whereas in human beings they are different. The type of dentition in human beings can be called .........
(a) Homodont (b) Isodont (c) Heterodont (d) Acrodont
(ii) The dental formula of a mammal is written as ICPM=2023/1023. The teeth missing in it are ................
(a) Incisors (b) Canines (c) Premolars (d) Molars

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