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Home  >>  JEEMAIN and NEET  >>  Biology  >>  Human Physiology

Regarding dentition : Match the following and choose the most appropriate option:

A.diphyodont 1. teeth are all of the same type
B. heterodont  2. two successions of teeth (deciduous, permanent)
C. homodont 3. only one set of teeth throughout life
D. monophyodont 4. teeth are continuously discarded and replaced throughout life
E. polyphyodont 5. teeth differ morphologically

( A ) A-5; B-2; C-1; D-3; E-4
( B ) A-2; B-5; C-1; D-3; E-4
( C ) A-5; B-2; C-3; D-1; E-4
( D ) A-2; B-4; C-3; D-1; E-5
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1 Answer

(B) is the right answer.

Animals whose teeth are all of the same type, such as most non-mammalian vertebrates, are said to have homodontdentition, whereas those whose teeth differ morphologically are said to have heterodont dentition. The dentition of animals with two successions of teeth (deciduous, permanent) is referred to as diphyodont, while the dentition of animals with only one set of teeth throughout life is monophyodont. The dentition of animals in which the teeth are continuously discarded and replaced throughout life is termed polyphyodont.
answered Apr 2, 2014 by pady_1
 

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