Tag: buccal cavity

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Questions Related to buccal cavity

Multiple choice biology digestive system of human buccal cavity digestive system - organs coordination in the process of digestion

Dental formula refers to 

  1. The minimum number of teeth in one half of one jaw

  2. The number of each type of tooth in one half of one jaw

  3. The overall geometric shape of the jaw

  4. Maximum number of teeth in the mouth
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

In each set of teeth, incisors (I) are indicated first, canines (C) second, premolars (P) third, and finally molars (M), giving I:C:P:M which is the minimum number of teeth in one half of one jaw. 

So, 'the correct option is 'The minimum number of teeth in one half of one jaw'.

Multiple choice biology digestive system of human buccal cavity digestive system - organs coordination in the process of digestion

Identify typical dental formula of a metatherian.

  1. i 5/4. c 1/1, pm 3/3, m 4/4

  2. i 3/3, c 1/1, pm 4/4, m 3/3

  3. i 4/3, c 1/1, pm 3/3, m 4/4

  4. i 4/5, c 1/1, pm 3/3, m 4/4
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

There is only one set of teeth functional throughout life with the exception of a milk molar which is replaced by the last premolar. Incisors are more numerous than in placentals. 3 premolars and 4 molars as against 4 P and 3 M in placentals. Dentition in opossum is I 5/4, C 1/1, P 3/3, M 4/4. 


So, the correct option is 'Option A'.