हिंदी

Write down the explanation. Explain why human dentition is considered as thecodont, diphydont and heterodont.

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प्रश्न

Write down the explanation.

Explain why human dentition is considered as thecodont, diphydont and heterodont.

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उत्तर

  1. Human dentition is described as thecodont, diphyodont and heterodont.
  2. It is called thecodont type because each tooth is fixed in a separate socket present in the jaw bones by gomphosis type of joint.
  3. It is called diphyodont type because we get only two sets of teeth, milk teeth and permanent teeth.
  4. It is called heterodont type because humans have four different type of teeth like incisors, canines, premolars and molars.
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अध्याय 14: Human Nutrition - Exercise [पृष्ठ १७२]

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बालभारती Biology [English] Standard 11 Maharashtra State Board
अध्याय 14 Human Nutrition
Exercise | Q 3. (B) | पृष्ठ १७२

संबंधित प्रश्न

Define holozoic nutrition.


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What is meant by dental caries?


Define the following term : 

Pylorus


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Fill in the blanks.

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State whether the following statement is True or False.

The ducts from the salivary glands open into the duodenum.


Name the juice secreted by the liver.


Name the three enzymes found in pancreatic juice.
(i)____ (ii)____ (iii)_____


Name the three regions of the large intestine.


What do you mean by the absorption of food?


Define the term ‘digestion’.


Mention the different types of nutrition?


Describe the following: Emulsification


Correct the spellings: Disegion


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The question has four options. Choose the correct answer:

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______ is the common passage of air and food.


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What is a vermiform appendix?


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