मराठी

Study the Diagram Given Below and Then Answer the Questions that Follow:

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प्रश्न

Study the diagram given below and then answer the question that follows:

Identify the tooth and give a reason to support your answer.

एका वाक्यात उत्तर
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उत्तर

The tooth shown in the diagram has only one root, so it is an incisor or canine which is used for biting and piercing.

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पाठ 12: Digestive System - Structured/Application/Skill type [पृष्ठ ११६]

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सेलिना Concise Biology [English] Class 9 ICSE
पाठ 12 Digestive System
Structured/Application/Skill type | Q 4.2 | पृष्ठ ११६

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संबंधित प्रश्‍न

What is the function of digestive enzymes?


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When a person eats sugary food, then organisms A present in his mouth act on sugar to produce a substance B. The substance B first dissolves the calcium salts from the top part C of the tooth and then from its middle part D forming holes E. These holes ultimately reach the part F in the lower part of tooth which contains nerves and blood vessels. The substance B irritates the nerve endings inside the tooth causing toothache.
  1. What are (i) organisms A, and (ii) substance B?
  2. What are (i) part C, and (ii) part D, of tooth known as?
  3. By what name are the holes E in the tooth known?
  4. Name the part F of the tooth.
  5. What will happen if organisms A reach part F of the tooth known?

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