मराठी

Which One of the Following Pairs of Types of Teeth Perform One Common Function as Stated Against It?

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प्रश्न

Which one of the following pairs of types of teeth perform one common function as stated against it?

पर्याय

  • Incisors, canines - Holding

  • Canines, premolars - Biting

  • Premolars, molars - Grinding

  • Molars, incisors - Tearing

MCQ
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उत्तर

Premolars, molars - Grinding

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  या प्रश्नात किंवा उत्तरात काही त्रुटी आहे का?
पाठ 12: Digestive System - Multiple choice type [पृष्ठ ११५]

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सेलिना Concise Biology [English] Class 9 ICSE
पाठ 12 Digestive System
Multiple choice type | Q 4 | पृष्ठ ११५

व्हिडिओ ट्यूटोरियलVIEW ALL [2]

संबंधित प्रश्‍न

Which of the organs perform the following function in humans?

Absorption of water


Define a nutrient.


Which of the following component of our food is digested by an enzyme which is present in saliva as well as in pancreatic juice?


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?

When a person puts food in his mouth, then teeth cut it into small pieces, chew and grind it. The glands A in the mouth secrete a substance B which is mixed with the food by tongue. The substance B contains an enzyme C which starts the digestion of food in the mouth. The slightly digested food from the mouth goes down a tube D. The special type of movements E in the walls of tube D push the food into stomach for further digestion. The stomach wall secretes gastric juice containing three substance F, G and H. One of the functions of F is to kill bacteria which may enter the stomach with food. The substance G protects the inside layer of stomach from the damaging effect of substance F whereas substance H is and enzyme for digestion. The partially digested food then enters into small intestine for further digestion.
  1. What are (i) gland A, (ii) substance B, and (iii) enzyme C?
  2. Name the tube D.
  3. What is the movement E known as?
  4. What are (i) F, (ii) G, and (iii) H?

Fill in the blank.

The human teeth appear in two sets, the first set is called primary which consists of only _______  teeth


Name the following

The organ where protein digestion-begins


Name the types of teeth seen in humans.


Complete the following enzymatic reaction.

Maltose \[\ce{->[maltase]}\] ___________


State whether the following statements are True or false: Enteropeptidase activates pepsinogen into pepsin.


Describe the following: Emulsification


Correct the spellings: Disegion


The question has four options. Choose the correct answer:

The number of teeth that grow only once in human is


Appendix is a vestigial organ in humans and functional in herbivorous animals for the digestion of ____________.


In the given histology of the alimentary canal, identify i, ii, and iii.


All are functions of the liver, EXCEPT


A gland not associated with the alimentary canal is ____________.


What is digestion?


How does tooth enamel get corroded? What is the preventive measure for this?


Give two reasons, why bile juice is considered to be an important secretion of liver in the process of digestion?


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