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Study the Following Dental Formula and Then Answer the Question that Follow:

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प्रश्न

Study the Following Dental Formula and Then Answer the Question that Follow: 

`"i"  3/4   "c"   0/0   "pm"   0/1   "m"   1/1`

Give the dental formula of an adult human being.

एक पंक्ति में उत्तर
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उत्तर

The dental formula of an adult human being is `(2,1,2,3)/(2,1,2,3)`. 

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

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सेलिना Concise Biology [English] Class 9 ICSE
अध्याय 12 Digestive System
Structured/Application/Skill type | Q 5.4 | पृष्ठ ११६

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संबंधित प्रश्न

What is the name of tiny projections on the inner surface of small intestine which help in absorbing the digested food?


The length of small intestine in a human adult is about ______.


The first enzyme to mix with food in the digestive tract is ______.


What is the dental formula of a normal human adult?


Consider the following two statements A and B and select the right option from (i)-(iv) about their correctness.

  1. Small intestine is shorter than large intestine.
  2. Small intestine is wider than large intestine.

Options :

(i)Both the statements are correct

(ii) Both the statements are wrong

(iii) Statement A is correct, B is wrong

(iv) Statement B is correct, A is wrong 


Write one function each of the following enzymes:

Pepsin


What is the main function of bile?


What do you mean by the absorption of food?


Put the following processes in their correct sequence of occurrence during digestion.
peristalsis; tongue pushes the food; grinding and mixing saliva; cutting and tearing of food


Complete the following enzymatic reaction.

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


Answer in detail.
Liver does not secrete any enzymes yet it helps indigestion. How?


Name the enzymes of pancreatic juice, the substrates they digest, and the end products.

The question has four options. Choose the correct answer:

Parotid salivary glands occur


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


A fluid containing the digestive enzyme ____________ is secreted by the serous cells of salivary gland.


The coiled middle portion of the small intestine which is 2.5 meters long is the ______.


Choose the odd one:


What is digestion?


The digestive glands associated with the alimentary canal are ______.


Read the following passage carefully and answer the questions that follow it.

Bile juice is stored in a sac called, gall bladder, located near its organ of secretion, liver. The gall bladder releases the bile juice into the small intestine whenever food reaches there. Though bile juice is devoid of any digestive enzymes, it is required for the digestion of fats. The fats cannot be digested easily because they are insoluble in water and are present as large globules. Bile juice breaks down big fat droplets into smaller droplets. These are then easily digested by the enzymes released from the pancreas.
  1. Which organ secretes the bile juice?
  2. Why is digestion of fats difficult as compared to that of other nutrients?
  3. How does bile juice help in the digestion of fat?
  4. Where is the digestion of fat completed?
  5. Does bile juice digest fat completely?

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