Question Pool Food through Digestive Tract

Food through Digestive Tract - SAMAGRA Question Pool & Answers | Class 9 English Medium

Kerala Syllabus SAMAGRA SCERT SAMAGRA Question Pool for Class 9 English Medium Biology Food through Digestive Tract

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Qn 1.

Find out the odd one and writing the common features of others

Pancreatic amylase, pancreatic lipase, salivary amylase, trypsin

  • Answer)

    salivary amylase - all others are enzymes secreted by

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Qn 2.

Find out the odd one and writing the common features of others

Incisor., Molar, premolar, dentine

 

  • Answer)

    dentine. Others are different kinds of

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Qn 3.

Find out the odd one and writing the common features of others

Oesophagus, Trachea, Stomach, Duodenum

  • Answer)

    Trachea. Others are the parts of digestive

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Qn 4.

Find out the correct statements regarding the bile and write down.

i) is produced in liver

ii) enzymes are seen

iii) secreted into stomach

iv) makes the fat as little particles

a) i, ii b) i, iv c) ii, iv d) iii, iv

  • Answer)

    b) i, iv

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Qn 5.

Answer the following questions after analysing the given statement?

The digested nutrients are absorbed by villi of small intestine.

a) Which are the materials absorbed into blood vessels in the Villi?

b) Which are the materials absorbed into the lacteal of the villi?

  • Answer)

    1. Glucose, fructose, galctose, and amino acid

    2. Fatty acid and

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Qn 6.

Evaluate the statement and justify

i) when chewing the rice without any curry  feels sweet taste

ii) The food we eat is enter into food pipe, never enter into the trachea.

  • Answer)

    1. Salivary amilase converts starch into glucose and maltose

    2. Epiglottis and uvula together help  this

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Qn 7.

Observe the picture and answer the questions

 

  • Answer)

    a)Incisor

    b)Molar

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Qn 8.

Analyse the picture and answer the questions

a) What are the translocation process referred in this image?

b) What are the main difference this process and diffusion?

 

  • Answer)

    a) Osmosis

    b)Osmosis - Movement of water moleculesfrom higher concentration to lower concentration through a semi permeable membrane

    Diffusion -

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Qn 9.

Complete illustration with the nutrients and their digested simple particles.



 

  • Answer)

    A-Starch

    B-Fatty acid

    C-Glycerol

    D-amino

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Qn 10.

Make Pair the terms  in the box like the model given below

Model - Saliva- Salivary amylase


 

Gastric Juice, Pancreatic Juice, Saliva, Pepsin, Intestinal juice, Salivary amylase,peptidase, Trypsin


 

  • Answer)

    Gastric Juice-Pepsin

    Pancreatic

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Qn 11.

Rearrange the table containing gastric juice components on the basis of its function

Gastric juice

Pepsin

Destroyed the germs in the diet

Hydrochloric acid

Protect oesophagus from digestive actions of various digestive enzymes

Mucus

Partial conversion of proteins as peptones

  • Answer)


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    Qn 12.

    Validate the statement and answer the questions.

    "Diffusion and osmosis are processes that help transportation of materials in the cells."

    a) What are the similiarities and differences between the diffusion and the osmosis?

    b) What is the peculiarity of the facilitated diffusion?

     

    • Answer)

      a)Similiarity

      Both take place along the concentration gradient

      energy is not required in

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    Qn 12.

    Observe the picture and answer the questions below

    a) What does the image mean?

    b) Which are the two nutreints that are absorbed into capillaries?

    c) Identify the X and Which nutrients are absorbed into X?

    • Answer)

      a) Villus

      b) Fructose, Glucose, Galactose and amino acids

      c)Lacteals - Fatty acid and

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    Qn 14.

    Fill In the blanks in the given illustration

    • Answer)

      A – Pancreas , B- Bile, C- Breakdown of fat, D- Pancreatic amylase , E -Pepsin , F -

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    Qn 15.

    Arrange the coloumn B and C on the basis of column A

    A

    B

    C

    Mouth

    pancreatic lipase

    Partial conversion of protein as peptones

    Stomach

    salivary amylase

    fat converted as fatty acid and glycerol

    Duodenum

    Pepsin

    partial conversion of starch as maltose

    • Answer)


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      Qn 16.

      In connection with human digestion process fill up the table given below

      Digestive gland

      Digestive enzymes

      Enzymes

      Action

      A

      Saliva

      B

      Carbohydrate partially converted as maltose

      Gastric glands

      C

      Pepsin

      D

      Pancreas

      E

      Pancreatic lipase

      F

      • Answer)

        A-Salivary glands, B- Salivary amylase, C-Gastric Juice, D-Peptone, E- Pancreatic Juice, F- Fat in to fatty acid and

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      Qn 17.

      Assess the statement and answer the questions below.

      "The internal structure of the small intestine is suitable to absorb"

      a) Which part of the small intestine is used to absorbing simple particles?

      b) How do they help absorption process?

      c) Which are the nutrients that are absorbed into the lacteals and blood capillaries?

      • Answer)

        a) Villi

        b) Fatty acid and Glycerol into Lacteals - Glucose, fructose, galctose and amino acid into Cappilaries

        c)Fatty acid and Glycerol into

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      Qn 18.

      Redraw the image and mark the following sections:

      a) The living tissue made of teeth

      b) The white coloured hardest part of teeth

      c) The fitting joining tissue of the tooth in the socket

      • Answer)

        To draw the diagram - 1

        To name and label the parts 1X3=3

        a) Dentine

        b)

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      Qn 19.

      Observe the illustration of the action of the components in the saliva and completev A and B


       

      • Answer)

        A - Make paste

        B - Lysozyme

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      Qn 20.

      Substantiate the given statement

      "From the mouth and in the stomach,  germs in the dietary supplements are destroyed"

       

      • Answer)

        Yes , Lysozyme the enzyme in the Saliva and Hydrochloric acid in the Gastric juice destroys the

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      Qn 21.

      a) what kind of disease most affected the population

      b)Write down any two reasons why these kinds of diseases should spread.

      • Answer)

        a) Life style diseases

        b)Fast food habit, Lack of

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      Qn 22.

      1. Rearrange the coloumn B and C on the basis of Coloumn A

      A. Process

      B. Action taking place

      C. Example

      1.Diffusion

      a)Molecule absorption by utilising energy and with the help of carrier proteins.

      i)Mineral absorption into blood capillaries

      2.Osmosis

      b)Transportation of molecules take place with help of protein molecules present in the cell membrane

      ii) Absorption of glucose and amino acid into the blood capillaries

      3.Facilitated Diffusion

      c)Movements of molecules from its higher concentration to lower concentration

      Iii) Absorption of sea water

      4.Active Transport

      d)Movement of water molecules from its higher concentration to lower concentration through a semi permeable membrane

      iv) Absorption of fatty acid and glycerol in to lacteals



       

      • Answer)

        1-c-ii

        2-d-iii

        3-b-iv

        4-a-i

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