मराठी

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.

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प्रश्न

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?
थोडक्यात उत्तर
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उत्तर

  1. The liver secretes the bile juice.
  2. Digestion of fats is difficult because fats are insoluble in water and are present as large globules.
  3. Bile juice breaks down big fat droplets into smaller droplets so that they can be easily digested.
  4. Digestion of fat is completed in the small intestine.
  5. No. Bile juice does not contain any enzyme and therefore, it does not digest fat.
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पाठ 2: Nutrition in Animals - LONG ANSWER QUESTIONS [पृष्ठ १२]

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एनसीईआरटी एक्झांप्लर Science [English] Class 7
पाठ 2 Nutrition in Animals
LONG ANSWER QUESTIONS | Q 27. | पृष्ठ १२

संबंधित प्रश्‍न

Fill in the blank and rewrite the completed statement: 
.................... is the largest gland in the body.


 How is the small intestine designed to absorb digested food?


The stomach releases hydrochloric acid and ______ juices which act on food.


Name the enzyme present in human saliva. What type of food material is digested by this enzyme?


Name the biological catalysts which bring about chemical digestion of food.


What is the role of hydrochloric acid in our stomach?


Where are proteins first digested in the alimentary canal?


Define the terms 'nutrients'.


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 


What are the main characteristics of enzyme?


Fill in the blanks in the table (1-5) by selecting the suitable names of substances from the list given below:
(steapsin, peptones, fatty acids, proteoses, protein).

Digestive Enzymes Acts on To convert into
(i) Pepsin _________(2) ________(3) and
(ii) _______(1) Fats

________(4)

_________(5)


Rewrite the following parts of the human alimentary canal in their correct sequence Stomach, Oesophagus, Large instestine, Small intestine, Pharynx.


Fill in the blanks.

Removal of undigested food is called ________.


Find the odd one out. Give reasons for your choice.


Define homodont dentition.


Name the types of teeth in human with functions.


How do the salivary glands come to know that there is food in the mouth and it is time to secrete saliva?


Name the salivary glands in our mouth?


Match the following:

1. Pancreatic juice a. Breaking starch
2. Salivary enzymes b. Digestive enzymes
3. Salivary gland c. Alimentary canal
4. Digestive tract d. Parotid

Draw the diagram of the alimentary canal of man and label the following parts. Mouth, Oesophagus, Stomach, Intestine.


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