हिंदी

Which part of the digestive canal is involved in: Killing of bacteria ______. - Science

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प्रश्न

Which part of the digestive canal is involved in:

Killing of bacteria ______.

रिक्त स्थान भरें
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उत्तर

Killing of bacteria stomach.

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अध्याय 2: Nutrition in Animals - Exercises [पृष्ठ २१]

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एनसीईआरटी Science [English] Class 7
अध्याय 2 Nutrition in Animals
Exercises | Q 9. (iii) | पृष्ठ २१

संबंधित प्रश्न

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


What is the other same of food pipe?


In which part of the digestive system is water absorbed?


An enzyme secreted by gastric glands in stomach which acts on proteins.


The stomach secretes gastric juice, which contains hydrochloric acid. What is its function?


Study the following dental formula and then answer the question that follow:

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

Name an animal possessing such a dentition.


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.


Write the function of the following in the human alimentary canal:

Bile juice


Fill in the blank.

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


Name the three enzymes found in pancreatic juice.
(i)____ (ii)____ (iii)_____


Write true or false for the below statement. Rewrite the false statements correctly.

The wave-like motion of stomach muscles to push the food is called peristalsis.


Write true or false for the below statement. Rewrite the false statements correctly.

Digestion of food in the intestine takes place in the presence of dilute hydrochloric acid.


Define with examples: Autotrophs


State whether the following statements are True or false: Trypsin coagulates the milk protein.


Describe the following: Digestion of fat in the intestine


Match items in column A with the appropriate items in Column B:

Column A Column B
1 HCl a Lactose
2 Rennin b Pellagra
3 Enteropeptidase c Rumen
4 Cellulose d Pepsin
5 Ptyalin e Starch
6 Vitamin f Pernicious anaemia
7 Intestinal juice g Trypsin
8 Bile salt h Casein
9 Vitamin A i Micelle
10 Goitre j Night-blindness
    k Iodine

Circle the odd one.


Identify the INCORRECT statement.


Digestion of starch begins in the ______.


Observe the diagram of Human digestive system.

Match the labeling referred in column I and correlate with the function in column II.

Column I   Column II
i. a. The length of this depends on food the organism eats.
ii. b. Initial phase of starch digestion
iii. c. Increase the efficiency of lipase enzyme action
iv. d. This is the site of the complete digestion of carbohydrates, proteins and fats.

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