मराठी

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

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प्रश्न

Which part of the digestive canal is involved in:

Killing of bacteria ______.

रिकाम्या जागा भरा
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उत्तर

Killing of bacteria stomach.

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

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

संबंधित प्रश्‍न

What causes movement of food inside the alimentary canal?


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


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`

State the total number of teeth present in the dentition. 


Answer the following question.
Write two different ways in which glucose is oxidized to provide energy in the human body. Write the products formed in each case.


Put a tick (✓) against the most appropriate alternative in the following statement.

The hardest substance in your body?


How is the small intestine best suited for the digestion and absorption of food?


State the four ways in which saliva is useful to us.


Fill in the blanks.

Pepsin acts on ________ to change them into _______ and __________.


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

Absorption of food takes place in small intestine


Name different steps involved in animal nutrition. Explain.


Correct the spellings: Pespin


Circle the odd one.


Circle the odd one.


The passage of food into the stomach is controlled by the ______.


Digestion of starch begins in the ______.


What are the compounds present in the food?


In which of the following groups of organisms, food material is broken down outside the body and absorbed? 


Fill in the blanks using the words listed below.

water, front, intestinal, salts, pseudopodia, back, vacuole
  1. The digestion of all food components is completed by the ______ juice.
  2. Large intestine absorbs ______ and some ______ from the undigested food.
  3. Tongue is attached at the ______ to the floor of the mouth cavity and is free at the ______.
  4. Amoeba pushes out ______ around the food and traps it in a food ______.

The complete digestion and absorption of nutrients is done by the small intestine. Which of the following greatly enhances the process of absorbtion?


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