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Science VII A

Mrs. Usha Devi (TGT Bio)

Date of submission: 27 / 6 / 2011



  1. What are villi? What is their location and function?
  2. Where is bile produced? Which component of the food does it help to digest?
  3. Define ingestion and egestion.
  4. Which part of the digestive canal is involved in:
    1. Absorption of food
    1. Chewing of food
    2. Killing of bacteria
    3. Complete digestion of food
    4. Formation of faeces
  1. Write down the following of ORS.  

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