Study Materials

NCERT Solutions for Class 7th Science

 

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Chapter 2. Nutrition in Animals

Chapter Review

 

 

 

Chapter Review:

  • The saliva breaks down the starch into sugars.
  • The canal can be divided into various compartments: (1) the buccal cavity, (2) foodpipe or oesophagus, (3) stomach, (4) small intestine, (5) large intestine ending in the rectum and (6) the anus.
  • Liver is the largest gland of body system.
  • Salivary gland, liver and pancreas are the main glands of digestive system.
  • The digestive juices break down the proteins into simpler substances.
  • The liver is a reddish brown gland situated in the upper part of the abdomen on the right side.
  • Amoeba is a microscopic single-celled organism found in pond water.
  • Amoeba constantly changes its shape and position.
  • It pushes out one, or more finger-like projections, called pseudopodia or false feet for movement and capture of food.
  • Amino acid is the simplest form of proteins.
  • Carbohydrate is the simplest form of sugar or starch.
  • Fatty acid (lipid) is the simplest form of fats.
  • Food components are mainly absorbed in small intestine.
  • Water is absorbed mainly in large intestine.
  • Stomach releases gasaric juice and acid. 

 

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Chapter Contents: