Available Answers

1. 1.

   Tick (√) the correct options:

   1. The process of nutrition in animals has ___________ main steps.
      1. three 
      2. four
      3. five
      4. six
   2. The process by which the food is taken inside the body is called ____________.
      1. assimilation
      2. absorption
      3. digestion
      4. ingestion
2. 2.

   Tick (√) the correct options:

   1. Bile juice helps in the digestion of ____________.
      1. carbohydrates
      2. proteins
      3. fats
      4. minerals
   2. The carbohydrates get broken down into ____________.
      1. glucose
      2. starch
      3. fats
      4. sucrose
3. 3.

   Tick the correct options:

   1. Which of the following is not a type of teeth?
      1. incisor
      2. canine
      3. anus
      4. molar
   2. The process of absorption occurs in ____________ .
      1. small intestine 
      2. large intestine
      3. stomach
      4. pancreas
   3. Bile juice is stored in ____________ .
      1. pancreas
      2. gall bladder
      3. liver
      4. stomach
   4. Compound stomach is found in ___________ .
      1. humans
      2. Amoeba
      3. ruminants
      4. rat
   5. Permanent teeth are  _____________ in number.
      1. 32
      2. 34
      3. 20
      4. 22
   6. When a few drops of iodine solution are added to a boiled potato, it turns____________.
      1. Green
      2. yellow
      3. blue
      4. blue-black
   7. Food poisoning or indigestion results in ______________ .
      1. constipation
      2. stomach ulcers
      3. diarrhoea
      4. skin disease
   8. Proboscis is present in ______________ .
      1. insects
      2. humans
      3. ruminants
      4. bacteria 
4. 4.

   Fill in the blanks:

   1. The mucus protects the inner lining of the  ________________.
   2. The inner wall of the small interesting has folds called _____________.
   3. The saliva contains an enzyme, _______________, that breaks down the starch.
   4. The process in which the undigested food is removed from the body is called  ______________.
   5. The tongue pushes the chewed food into a short muscular tube called the ____________.
   6. The proteins get broken into _______________.
   7. The ________________ is the longest part of the alimentary canal.
   8. Constipation and stomach ulcers are ______________ disorders.
5. 5.

   Match the following:

   Column A	Column B
   1. Liver	a. cilia
   2. Large intestine	b. pseudopodia
   3. Paramecium	c. bile juice secretion
   4. Amoeba	d. tearing teeth
   5. Canines	e. absorption of water

    

6. 6.

   Name two different tastes that can be detected by our tongue.