Available Answers

1. 1.

   Tick mark (√) the correct answers in the following

   1. Saliva contains:
      1. Amylase
      2. Pepsin
      3. Lipase
      4. Rennin
   2. Bile is stored in:
      1. Liver
      2. Gall bladder
      3. Duodenum
      4. Salivary glands.
   3. Milk contains:
      1. Glucose
      2. Sucrose
      3. Lactose
      4. Maltose
   4. Deficiency of calciferol causes:
      1. Survey
      2. Rickets
      3. Anaemia
      4. Beri-Beri
   5. Which of the following helps in blood clotting:
      1. Iron
      2. Calcium
      3. Sodium
      4. Iodine
   6. The calorie requirement depends upon:
      1. Age
      2. Sex
      3. Nature of work
      4. All
   7. Incisor teeth are used for:
      1. Cutting
      2. Biting
      3. Both
      4. None
   8. which of the following is not a biocatalyst:
      1. Amylase
      2. Invertase
      3. Enterokinase
      4. Lipase
   9. The part of the gut where bile and pancreatic juice act:
      1. Stomach
      2. Duodenum
      3. Caecum
      4. Rectum
   10. Excess of amino acids in the liver are deaminated to form:
       1. Glucose
       2. Urea
       3. Both
       4. None
2. 2.

   What is digestion?

3. 3.

   Why is digestion necessary?

4. 4.

   What are enzymes?

5. 5.

   Distinguish between the following pairs on the basis of words indicated in the brackets.

   1. Alimentary canal and digestive system (definition)
   2. Small intestine and large intestine (2 points-size and function)
6. 6.

   List the four types of teeth found in humans. State one function of each type:

   Names of teeth	Function
   1. ______________________	_________________
   2. _______________________	__________________
   3. _______________________	___________________
   4. ______________________	___________________