Available Answers

1. 1.

   Choose the correct answer.

   1. Which of the following is not a part of the small intestine?
      1. Duodenum
      2. Jejunum
      3. Ileum
      4. Caecum
   2. Wisdom teeth consist of
      1. 2 incisors in each jaw
      2. 2 canines in each jaw
      3. 2 molars in each jaw
      4. 2 premolars in each jaw
   3. Salivary amylase acts on starchy food materials and changes it to
      1. glucose
      2. fructose
      3. maltose
      4. galactose
   4. Which of the following conversion takes place in the human stomach?
      1. Protein →^(Pepsin)→ Peptides
      2. Protein →^(Trypsin)→ Peptides
      3. Peptides →^(Erepsin)→ Amino acids
   5. Emulsification of fat occurs in
      1. stomach
      2. small intestine
      3. large intestine
      4. oesophagus
   6. The jaw becomes loose and the teeth fall out in
      1. gingivitis
      2. peristalsis
      3. periodontitis
      4. all of these
   7. The teeth that appears only once in the lifetime of a person are
      1. incisors
      2. canines
      3. permolars
      4. molars
   8. Which of the following animals has homodont teeth?
      1. Cow
      2. Dog
      3. Horse
      4. Frog
   9. Which of the following respires anaerobically?
      1. Yeast
      2. Earthworm
      3. Fish
      4. Frog
   10. Which of these are made of cartilaginous rings?
       1. Trachea, bronchi
       2. Nose, pharynx
       3. Pharynx, larynx
       4. Epiglottis, bronchi
2. 2.

   Name the following:

   1. The hardest substance in our body
   2. The grinding teeth
   3. The enzyme present in saliva
   4. The acid present in the stomach
   5. The last part of the alimentary canal
   6. The number of deciduous teeth in humans
   7. The constitution between crown and root
   8. The sticky substance that forms on the tooth
   9. The first part of the small intestine
   10. A vestigial organ in the human body
   11. The end product of fat digestion
   12. The largest gland in the human body
   13. The stage of respiration that occurs in the cytoplasm
   14. The membrane covering the lungs
   15. The muscular partition between the thoracic and abdominal cavity 
3. 3.

   State whether the following statements are True (T) or False (F). if false, correct them by changing only one word:

   1. Bile is produced by gall bladder.
   2. The end product of proteins digestion is glucose.
   3. Pepsin is activated by hydrochloric acid.
   4. Gap in the teeth of herbivores is called diastema.
   5. There are three pairs of salivary glands.
   6. The paste of food that is formed in the stomach is bolus.
   7. Incisors have a single root.
   8. The intestine contains taste buds.
   9. The top white portion of the teeth is dentine.
   10. Boiled rice contains proteins.
   11. ATP is called the energy currency of the cell.
   12. Expired air contains about 0.4 % of the cell.
   13. Respiration is a catabolic process. 
4. 4.

   Name the types of teeth found in man. State their functions.

5. 5.

   State two characteristics of enzymes.

6. 6.

   What role does the teeth play in the digestion of food?