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11. Pencillin is extracted from:
  A.  Yeast
  B.  Fungus
  C.  Algae
  D.  Lichen
     
   
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12. Which is the effect of antigen in an ill person?
  A.  It increases the production of anitibiotics
  B.  It increases th production of WBC
  C.  It increases the production of anti-serum against bacteria
  D.  It prevents the growth of bacteria
     
   
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13. Which among the following helps in circulation of blood?
  A.  Arithrocytus
  B.  Blood platelets
  C.  Monocytes
  D.  Lymphocytes
     
   
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14. Which among the following elements increases the absorption of water and calcium in
  A.  Manganese
  B.  Copper
  C.  Boron
  D.  Moybdenum
     
   
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15. Which wood will become useless soon after exposing in the open air?
  A.  Soft wood
  B.  Wet wood
  C.  Fibrous wood
  D.  Hardwood
     
   
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16. Which among the following is a large spectrum Antibiotic?
  A.  Paracetamol
  B.  Pencillin
  C.  Ampicillin
  D.  Chlormphenicol
     
   
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17. Our bones and teeth are generally made of
  A.  Hydrolith
  B.  Fluropetite
  C.  Choloropetite
  D.  Tricalcium phosphate
     
   
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18. Angora wool is extracted from
  A.  Sheep
  B.  Rabbit
  C.  Fox
  D.  Goat
     
   
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19. Which of the following disease affects women easily than than of men?
  A.  Heart attack
  B.  Hepatitus
  C.  Joint arthritis
  D.  Arthritis
     
   
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20. Pituitary gland is located in
  A.  Liver
  B.  Kidney
  C.  Brain
  D.  Intestine
     
   
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